Sometimes no ipv4, but only ipv6

Hello Everybody

I'm happy to be a new Person in this community.
I've discovered pi-hole a few weeks ago, and I'm amazed about all the possibilities that come along with it. I struggled to set it up, and I'm glad it was possible for me to set it up. Unfortunately, I get some random problems with it. From time to time it doesn't give my Mac a normal ipv4 address, but instead only a ipv6. Does anybody knows how this happens?

My debug log is below.

This process collects information from your Pi-hole, and optionally uploads it to a unique and random directory on tricorder.pi-hole.net.

The intent of this script is to allow users to self-diagnose their installations.  This is accomplished by running tests against our software and providing the user with links to FAQ articles when a problem is detected.  Since we are a small team and Pi-hole has been growing steadily, it is our hope that this will help us spend more time on development.

NOTE: All log files auto-delete after 48 hours and ONLY the Pi-hole developers can access your data via the given token. We have taken these extra steps to secure your data and will work to further reduce any personal information gathered.

*** [ INITIALIZING ]
[i] 2021-07-16:12:36:14 debug log has been initialized.

*** [ INITIALIZING ] Sourcing setup variables
[i] Sourcing /etc/pihole/setupVars.conf...

*** [ DIAGNOSING ]: Core version
[i] Core: v5.3.1 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Remotes: origin	https://github.com/pi-hole/pi-hole.git (fetch)
             origin	https://github.com/pi-hole/pi-hole.git (push)
[i] Branch: master
[i] Commit: v5.3.1-0-g4736e03

*** [ DIAGNOSING ]: Web version
[i] Web: v5.5 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Remotes: origin	https://github.com/pi-hole/AdminLTE.git (fetch)
             origin	https://github.com/pi-hole/AdminLTE.git (push)
[i] Branch: master
[i] Commit: v5.5-0-g7e602e0

*** [ DIAGNOSING ]: FTL version
[✓] FTL: v5.8.1

*** [ DIAGNOSING ]: lighttpd version
[i] 1.4.53

*** [ DIAGNOSING ]: php version
[i] 7.3.27

*** [ DIAGNOSING ]: Operating system
[i] dig return code:  0
[i] dig response:  "Raspbian=9,10 Ubuntu=16,18,20 Debian=9,10 Fedora=32,33 CentOS=7,8"
[✓] Distro:  Raspbian
[✓] Version: 10

*** [ DIAGNOSING ]: SELinux
[i] SELinux not detected

*** [ DIAGNOSING ]: FirewallD
[i] Firewalld service inactive

*** [ DIAGNOSING ]: Processor
[✓] armv7l

*** [ DIAGNOSING ]: Networking
[✓] IPv4 address(es) bound to the wlan0 interface:
   192.168.1.250/24 matches the IP found in /etc/pihole/setupVars.conf

[✓] IPv6 address(es) bound to the wlan0 interface:
   2a04:ee41:80:d292:e2e2:3d97:824c:f604 matches the IP found in /etc/pihole/setupVars.conf
   fe80::4368:5c77:5fc7:53a does not match the IP found in /etc/pihole/setupVars.conf (https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127)

   ^ Please note that you may have more than one IP address listed.
   As long as one of them is green, and it matches what is in /etc/pihole/setupVars.conf, there is no need for concern.

   The link to the FAQ is for an issue that sometimes occurs when the IPv6 address changes, which is why we check for it.

[i] Default IPv4 gateway: 192.168.1.1
   * Pinging 192.168.1.1...
[✓] Gateway responded.
[i] Default IPv6 gateway: fe80::4e1b:86ff:fe91:34d1
   * Pinging fe80::4e1b:86ff:fe91:34d1...
[✓] Gateway responded.

*** [ DIAGNOSING ]: Ports in use
*:22 sshd (IPv4)
*:22 sshd (IPv6)
[80] is in use by lighttpd
[80] is in use by lighttpd
[::1]:631 cupsd (IPv6)
127.0.0.1:631 cupsd (IPv4)
[53] is in use by pihole-FTL
[53] is in use by pihole-FTL
[4711] is in use by pihole-FTL
[4711] is in use by pihole-FTL

*** [ DIAGNOSING ]: Name resolution (IPv4) using a random blocked domain and a known ad-serving domain
[✓] sv-static-lottery.headlines.pw is 0.0.0.0 via localhost (127.0.0.1)
[✓] sv-static-lottery.headlines.pw is 0.0.0.0 via Pi-hole (192.168.1.250)
[✓] doubleclick.com is 216.58.215.238 via a remote, public DNS server (8.8.8.8)

*** [ DIAGNOSING ]: Name resolution (IPv6) using a random blocked domain and a known ad-serving domain
[✓] www.33-trk-srv.com is :: via localhost (::1)
[✓] www.33-trk-srv.com is :: via Pi-hole (2a04:ee41:80:d292:e2e2:3d97:824c:f604)
[✓] doubleclick.com is 2a00:1450:400a:801::200e via a remote, public DNS server (2001:4860:4860::8888)

*** [ DIAGNOSING ]: Discovering active DHCP servers (takes 10 seconds)
   Scanning all your interfaces for DHCP servers
   Timeout: 10 seconds
   
   * Received 300 bytes from wlan0:192.168.1.250
     Offered IP address: 192.168.1.31
     Server IP address: 192.168.1.250
     Relay-agent IP address: N/A
     BOOTP server: (empty)
     BOOTP file: (empty)
     DHCP options:
      Message type: DHCPOFFER (2)
      server-identifier: 192.168.1.250
      lease-time: 180000 ( 2d 2h )
      renewal-time: 90000 ( 1d 1h )
      rebinding-time: 157500 ( 1d 19h 45m )
      netmask: 255.255.255.0
      broadcast: 192.168.1.255
      dns-server: 192.168.1.250
      domain-name: "lan"
      router: 192.168.1.1
      --- end of options ---
    
   DHCP packets received on interface wlan0: 1
   DHCP packets received on interface lo: 0

*** [ DIAGNOSING ]: Pi-hole processes
[✓] lighttpd daemon is active
[✓] pihole-FTL daemon is active

*** [ DIAGNOSING ]: Pi-hole-FTL full status
   ● pihole-FTL.service - LSB: pihole-FTL daemon
   Loaded: loaded (/etc/init.d/pihole-FTL; generated)
   Active: active (exited) since Fri 2021-07-16 12:24:04 BST; 12min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 22705 ExecStart=/etc/init.d/pihole-FTL start (code=exited, status=0/SUCCESS)

Jul 16 12:24:02 c5-hole systemd[1]: Starting LSB: pihole-FTL daemon...
Jul 16 12:24:02 c5-hole pihole-FTL[22705]: Not running
Jul 16 12:24:02 c5-hole su[22723]: (to pihole) root on none
Jul 16 12:24:02 c5-hole su[22723]: pam_unix(su:session): session opened for user pihole by (uid=0)
Jul 16 12:24:04 c5-hole pihole-FTL[22705]: FTL started!
Jul 16 12:24:04 c5-hole systemd[1]: Started LSB: pihole-FTL daemon.

*** [ DIAGNOSING ]: Setup variables
    PIHOLE_INTERFACE=wlan0
    IPV4_ADDRESS=192.168.1.250/24
    IPV6_ADDRESS=2a04:ee41:80:d292:e2e2:3d97:824c:f604
    QUERY_LOGGING=true
    INSTALL_WEB_SERVER=true
    INSTALL_WEB_INTERFACE=true
    LIGHTTPD_ENABLED=true
    CACHE_SIZE=10000
    BLOCKING_ENABLED=true
    DNSMASQ_LISTENING=single
    PIHOLE_DNS_1=1.1.1.1
    PIHOLE_DNS_2=1.0.0.1
    PIHOLE_DNS_3=2606:4700:4700::1111
    PIHOLE_DNS_4=2606:4700:4700::1001
    DNS_FQDN_REQUIRED=true
    DNS_BOGUS_PRIV=true
    DNSSEC=false
    REV_SERVER=false
    DHCP_ACTIVE=true
    DHCP_START=192.168.1.2
    DHCP_END=192.168.1.251
    DHCP_ROUTER=192.168.1.1
    DHCP_LEASETIME=50
    PIHOLE_DOMAIN=lan
    DHCP_IPv6=true
    DHCP_rapid_commit=false

*** [ DIAGNOSING ]: Dashboard and block page
[✗] Block page X-Header: X-Header does not match or could not be retrieved.
HTTP/1.1 200 OK
Content-type: text/html; charset=UTF-8
Expires: Fri, 16 Jul 2021 11:36:34 GMT
Cache-Control: max-age=0
Date: Fri, 16 Jul 2021 11:36:34 GMT
Server: lighttpd/1.4.53

[✓] Web interface X-Header: X-Pi-hole: The Pi-hole Web interface is working!

*** [ DIAGNOSING ]: Gravity List and Database
-rw-rw-r-- 1 pihole pihole 4837376 Jul 15 15:31 /etc/pihole/gravity.db

*** [ DIAGNOSING ]: Info table
   property              value                                   
   --------------------  ----------------------------------------
   version               14                                      
   updated               1625973187                              
   gravity_count         81745                                   
   Last gravity run finished at: Sun Jul 11 04:13:07 BST 2021

   ----- First 10 Gravity Domains -----
   localhost.localdomain
   wizhumpgyros.com
   coccyxwickimp.com
   n2019cov.000webhostapp.com
   webmail-who-int.000webhostapp.com
   010sec.com
   01mspmd5yalky8.com
   0byv9mgbn0.com
   ns6.0pendns.org
   dns.0pengl.com


*** [ DIAGNOSING ]: Groups
   id    enabled  name                                                date_added           date_modified        description                                       
   ----  -------  --------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   0           1  Default                                             2021-06-18 13:29:19  2021-06-18 13:29:19  The default group                                 
   1           1  test                                                2021-07-15 15:30:23  2021-07-15 15:31:38                                                    

*** [ DIAGNOSING ]: Domainlist (0/1 = exact white-/blacklist, 2/3 = regex white-/blacklist)
   id    type  enabled  group_ids     domain                                                                                                date_added           date_modified        comment                                           
   ----  ----  -------  ------------  ----------------------------------------------------------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   1      1       0     0             googleadservices.com                                                                                  2021-06-21 17:57:43  2021-06-21 17:59:36                                                    

*** [ DIAGNOSING ]: Clients
   id    group_ids     ip                                                                                                    date_added           date_modified        comment                                           
   ----  ------------  ----------------------------------------------------------------------------------------------------  -------------------  -------------------  --------------------------------------------------
                                              
*** [ DIAGNOSING ]: Adlists
   id    enabled  group_ids     address                                                                                               date_added           date_modified        comment                                           
   ----  -------  ------------  ----------------------------------------------------------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   1           1  0             https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts                                      2021-06-18 13:29:19  2021-06-18 13:29:19  Migrated from /etc/pihole/adlists.list            

*** [ DIAGNOSING ]: contents of /etc/pihole

-rw-r--r-- 1 root root 136 Jul 11 04:13 /etc/pihole/local.list
   192.168.1.250 c5-hole
   2a04:ee41:80:d292:e2e2:3d97:824c:f604 c5-hole
   192.168.1.250 pi.hole
   2a04:ee41:80:d292:e2e2:3d97:824c:f604 pi.hole

-rw-r--r-- 1 root root 234 Jun 18 13:29 /etc/pihole/logrotate
   /var/log/pihole.log {
   	su root root
   	daily
   	copytruncate
   	rotate 5
   	compress
   	delaycompress
   	notifempty
   	nomail
   }
   /var/log/pihole-FTL.log {
   	su root root
   	weekly
   	copytruncate
   	rotate 3
   	compress
   	delaycompress
   	notifempty
   	nomail
   }

-rw-rw-r-- 1 pihole root 15 Jun 18 13:29 /etc/pihole/pihole-FTL.conf
   PRIVACYLEVEL=0

*** [ DIAGNOSING ]: contents of /etc/dnsmasq.d

-rw-r--r-- 1 root root 1605 Jul 16 12:24 /etc/dnsmasq.d/01-pihole.conf
   addn-hosts=/etc/pihole/local.list
   addn-hosts=/etc/pihole/custom.list
   localise-queries
   no-resolv
   cache-size=10000
   log-queries
   log-facility=/var/log/pihole.log
   local-ttl=2
   log-async
   server=1.1.1.1
   server=1.0.0.1
   server=2606:4700:4700::1111
   server=2606:4700:4700::1001
   domain-needed
   expand-hosts
   bogus-priv
   interface=wlan0
   server=/use-application-dns.net/
   dhcp-name-match=set:hostname-ignore,wpad
   dhcp-name-match=set:hostname-ignore,localhost
   dhcp-ignore-names=tag:hostname-ignore

-rw-r--r-- 1 root root 629 Jul 16 12:24 /etc/dnsmasq.d/02-pihole-dhcp.conf
   dhcp-authoritative
   dhcp-range=192.168.1.2,192.168.1.251,50h
   dhcp-option=option:router,192.168.1.1
   dhcp-leasefile=/etc/pihole/dhcp.leases
   domain=lan
   local=/lan/
   dhcp-option=option6:dns-server,[::]
   dhcp-range=::100,::1ff,constructor:wlan0,ra-names,slaac,50h
   ra-param=*,0,0

*** [ DIAGNOSING ]: contents of /etc/lighttpd

-rw-r--r-- 1 root root 0 Jun 18 13:28 /etc/lighttpd/external.conf

-rw-r--r-- 1 root root 4066 Jun 18 13:28 /etc/lighttpd/lighttpd.conf
   server.modules = (
       "mod_access",
       "mod_accesslog",
       "mod_auth",
       "mod_expire",
       "mod_compress",
       "mod_redirect",
       "mod_setenv",
       "mod_rewrite"
   )
   server.document-root        = "/var/www/html"
   server.error-handler-404    = "/pihole/index.php"
   server.upload-dirs          = ( "/var/cache/lighttpd/uploads" )
   server.errorlog             = "/var/log/lighttpd/error.log"
   server.pid-file             = "/run/lighttpd.pid"
   server.username             = "www-data"
   server.groupname            = "www-data"
   server.port                 = 80
   accesslog.filename          = "/var/log/lighttpd/access.log"
   accesslog.format            = "%{%s}t|%V|%r|%s|%b"
   index-file.names            = ( "index.php", "index.html", "index.lighttpd.html" )
   url.access-deny             = ( "~", ".inc", ".md", ".yml", ".ini" )
   static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )
   compress.cache-dir = "/var/cache/lighttpd/compress/"
   compress.filetype  = (
       "application/json",
       "application/vnd.ms-fontobject",
       "application/xml",
       "font/eot",
       "font/opentype",
       "font/otf",
       "font/ttf",
       "image/bmp",
       "image/svg+xml",
       "image/vnd.microsoft.icon",
       "image/x-icon",
       "text/css",
       "text/html",
       "text/javascript",
       "text/plain",
       "text/xml"
   )
   mimetype.assign = (
       ".ico"   => "image/x-icon",
       ".jpeg"  => "image/jpeg",
       ".jpg"   => "image/jpeg",
       ".png"   => "image/png",
       ".svg"   => "image/svg+xml",
       ".css"   => "text/css; charset=utf-8",
       ".html"  => "text/html; charset=utf-8",
       ".js"    => "text/javascript; charset=utf-8",
       ".json"  => "application/json; charset=utf-8",
       ".map"   => "application/json; charset=utf-8",
       ".txt"   => "text/plain; charset=utf-8",
       ".eot"   => "application/vnd.ms-fontobject",
       ".otf"   => "font/otf",
       ".ttc"   => "font/collection",
       ".ttf"   => "font/ttf",
       ".woff"  => "font/woff",
       ".woff2" => "font/woff2"
   )
   include_shell "cat external.conf 2>/dev/null"
   include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
   include_shell "find /etc/lighttpd/conf-enabled -name '*.conf' -a ! -name 'letsencrypt.conf' -printf 'include \"%p\"
' 2>/dev/null"
   $HTTP["url"] =~ "^/admin/" {
       setenv.add-response-header = (
           "X-Pi-hole" => "The Pi-hole Web interface is working!",
           "X-Frame-Options" => "DENY"
       )
       $HTTP["url"] =~ "\.(eot|otf|tt[cf]|woff2?)$" {
           setenv.add-response-header = ( "Access-Control-Allow-Origin" => "*" )
       }
   }
   $HTTP["url"] =~ "^/admin/\.(.*)" {
       url.access-deny = ("")
   }
   expire.url = ( "" => "access plus 0 seconds" )

*** [ DIAGNOSING ]: contents of /etc/cron.d

-rw-r--r-- 1 root root 1755 Jun 18 13:29 /etc/cron.d/pihole
   13 4   * * 7   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updateGravity >/var/log/pihole_updateGravity.log || cat /var/log/pihole_updateGravity.log
   00 00   * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole flush once quiet
   @reboot root /usr/sbin/logrotate /etc/pihole/logrotate
   */10 *  * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker local
   44 16  * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker remote
   @reboot root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker remote reboot

*** [ DIAGNOSING ]: contents of /var/log/lighttpd

-rw-r--r-- 1 www-data www-data 788 Jul 15 14:17 /var/log/lighttpd/error.log
   -----head of error.log------
   2021-07-11 00:00:08: (server.c.1759) logfiles cycled UID = 0 PID = 27698 
   2021-07-14 12:38:19: (server.c.2059) server stopped by UID = 0 PID = 1 
   2021-07-14 12:38:28: (server.c.1464) server started (lighttpd/1.4.53) 
   2021-07-14 12:38:28: (server.c.1493) WARNING: unknown config-key: alias.url (ignored) 
   2021-07-14 12:39:09: (mod_fastcgi.c.421) FastCGI-stderr: PHP Notice:  Undefined offset: 1 in /var/www/html/admin/scripts/pi-hole/php/update_checker.php on line 57
   2021-07-14 12:39:09: (mod_fastcgi.c.421) FastCGI-stderr: PHP Notice:  Undefined offset: 2 in /var/www/html/admin/scripts/pi-hole/php/update_checker.php on line 58
   2021-07-15 14:17:07: (server.c.1464) server started (lighttpd/1.4.53) 
   2021-07-15 14:17:07: (server.c.1493) WARNING: unknown config-key: alias.url (ignored) 

   -----tail of error.log------
   2021-07-11 00:00:08: (server.c.1759) logfiles cycled UID = 0 PID = 27698 
   2021-07-14 12:38:19: (server.c.2059) server stopped by UID = 0 PID = 1 
   2021-07-14 12:38:28: (server.c.1464) server started (lighttpd/1.4.53) 
   2021-07-14 12:38:28: (server.c.1493) WARNING: unknown config-key: alias.url (ignored) 
   2021-07-14 12:39:09: (mod_fastcgi.c.421) FastCGI-stderr: PHP Notice:  Undefined offset: 1 in /var/www/html/admin/scripts/pi-hole/php/update_checker.php on line 57
   2021-07-14 12:39:09: (mod_fastcgi.c.421) FastCGI-stderr: PHP Notice:  Undefined offset: 2 in /var/www/html/admin/scripts/pi-hole/php/update_checker.php on line 58
   2021-07-15 14:17:07: (server.c.1464) server started (lighttpd/1.4.53) 
   2021-07-15 14:17:07: (server.c.1493) WARNING: unknown config-key: alias.url (ignored) 

*** [ DIAGNOSING ]: contents of /var/log

-rw-r--r-- 1 pihole pihole 12337 Jul 16 12:24 /var/log/pihole-FTL.log
   -----head of pihole-FTL.log------
   [2021-07-16 00:17:56.041 1520M] Resizing "FTL-dns-cache" from 77824 to (5120 * 16) == 81920 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:18:21.572 1520M] Resizing "FTL-dns-cache" from 81920 to (5376 * 16) == 86016 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:20:43.851 1520M] Resizing "FTL-dns-cache" from 86016 to (5632 * 16) == 90112 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:21:31.995 1520M] Resizing "FTL-dns-cache" from 90112 to (5888 * 16) == 94208 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:23:33.340 1520M] Resizing "FTL-domains" from 45056 to (3072 * 16) == 49152 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:24:14.843 1520M] Resizing "FTL-dns-cache" from 94208 to (6144 * 16) == 98304 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:47:27.275 1520M] Resizing "FTL-dns-cache" from 98304 to (6400 * 16) == 102400 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:55:49.276 1520M] Resizing "FTL-strings" from 122880 to (163840 * 1) == 163840 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 00:56:46.298 1520M] Resizing "FTL-dns-cache" from 102400 to (6656 * 16) == 106496 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 01:10:49.360 1520M] Resizing "FTL-dns-cache" from 106496 to (6912 * 16) == 110592 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 07:38:55.350 1520M] Resizing "FTL-dns-cache" from 110592 to (7168 * 16) == 114688 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 07:40:52.923 1520M] Resizing "FTL-dns-cache" from 114688 to (7424 * 16) == 118784 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 07:51:04.700 1520M] Resizing "FTL-domains" from 49152 to (3328 * 16) == 53248 (/dev/shm: 2.4MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 07:56:50.248 1520M] Resizing "FTL-dns-cache" from 118784 to (7680 * 16) == 122880 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 08:35:02.576 1520M] Resizing "FTL-dns-cache" from 122880 to (7936 * 16) == 126976 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 09:06:26.857 1520M] Resizing "FTL-dns-cache" from 126976 to (8192 * 16) == 131072 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.4MB)
   [2021-07-16 09:27:31.668 1520M] Resizing "FTL-dns-cache" from 131072 to (8448 * 16) == 135168 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:04:41.489 1520M] Resizing "FTL-dns-cache" from 135168 to (8704 * 16) == 139264 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:17:24.059 1520M] Resizing "FTL-dns-cache" from 139264 to (8960 * 16) == 143360 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:23:17.283 1520M] Resizing "FTL-dns-cache" from 143360 to (9216 * 16) == 147456 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:29:36.161 1520M] Resizing "FTL-dns-cache" from 147456 to (9472 * 16) == 151552 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:30:02.743 1520M] Resizing "FTL-domains" from 53248 to (3584 * 16) == 57344 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:41:31.928 1520M] Resizing "FTL-dns-cache" from 151552 to (9728 * 16) == 155648 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 10:48:25.094 1520M] Resizing "FTL-dns-cache" from 155648 to (9984 * 16) == 159744 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 11:36:51.165 1520M] Resizing "FTL-dns-cache" from 159744 to (10240 * 16) == 163840 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 11:41:04.399 1520M] Resizing "FTL-queries" from 1376256 to (28672 * 56) == 1605632 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 11:50:48.664 1520M] Resizing "FTL-dns-cache" from 163840 to (10496 * 16) == 167936 (/dev/shm: 2.7MB used, 224.9MB total, FTL uses 2.7MB)
   [2021-07-16 11:57:02.281 1520M] Resizing "FTL-dns-cache" from 167936 to (10752 * 16) == 172032 (/dev/shm: 2.7MB used, 224.9MB total, FTL uses 2.7MB)
   [2021-07-16 12:06:31.056 1520M] Resizing "FTL-dns-cache" from 172032 to (11008 * 16) == 176128 (/dev/shm: 2.7MB used, 224.9MB total, FTL uses 2.7MB)
   [2021-07-16 12:24:00.423 1520M] Shutting down...
   [2021-07-16 12:24:01.675 1520M] Finished final database update
   [2021-07-16 12:24:01.675 1520M] Waiting for threads to join
   [2021-07-16 12:24:01.675 1520M] Thread telnet-IPv4 (0) is idle, terminating it.
   [2021-07-16 12:24:01.675 1520M] Thread telnet-IPv6 (1) is idle, terminating it.
   [2021-07-16 12:24:01.675 1520M] Thread telnet-socket (2) is idle, terminating it.

   -----tail of pihole-FTL.log------
   [2021-07-16 12:24:03.051 22725M] New upstream server: 2606:4700:4700::1001:53 (1/1024)
   [2021-07-16 12:24:03.061 22725M] New upstream server: 2606:4700:4700::1111:53 (2/1024)
   [2021-07-16 12:24:03.067 22725M] New upstream server: 1.0.0.1:53 (3/1024)
   [2021-07-16 12:24:03.121 22725M] Resizing "FTL-domains" from 4096 to (512 * 16) == 8192 (/dev/shm: 1.1MB used, 224.9MB total, FTL uses 1.0MB)
   [2021-07-16 12:24:03.216 22725M] Resizing "FTL-domains" from 8192 to (768 * 16) == 12288 (/dev/shm: 1.1MB used, 224.9MB total, FTL uses 1.1MB)
   [2021-07-16 12:24:03.279 22725M] Resizing "FTL-queries" from 229376 to (8192 * 56) == 458752 (/dev/shm: 1.1MB used, 224.9MB total, FTL uses 1.1MB)
   [2021-07-16 12:24:03.470 22725M] Resizing "FTL-domains" from 12288 to (1024 * 16) == 16384 (/dev/shm: 1.3MB used, 224.9MB total, FTL uses 1.3MB)
   [2021-07-16 12:24:03.582 22725M] Resizing "FTL-queries" from 458752 to (12288 * 56) == 688128 (/dev/shm: 1.3MB used, 224.9MB total, FTL uses 1.3MB)
   [2021-07-16 12:24:03.817 22725M] Resizing "FTL-domains" from 16384 to (1280 * 16) == 20480 (/dev/shm: 1.5MB used, 224.9MB total, FTL uses 1.5MB)
   [2021-07-16 12:24:03.895 22725M] Resizing "FTL-queries" from 688128 to (16384 * 56) == 917504 (/dev/shm: 1.5MB used, 224.9MB total, FTL uses 1.5MB)
   [2021-07-16 12:24:04.102 22725M] Resizing "FTL-domains" from 20480 to (1536 * 16) == 24576 (/dev/shm: 1.8MB used, 224.9MB total, FTL uses 1.8MB)
   [2021-07-16 12:24:04.255 22725M] Resizing "FTL-queries" from 917504 to (20480 * 56) == 1146880 (/dev/shm: 1.8MB used, 224.9MB total, FTL uses 1.8MB)
   [2021-07-16 12:24:04.566 22725M] Resizing "FTL-domains" from 24576 to (1792 * 16) == 28672 (/dev/shm: 2.0MB used, 224.9MB total, FTL uses 2.0MB)
   [2021-07-16 12:24:04.624 22725M] Resizing "FTL-queries" from 1146880 to (24576 * 56) == 1376256 (/dev/shm: 2.0MB used, 224.9MB total, FTL uses 2.0MB)
   [2021-07-16 12:24:04.700 22725M] Resizing "FTL-strings" from 81920 to (122880 * 1) == 122880 (/dev/shm: 2.2MB used, 224.9MB total, FTL uses 2.2MB)
   [2021-07-16 12:24:04.850 22725M] Resizing "FTL-queries" from 1376256 to (28672 * 56) == 1605632 (/dev/shm: 2.3MB used, 224.9MB total, FTL uses 2.3MB)
   [2021-07-16 12:24:04.923 22725M] Resizing "FTL-domains" from 28672 to (2048 * 16) == 32768 (/dev/shm: 2.5MB used, 224.9MB total, FTL uses 2.5MB)
   [2021-07-16 12:24:04.957 22725M] Imported 26699 queries from the long-term database
   [2021-07-16 12:24:04.958 22725M]  -> Total DNS queries: 26699
   [2021-07-16 12:24:04.958 22725M]  -> Cached DNS queries: 9379
   [2021-07-16 12:24:04.958 22725M]  -> Forwarded DNS queries: 14339
   [2021-07-16 12:24:04.958 22725M]  -> Blocked DNS queries: 2297
   [2021-07-16 12:24:04.958 22725M]  -> Unknown DNS queries: 4
   [2021-07-16 12:24:04.958 22725M]  -> Unique domains: 1805
   [2021-07-16 12:24:04.958 22725M]  -> Unique clients: 59
   [2021-07-16 12:24:04.958 22725M]  -> Known forward destinations: 4
   [2021-07-16 12:24:04.958 22725M] Successfully accessed setupVars.conf
   [2021-07-16 12:24:04.965 22727M] PID of FTL process: 22727
   [2021-07-16 12:24:04.966 22727/T22728] Listening on port 4711 for incoming IPv4 telnet connections
   [2021-07-16 12:24:04.966 22727M] INFO: FTL is running as user pihole (UID 999)
   [2021-07-16 12:24:04.967 22727/T22730] Listening on Unix socket
   [2021-07-16 12:24:04.968 22727/T22729] Listening on port 4711 for incoming IPv6 telnet connections
   [2021-07-16 12:24:04.969 22727M] Reloading DNS cache
   [2021-07-16 12:24:04.969 22727M] Blocking status is enabled
   [2021-07-16 12:24:06.015 22727/T22731] Compiled 0 whitelist and 0 blacklist regex filters for 59 clients in 2.3 msec

*** [ DIAGNOSING ]: contents of /dev/shm
-rw------- 1 pihole pihole 684032 Jul 16 12:36 /dev/shm/FTL-clients
-rw------- 1 pihole pihole 224 Jul 16 12:24 /dev/shm/FTL-counters
-rw------- 1 pihole pihole 4096 Jul 16 12:24 /dev/shm/FTL-dns-cache
-rw------- 1 pihole pihole 32768 Jul 16 12:24 /dev/shm/FTL-domains
-rw------- 1 pihole pihole 28 Jul 16 12:24 /dev/shm/FTL-lock
-rw------- 1 pihole pihole 12288 Jul 16 12:24 /dev/shm/FTL-overTime
-rw------- 1 pihole pihole 4096 Jul 16 12:24 /dev/shm/FTL-per-client-regex
-rw------- 1 pihole pihole 1605632 Jul 16 12:31 /dev/shm/FTL-queries
-rw------- 1 pihole pihole 12 Jul 16 12:24 /dev/shm/FTL-settings
-rw------- 1 pihole pihole 122880 Jul 16 12:24 /dev/shm/FTL-strings
-rw------- 1 pihole pihole 28672 Jul 16 12:24 /dev/shm/FTL-upstreams

*** [ DIAGNOSING ]: Pi-hole diagnosis messages

*** [ DIAGNOSING ]: Locale
    LANG=

*** [ DIAGNOSING ]: Pi-hole log
-rw-r--r-- 1 pihole pihole 5351966 Jul 16 12:36 /var/log/pihole.log
   -----head of pihole.log------
   Jul 16 00:00:08 dnsmasq[1520]: query[A] hawkbit.devolo.net from 192.168.1.4
   Jul 16 00:00:08 dnsmasq[1520]: forwarded hawkbit.devolo.net to 2606:4700:4700::1001
   Jul 16 00:00:08 dnsmasq[1520]: query[AAAA] hawkbit.devolo.net from 192.168.1.4
   Jul 16 00:00:08 dnsmasq[1520]: forwarded hawkbit.devolo.net to 2606:4700:4700::1001
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit.devolo.net is <CNAME>
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit-prod-hawkbit-alb-480331591.eu-central-1.elb.amazonaws.com is NODATA-IPv6
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit.devolo.net is <CNAME>
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit-prod-hawkbit-alb-480331591.eu-central-1.elb.amazonaws.com is 3.67.24.54
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit-prod-hawkbit-alb-480331591.eu-central-1.elb.amazonaws.com is 18.184.159.183
   Jul 16 00:00:08 dnsmasq[1520]: reply hawkbit-prod-hawkbit-alb-480331591.eu-central-1.elb.amazonaws.com is 35.157.196.175
   Jul 16 00:00:47 dnsmasq[1520]: query[A] cu.bwc.brother.com from 192.168.1.10
   Jul 16 00:00:47 dnsmasq[1520]: cached cu.bwc.brother.com is <CNAME>
   Jul 16 00:00:47 dnsmasq[1520]: forwarded cu.bwc.brother.com to 2606:4700:4700::1001
   Jul 16 00:00:47 dnsmasq[1520]: reply cu.bwc.brother.com is <CNAME>
   Jul 16 00:00:47 dnsmasq[1520]: reply cu.bwc.brother.com.s3.amazonaws.com is <CNAME>
   Jul 16 00:00:47 dnsmasq[1520]: reply s3-us-west-1-w.amazonaws.com is 52.219.121.2
   Jul 16 00:01:48 dnsmasq[1520]: query[A] cu.bwc.brother.com from 192.168.1.10
   Jul 16 00:01:48 dnsmasq[1520]: cached cu.bwc.brother.com is <CNAME>
   Jul 16 00:01:48 dnsmasq[1520]: cached cu.bwc.brother.com.s3.amazonaws.com is <CNAME>
   Jul 16 00:01:48 dnsmasq[1520]: forwarded cu.bwc.brother.com to 2606:4700:4700::1001


********************************************
********************************************
[✓] ** FINISHED DEBUGGING! **

    * The debug log can be uploaded to tricorder.pi-hole.net for sharing with developers only.
    * For more information, see: https://pi-hole.net/2016/11/07/crack-our-medical-tricorder-win-a-raspberry-pi-3/
    * If available, we'll use openssl to upload the log, otherwise it will fall back to netcat.

    * Log will NOT be uploaded to tricorder.
    * A local copy of the debug log can be found at: /var/log/pihole_debug.log

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