occasional SERVFAIL error

[Matus UHLAR - fantomas]

On 29.02.24 15:20, Ludovit Koren wrote:
>occasionally I get the following SERVFAIL error:
>
>dig www.jiscd.sk
>
>; <<>> DiG 9.18.24 <<>> www.jiscd.sk
>;; global options: +cmd
>;; Got answer:
>;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 12207
>;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
>
>;; OPT PSEUDOSECTION:
>; EDNS: version: 0, flags:; udp: 1232
>; COOKIE: 35fe56eb9b5f3f220100000065df34b4c313eedf839eac9d (good)
>;; QUESTION SECTION:
>;www.jiscd.sk.                  IN      A
>
>;; Query time: 17 msec
>;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
>;; WHEN: Wed Feb 28 14:27:16 CET 2024
>;; MSG SIZE  rcvd: 69
>
>
>
>I can get rid of it only after issuing:
>
>rndc flush
>
>Afterwards it works for uncertain time.
>
>Could it be I have a configuration problem of my server (I have prefetch
>0 set in options section of my server)? Is it a problem of the
>authorized domain server?

I have looked onto it manually, so far found nothing.

rndc dumpdb could generate named output where you should be able to find out 
the culprit.

the difference between current version of zone between ns1.gov.sk and 
ns2.gov.sk could affectg this problem.


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