We are seeing similar issues on Office 365 mail. We are getting SERVFAIL on reverse DNS lookups, both using our resolvers as well as testing against Google. It looks DNSSEC related: 87.169.55.65.in-addr.arpa PTR: bad cache hit (55.65.in-addr.arpa/DS)
With checks disabled the query works: dig -x 65.55.169.63 +cd This looks like something is not right: http://dnsviz.net/d/55.65.in-addr.arpa/dnssec/ -Tony -----Original Message----- From: mailop [mailto:[email protected]] On Behalf Of Michael Peddemors Sent: Monday, March 7, 2016 4:29 PM To: mailop <[email protected]> Subject: [mailop] Google DNS Servers not returning results for Hotmail today? Had several reports of DNS oddities from the Google DNS servers, from customers/clients who use them as the default. Are they in the middle of a move/change? _______________________________________________ mailop mailing list [email protected] https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
