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DNS Question

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by johnfinlay

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I have a customer who is getting email rejected because the ip address will not reverse lookup to a dns name. I am responsible for the mail server, their ISP provides the IP address, and yet another company provides the name servers for their domain. Who is responsible for the rev file? The ISP??? Thanks in advance...

3 replies

by rod.beaudry

The company that looks after the Nameserver is most likely the authority of the zone. You might want to try using nslookup until you get an authoritative reply from a DNS server. That will tell you who the SOA is for the domain (zone). As for whom you contact about the problem - well if the Nameserver company is working for the ISP then I would contact the ISP about the issue. If not, try to contact the company responsible for the Nameserver directly.

by house

Responsible to handle the tech issue, but they will need to consult with those responsible for the DNS servers of the party in question. This is a major issue with anti-spam.

Did you just say that another company provides the name servers for the domain??? What kind of ISP is that?

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