occasional SERVFAIL error
Matus UHLAR - fantomas
uhlar at fantomas.sk
Fri Mar 1 10:53:47 UTC 2024
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.
--
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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