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  • Checking authority on reverse DNS IP Address lookup

    How can I check who is the authority for a reverse DNS IP address?

    ITKE351,300 pointsBadges:
  • Reverse DNS not forwarding to ISP DNS

    We have a receiver mail server refusing an email from us with message Received: 553 We do not accept mail from IP addresses without reverse DNS. Our inside DNS seems to have all the entry to answer direct or reverse calls for our email server. It seems that our ISP DNS server doesn't have the entry...

    mystergag30 pointsBadges:
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