Question about SERVFAIL error
Mark Andrews
Mark_Andrews at isc.org
Wed Mar 15 20:34:55 UTC 2006
> Hello~~ My name is KyoungHee Kim, in Korea.
>
>
> Our company has two dns. One is primary DNS and the other is secondary DNS.
>
>
>
> Currently, I'm experiencing some odd behavior on Primary DNS. Its bind
> version is BIND 9.2.4.
>
> Secondary DNS is well operated and its bind version is BIND 9.2.1
>
>
>
> Only primary DNS can¡¯t often resolve about certain site. Certain sites are
> ¡®techwing.co.kr¡¯ and ¡®mail.chiptron.co.kr.¡¯
>
> Error message in Primary DNS is ¡°server can't find techwing.co.kr:
> SERVFAIL¡±
>
>
>
> After I change name server through nslookup, name resolving is success.
>
> Both Secondary DNS and ISP¡¯s DNS are success in name resolving about
> certain site.
>
> Only our primary DNS can¡¯t resolve about certain site.
>
>
>
> What is meaning of ¡°server can't find techwing.co.kr: SERVFAIL¡±?
>
> Why is happened?
>
> What should I do that?
>
>
>
> This is probably better explained by showing you what I've done in regards
> to nslookup, dig
>
>
>
> ===================== NSLOOKUP¡¯s Result
> ===================================================
>
> #nslookup
>
> > techwing.co.kr
>
> Server: 202.30.128.12
>
> Address: 202.30.128.12#53
>
>
>
> ** server can't find techwing.co.kr: SERVFAIL
>
> =============================================================================
> =============
>
>
> ======================= Dig¡¯s Result
> ======================================================
> dig @ns.hynix.com techwing.co.kr
>
>
>
> ; <<>> DiG 9.2.4rc6 <<>> @ns.hynix.com techwing.co.kr
>
> ;; global options: printcmd
>
> ;; Got answer:
>
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1655
>
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
>
>
> ;; QUESTION SECTION:
>
> ;techwing.co.kr. IN A
>
>
>
> ;; Query time: 3 msec
>
> ;; SERVER: 202.30.128.12#53(ns.hynix.com)
>
> ;; WHEN: Wed Mar 15 11:05:27 2006
>
> ;; MSG SIZE rcvd: 32
>
> =============================================================================
> ===============
The nameservers do not exist according to the server for the
zone.
Mark
; <<>> DiG 8.3 <<>> ns.techwing.co.kr @211.195.124.66
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31835
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; ns.techwing.co.kr, type = A, class = IN
;; AUTHORITY SECTION:
techwing.co.kr. 1H IN SOA techwingins.techwing320.local. hostmaster.techwing320.local. (
41 ; serial
15M ; refresh
10M ; retry
1D ; expiry
1H ) ; minimum
;; Total query time: 143 msec
;; FROM: drugs.dv.isc.org to SERVER: 211.195.124.66
;; WHEN: Thu Mar 16 07:31:50 2006
;; MSG SIZE sent: 35 rcvd: 125
; <<>> DiG 8.3 <<>> ns2.techwing.co.kr @211.195.124.66
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55505
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; ns2.techwing.co.kr, type = A, class = IN
;; AUTHORITY SECTION:
techwing.co.kr. 1H IN SOA techwingins.techwing320.local. hostmaster.techwing320.local. (
41 ; serial
15M ; refresh
10M ; retry
1D ; expiry
1H ) ; minimum
;; Total query time: 143 msec
;; FROM: drugs.dv.isc.org to SERVER: 211.195.124.66
;; WHEN: Thu Mar 16 07:32:20 2006
;; MSG SIZE sent: 36 rcvd: 126
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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