[dns-operations] mail.protection.outlook.com (was: Anyone from Google here?)

Viktor Dukhovni ietf-dane at dukhovni.org
Sat Apr 18 19:06:14 UTC 2020

On Sat, Apr 18, 2020 at 09:55:07AM -0700, Brian Somers wrote:

> Heh, mail.protection.outlook.com has consumed many hours of my time in the past month :(
> For everyones’ amusement/astonishment:
> * dig +edns ns mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   Returns FORMERR but an empty question section
> * dig +noedns SOA mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   Returns NODATA… with an SOA to prove it!
> * dig +noedns DS mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   dig +noedns DNSKEY mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   dig +noedns TXT mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   Returns NOTIMP
> * dig +noedns ns nist-gov.mail.protection.outlook.com @ns1-proddns.glbdns.o365filtering.com
>   Returns two mail.protection.outlook.com/NS RRs in the ANSWER section
> If only Microsoft cared…

Well, they promised to implement inbound DANE for MX hosts in this
domain by end of 2021.  For that to happen, these issues will have to be


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