Strange issues... Anomaly)

[Mark Andrews]

In message <002301cb1362$49ef8db0$ddcea910$@net>, "Nadir Aliyev" writes:
> Hmm interesting that, sometimes dns query can get normal result. 
> 
> But sometimes not.
> 
> Its bind bug or godaddy's problems? Any ideas?
> 
> But interesting that I detected this problem no goddaddy's servers to.
> 
> For example from following korean site I cant get normal results.
> 
> # nslookup kotra.or.kr
> ;; Got SERVFAIL reply from XXX.XXX.XXX.21, trying next server
> Server:         XXX.XXX.XXX.22
> Address:        XXX.XXX.XXX.22#53
> 
> Non-authoritative answer:
> Name:   kotra.or.kr
> Address: 125.131.31.31

The nameservers for kotra.or.kr are BROKEN.  They do not return
authoritative answers.  There is no "aa" flag set.

Mark

; <<>> DiG 9.3.6-P1 <<>> kotra.or.kr @210.223.88.1 +norec
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41458
;; flags: qr ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;kotra.or.kr.			IN	A

;; ANSWER SECTION:
kotra.or.kr.		86400	IN	A	125.131.31.31

;; Query time: 386 msec
;; SERVER: 210.223.88.1#53(210.223.88.1)
;; WHEN: Thu Jun 24 16:06:28 2010
;; MSG SIZE  rcvd: 45

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org