20 Host Or Domain Name Not Found Name Service Error For Type A In This Year

I think when you specify a relay server postfix assumes it is not local and has to resolve through external dns queries the dns server as opposed to using nsswitch conf to do etc hosts check before dns and i don t think any public dns server will provide a lookup for localhost.

Host or domain name not found name service error for type a. The server is running centos 6 0. Please check the name and try again. I ve already opened a support ticket with microsoft but is there any way to manually force the creation of this record.

Host found but no data record of requested type from what i already find thanks google type aaaa are dns related error but i can t find any thing that could help me. Just by adding the host name in the hosts file and sending mail abc host dom will not work. First the zimbra bundled dns caching service is only useful when your zimbra server assuming single server here too has a public ip address configured on the zimbra host i e.

Hi paul all email server systems have their peculiarities but there are few things from your post i would address. We have everything set up for the migration during the weekend but this is a showstopper. But that is the core of what has to be cleaned up.