wrong DNS sometimes

Will Yardley william+dns at hq.newdream.net
Sun Sep 2 18:47:38 UTC 2001


Paolo Nascimbeni wrote:
> 2 weeks ago I moved my server from ip 65.....15 to ip 64.....250 My
> name server has been changed to  to the new ip 64....250.  Still
> sometimes people tell me they cannot see my site www.derutaitaly.com
> (name server ns1.lifeinitaly.com which correctly points to 64.....250)
> If I ask them to ping www.derutaitaly.com and the old ip 65....15
> still answers.

(i snipped out the 'question' sections for brevity)

aura# dig ns derutaitaly.com @a.gtld-servers.net

; <<>> DiG 9.2.0rc1 <<>> ns derutaitaly.com @a.gtld-servers.net
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33293
;; flags: qr rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2

;; ANSWER SECTION:
derutaitaly.com.        172800  IN      NS      NS1.GRANITECANYON.com.
derutaitaly.com.        172800  IN      NS      NS1.LIFEINITALY.com.

;; ADDITIONAL SECTION:
NS1.GRANITECANYON.com.  172800  IN      A       205.166.226.38
NS1.LIFEINITALY.com.    172800  IN      A       64.48.58.250

(ns1.granitecanyon.com is timing out for me about half the time)

aura# dig www.derutaitaly.com @ns1.granitecanyon.com.

; <<>> DiG 9.2.0rc1 <<>> www.derutaitaly.com @ns1.granitecanyon.com.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61838
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 3

;; ANSWER SECTION:
www.derutaitaly.com.    43200   IN      CNAME   derutaitaly.com.
derutaitaly.com.        43200   IN      A       65.14.167.15

;; AUTHORITY SECTION:
derutaitaly.com.        43200   IN      NS      ns1.granitecanyon.com.
derutaitaly.com.        43200   IN      NS      ns2.granitecanyon.com.

;; ADDITIONAL SECTION:
ns1.granitecanyon.com.  86400   IN      A       205.166.226.38
ns1.granitecanyon.com.  86400   IN      A       216.229.46.101
ns2.granitecanyon.com.  86400   IN      A       64.63.77.89

your other nameserver doesn't seem to be responding:

aura# dig ns derutaitaly.com @NS1.LIFEINITALY.com.
dig: Couldn't find server 'NS1.LIFEINITALY.com.': No address associated
with hostname

aura# dig NS1.LIFEINITALY.com.

; <<>> DiG 9.2.0rc1 <<>> NS1.LIFEINITALY.com.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13703
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; AUTHORITY SECTION:
LIFEINITALY.com.        10190   IN      SOA     ns1.granitecanyon.com.
paolo.LIFEINITALY.com. 192446354 21600 10800 1728000 43200

i don't even know where to start but your dns is all messed up.  
i don't know much about granitecanyon, but i have heard bad things from
them on this list.  you might want to switch to a different service.

my initial recursive query did return the correct answer; if i dig at
the ip address mentioned in the grantitecanyon record as being
'ns1.lifeinitaly.com', i get that record; however you need to fix dns
for this host AND register it with the registrar for that domain.

aura# dig www.derutaitaly.com @64.48.58.250

; <<>> DiG 9.2.0rc1 <<>> www.derutaitaly.com @64.48.58.250
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57061
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; ANSWER SECTION:
www.derutaitaly.com.    3600    IN      CNAME   ns1.derutaitaly.com.
ns1.derutaitaly.com.    3600    IN      A       64.48.58.250

-will 

-- 
Sintax error in config file! (line 378)
aborted!

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