#2 Can’t find pi.hole: No answer

[fastboot]

first topic and first device: Can't find pi.hole: No answer
second device, this device too ARM board: http://wiki.friendlyarm.com/wiki/index.php/ZeroPi
Pi-hole v.5.5

does not initially find the domain pi.hole
of course pihole stands as the main dns server, and according to the server response in CLI nslookup.
after use pihole -d, pihole starts working normally

the second device has not been modified or something is third-party settings
already two devices could not find the domain, the devices had version 5.5

[fastboot]

after on reboot 192.168.255.250

root@ZeroPi-DNS:~# host pi.hole
Host pi.hole not found: 2(SERVFAIL)
root@ZeroPi-DNS:~# host ok.ru
Host ok.ru not found: 2(SERVFAIL)
root@ZeroPi-DNS:~# host 192.168.255.250
250.255.168.192.in-addr.arpa domain name pointer pi.hole.
root@ZeroPi-DNS:~#

[fastboot]

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