We're seeing an issue with delivering to sba.gov. The DNS servers we reference from these MTAs are showing SERVFAIL for a PTR lookup on 165.110.5.75.
http://dnsviz.net/d/75.5.110.165.in-addr.arpa/dnssec/ seems to imply they're having a DNSSEC issue (unless I'm misinterpreting the output). Thanks -- Alex Brotman Engineer, Anti-Abuse Comcast x5364 _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
