revdns

  1. IPTRACE

    Postfix - does not resolve a new revDNS entry

    Hello! I have a strange problem. My postfix does not resolve one of the IP address to domain name. So, in such case mail is dropped. Restarting the postfix does not help. host command from this OS resolves this IP correctly. I don't use any DNS server on this machine. Where can be a problem...
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