rare dns problemen
Ik kan thuis niet naar Wikipedia browsen: "We can’t connect to the
server at www.wikipedia.org".
Diggen op ns-server op extern VPS geeft de volgende resultaten.
jaap@artio:~$ dig @gaugino en.wikipedia.org
; <<>> DiG 9.16.15-Debian <<>> @gaugino en.wikipedia.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60422
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: e341d86ef35fd4dc01000000615db16d640e4226c09cf16f (good)
;; QUESTION SECTION:
;en.wikipedia.org. IN A
;; ANSWER SECTION:
en.wikipedia.org. 86400 IN CNAME dyna.wikimedia.org.
dyna.wikimedia.org. 600 IN A 91.198.174.192
;; Query time: 1128 msec
;; SERVER: 10.203.111.2#53(10.203.111.2)
;; WHEN: Wed Oct 06 14:23:41 UTC 2021
;; MSG SIZE rcvd: 121
De locale ns-server faalt echter.
jaap@artio:~$ dig en.wikipedia.org
; <<>> DiG 9.16.15-Debian <<>> en.wikipedia.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 510
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: c2a8c1bff5784db901000000615db188e6581a7982e9234f (good)
;; QUESTION SECTION:
;en.wikipedia.org. IN A
;; Query time: 0 msec
;; SERVER: 10.203.180.1#53(10.203.180.1)
;; WHEN: Wed Oct 06 14:24:08 UTC 2021
;; MSG SIZE rcvd: 73
jaap@artio:~$
query-errors.log zegt het volgende.
06-Oct-2021 14:23:44.357 query-errors: debug 1: client @0x7f858801df58
10.203.180.1#53846 (88.45.176.143.in-addr.arpa): view intern: query
failed (SERVFAIL) for 88.45.176.143.in-addr.arpa/IN/PTR at query.c:6648
06-Oct-2021 14:23:45.309 query-errors: debug 1: client @0x7f8584000cc8
10.203.180.1#35018 (88.45.176.143.in-addr.arpa): view intern: query
failed (SERVFAIL) for 88.45.176.143.in-addr.arpa/IN/PTR at query.c:6648
06-Oct-2021 14:23:45.309 query-errors: debug 1: client @0x7f858c005088
10.203.180.1#36657 (88.45.176.143.in-addr.arpa): view intern: query
failed (SERVFAIL) for 88.45.176.143.in-addr.arpa/IN/PTR at query.c:6648
06-Oct-2021 14:23:58.941 lame-servers: info: lame server resolving
'en.wikipedia.org' (in 'wikipedia.org'?): 208.80.153.231#53 06-Oct-2021
14:23:58.945 lame-servers: info: lame server resolving
'en.wikipedia.org' (in 'wikipedia.org'?): 208.80.154.238#53 06-Oct-2021
14:23:58.949 lame-servers: info: lame server resolving
'en.wikipedia.org' (in 'wikipedia.org'?): 91.198.174.239#53 06-Oct-2021
14:23:58.949 lame-servers: info: lame server resolving
'ns1.wikimedia.org' (in 'wikimedia.org'?): 208.80.153.231#53
06-Oct-2021 14:23:58.953 lame-servers: info: lame server resolving
'ns0.wikimedia.org' (in 'wikimedia.org'?): 208.80.153.231#53
06-Oct-2021 14:23:58.953 lame-servers: info: lame server resolving
'ns2.wikimedia.org' (in 'wikimedia.org'?): 208.80.153.231#53
06-Oct-2021 14:23:58.957 lame-servers: info: lame server resolving
'ns1.wikimedia.org' (in 'wikimedia.org'?): 208.80.154.238#53
06-Oct-2021 14:23:58.957 lame-servers: info: lame server resolving
'ns0.wikimedia.org' (in 'wikimedia.org'?): 208.80.154.238#53
06-Oct-2021 14:23:58.957 lame-servers: info: lame server resolving
'ns2.wikimedia.org' (in 'wikimedia.org'?): 208.80.154.238#53
06-Oct-2021 14:23:58.961 lame-servers: info: lame server resolving
'ns1.wikimedia.org' (in 'wikimedia.org'?): 91.198.174.239#53
06-Oct-2021 14:23:58.961 lame-servers: info: lame server resolving
'ns2.wikimedia.org' (in 'wikimedia.org'?): 91.198.174.239#53
06-Oct-2021 14:23:58.961 lame-servers: info: lame server resolving
'ns0.wikimedia.org' (in 'wikimedia.org'?): 91.198.174.239#53
06-Oct-2021 14:24:08.941 query-errors: debug 1: client @0x7f858801df58
10.203.180.1#56457 (en.wikipedia.org): view intern: query failed (timed
out) for en.wikipedia.org/IN/A at query.c:7360 06-Oct-2021 14:24:08.941
query-errors: debug 1: client @0x7f8588021cb8 10.203.180.1#56457
(en.wikipedia.org): view intern: query failed (SERVFAIL) for
en.wikipedia.org/IN/A at query.c:6648
Ik heb ten einde raad in named.conf.options wat forwarders ingesteld.
forwarders {
8.8.8.8;
8.8.4.4;
};
Dit levert de volgende bind-logs op:
06-Oct-2021 14:40:17.351 query-errors: debug 1: client @0x7f61380210c8
10.203.180.250#53438 (ns4.versatel.net): view intern: query failed
(timed out) for ns4.versatel.net/IN/A at query.c:7360 06-Oct-2021
14:40:17.351 query-errors: debug 1: client @0x7f6130010648
10.203.180.250#60059 (ns4.versatel.net): view intern: query failed
(timed out) for ns4.versatel.net/IN/AAAA at query.c:7360 06-Oct-2021
14:40:17.351 query-errors: debug 1: client @0x7f6138005088
10.203.180.250#42998 (ns3.versatel.net): view intern: query failed
(timed out) for ns3.versatel.net/IN/AAAA at query.c:7360 06-Oct-2021
14:40:17.535 lame-servers: info: timed out resolving
'mozilla.com/DS/IN': 8.8.4.4#53 06-Oct-2021 14:40:17.539 lame-servers:
info: timed out resolving 'mozilla.com/DS/IN': 8.8.4.4#53 06-Oct-2021
14:40:18.787 lame-servers: info: timed out resolving 'com/DNSKEY/IN':
8.8.8.8#53 06-Oct-2021 14:40:18.791 lame-servers: info: timed out
resolving 'com/DNSKEY/IN': 8.8.8.8#53 06-Oct-2021 14:40:18.923
lame-servers: info: timed out resolving
'contile.services.mozilla.com/A/IN': 8.8.8.8#53 06-Oct-2021
14:40:18.923 lame-servers: info: timed out resolving
'contile.services.mozilla.com/A/IN': 8.8.8.8#53 06-Oct-2021
14:40:19.747 query-errors: debug 1: client @0x7f6138025748
10.203.180.250#43771 (ns2.versatel.net): view intern: query failed
(timed out) for ns2.versatel.net/IN/AAAA at query.c:7360 06-Oct-2021
14:40:19.747 query-errors: debug 1: client @0x7f612c005088
10.203.180.250#55455 (ns1.versatel.net): view intern: query failed
(timed out) for ns1.versatel.net/IN/AAAA at query.c:7360 06-Oct-2021
14:40:19.987 lame-servers: info: timed out resolving 'com/DNSKEY/IN':
8.8.4.4#53 06-Oct-2021 14:40:19.991 lame-servers: info: timed out
resolving 'com/DNSKEY/IN': 8.8.4.4#53 06-Oct-2021 14:40:20.123
lame-servers: info: timed out resolving
'contile.services.mozilla.com/A/IN': 8.8.4.4#53 06-Oct-2021
14:40:20.123 lame-servers: info: timed out resolving
'contile.services.mozilla.com/A/IN': 8.8.4.4#53
Wat moet ik hier van denken?
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