bind 9.18.2 DNS format error server sent FORMERR
I have two versions of the BIND server (9.16.1 and 9.18.2) on Ubuntu server (20.04 and 22.04). The first (bind 9.16.1) fulfills the request normally.
root@zdns:~# nslookup
server Default server: 127.0.0.53 Address: 127.0.0.53#53 zakon.kz Server: 127.0.0.53 Address: 127.0.0.53#53
Non-authoritative answer: Name: zakon.kz Address: 109.233.110.30
; <<>> DiG 9.16.1-Ubuntu <<>> zakon.kz ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39840 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;zakon.kz. IN A
;; ANSWER SECTION: zakon.kz. 300 IN A 109.233.110.30
;; Query time: 20 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Tue May 17 10:15:35 +06 2022 ;; MSG SIZE rcvd: 53
The second (9.18.1-2) returns an error.
root@zdns:~# nslookup
server Default server: 127.0.0.53 Address: 127.0.0.53#53 zakon.kz Server: 127.0.0.53 Address: 127.0.0.53#53
** server can't find zakon.kz: SERVFAIL
root@zdns:~# dig zakon.kz
; <<>> DiG 9.18.2-1+ubuntu22.04.1+isc+3-Ubuntu <<>> zakon.kz ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 15129 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;zakon.kz. IN A
;; Query time: 4 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP) ;; WHEN: Tue May 17 10:19:47 +06 2022 ;; MSG SIZE rcvd: 37
=================================================== all config files are the same.
log from bind 9.18.2
May 16 19:01:02 dn08 named[622]: DNS format error from 89.218.51.5#53 resolving zakon.kz/A for 192.168.10.101#52006: server sent FORMERR May 16 19:06:37 dn08 named[622]: DNS format error from 89.218.51.5#53 resolving zakon.kz/A for 192.168.10.101#43976: server sent FORMERR May 16 19:06:40 dn08 named[622]: DNS format error from 89.218.51.5#53 resolving zakon.kz/A for 192.168.10.101#60102: server sent FORMERR May 16 19:06:42 dn08 named[622]: DNS format error from 89.218.51.5#53 resolving zakon.kz/A for 192.168.10.101#50967: server sent FORMERR May 16 19:06:44 dn08 named[622]: DNS format error from 89.218.51.13#53 resolving zakon.kz/A for 192.168.10.101#55287: server sent FORMERR May 16 19:06:45 dn08 named[622]: DNS format error from 89.218.51.13#53 resolving zakon.kz/A for 192.168.10.101#41040: server sent FORMERR May 16 19:06:46 dn08 named[622]: DNS format error from 89.218.51.13#53 resolving zakon.kz/A for 192.168.10.101#35847: server sent FORMERR May 16 19:06:48 dn08 named[622]: DNS format error from 92.46.53.211#53 resolving zakon.kz/A for 192.168.10.101#34277: server sent FORMERR