The host 'mail.domainname.com.au' could not be found. - Dotable

Brad · 4th July 2008, 10:11 PM

Hello,

I have a customer that from time to time gets the following error in checking his emails:

Quote:

The host 'mail.domainname.com.au' could not be found. Please verify that you have entered the server name correctly.
Account: 'mail.domainname.com.au', Server: 'mail.domainname.com.au', Protocol: POP3, Port: 110, Secure(SSL): No, Socket Error: 11001, Error Number: 0x800CCC0D

Now since this has only started to happen around the time of the server move, I have double/trippled checked the DNS settings etc.
Checked DNSreport.
Checked telnet.
All is good.

Even gave him this great link which explains in detail, how to check via Telnet that if all is good, plus to make sure his settings are good.

He says this only happens on & off.
Would you think maybe a Propagation issue maybe with a ISP or something ?

Just getting some thoughts of others.
Would be appreciated !

Brad

Dotable Steve · 4th July 2008, 10:30 PM

Could be a cached dns result or something like that or simply the resolvers that he is using are flakey. Try using a different set of name servers for his resolvers (check what they are set to and change to some other local ones)

Easiest thing to do is to ping or nslookup 'mail.domainname.com.au' when he gets the problem anyway, to see if there is a resolution issue.

Brad · 4th July 2008, 10:34 PM

Thanks Dotable Steve for the Suggestion !
Will do

Brad

Dotable Steve · 4th July 2008, 10:38 PM

And if you want a dns expert to glance over the dns for you - pm me the domain name and I'll have one look over it

Aussie Bob · 19th July 2008, 05:10 PM

No worries.

4th July 2008, 10:30 PM	#2 (permalink)
Dotable Steve Dotable Join Date: Jun 2006 Location: Auckland Posts: 1,439	Could be a cached dns result or something like that or simply the resolvers that he is using are flakey. Try using a different set of name servers for his resolvers (check what they are set to and change to some other local ones) Easiest thing to do is to ping or nslookup 'mail.domainname.com.au' when he gets the problem anyway, to see if there is a resolution issue. __________________ • Dotable - The home of "No Worries" hosting. • VPS ? Centos, Windows or Debian - Your choice • PHP5 ? Yes we do! • ClientExec? No Worries! • Do We Ride the Rails? Yes we do! • Move your sites to Dotable ? Yes we will!

4th July 2008, 10:38 PM	#4 (permalink)
Dotable Steve Dotable Join Date: Jun 2006 Location: Auckland Posts: 1,439	And if you want a dns expert to glance over the dns for you - pm me the domain name and I'll have one look over it __________________ • Dotable - The home of "No Worries" hosting. • VPS ? Centos, Windows or Debian - Your choice • PHP5 ? Yes we do! • ClientExec? No Worries! • Do We Ride the Rails? Yes we do! • Move your sites to Dotable ? Yes we will!

19th July 2008, 05:10 PM	#5 (permalink)
Aussie Bob Dotable Founder Join Date: Mar 2005 Location: Land down under Posts: 3,807	No worries. __________________ • Dotable • "an island of normality in a sea of pimps and pirates" •

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4th July 2008, 10:34 PM	#3 (permalink)
Brad Smiling can be Infectious Join Date: Jan 2006 Posts: 57	Thanks Dotable Steve for the Suggestion ! Will do Brad