Results of grep "query[A.*.nyroc.rr.com" /var/log/pihole.log (only copied a small portion). These ranged from Jan 6, 2020 at 00:59:36 to Jan 6, 2020 at 20:51:10 and there were 955 instances. My chromium browser was not continuously started during this time.
Jan 6 16:43:25 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 16:49:33 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 16:49:33 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 16:51:08 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 16:51:08 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:01:08 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:01:08 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:06:47 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:06:47 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:06:53 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:06:53 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:07:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:07:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:08:12 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:08:12 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:08:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:08:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:11:08 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:11:08 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:21:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:21:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:21:37 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:21:37 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:23:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:23:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:31:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:31:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:41:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:41:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:43:26 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:43:26 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:51:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:51:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:53:42 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:53:42 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:53:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 17:53:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:01:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:01:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:06:53 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:06:53 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:06:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:06:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:07:15 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:07:15 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:08:18 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:08:18 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:11:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:11:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:21:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:21:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:25:46 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:25:46 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:31:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:31:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:38:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:38:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:41:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:41:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:51:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:51:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:53:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:53:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:57:50 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 18:57:50 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:01:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:01:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:06:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:06:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:07:04 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:07:04 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:07:21 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:07:21 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:08:23 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:08:23 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:11:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:11:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:21:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:21:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:23:58 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:23:58 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:29:54 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:29:54 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:31:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:31:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:38:59 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:38:59 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:41:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:41:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:43:40 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:43:40 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:51:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 19:51:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:01:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:01:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:01:58 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:01:58 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:04 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:04 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:09 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:09 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:26 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:07:26 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:29 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:29 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:42 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:42 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:59 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:08:59 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:11:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:11:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:21:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:21:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:31:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:31:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:34:02 dnsmasq[577]: query[A] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:34:02 dnsmasq[577]: query[AAAA] DISKSTATION.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:38:59 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:38:59 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:41:10 dnsmasq[577]: query[A] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
Jan 6 20:41:10 dnsmasq[577]: query[AAAA] wpad.nyroc.rr.com from 2604:6000:150e:cbab:4952:d88d:2955:7788
So you are using a Netgear router
Netgear Nighthawk R7800 router on Router Firmware Version V1.0.2.62
Results of grep "search" /etc/resolv.conf:
pi@PiHole:~ $ grep "search" /etc/resolv.conf
search nyroc.rr.com
On my windows machine that is not connected to pihole (and not experiencing issues):
ipconfig /all | find /i "suffix"
Primary Dns Suffix . . . . . . . : <Unrelated domain, removed for privacy>
DNS Suffix Search List. . . . . . : <Unrelated domain, removed for privacy>
Connection-specific DNS Suffix . :
Connection-specific DNS Suffix . :
Connection-specific DNS Suffix . :
Connection-specific DNS Suffix . : nyroc.rr.com
Connection-specific DNS Suffix Search List :
Connection-specific DNS Suffix . :
On my windows machine that is connected to pihole (and experiencing issues):
ipconfig /all | find /i "suffix"
Primary Dns Suffix . . . . . . . :
DNS Suffix Search List. . . . . . : nyroc.rr.com
Connection-specific DNS Suffix . : nyroc.rr.com
Connection-specific DNS Suffix Search List :
Connection-specific DNS Suffix . :
I did not set up the nyroc.rr.com as the DNS suffix, but I'm also noticing that on my iOS device as the "Search Domain" (and have had a hell of a time trying to get that to use pihole as seen here and here, to the point that I've given up). Any idea how that's being populated?