whatsmydns.net - DNS Propagation Checker
ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

No ANY records found for m-v1.mx.microsoft.

Try mx.microsoft instead?

id 44211, opcode QUERY, rcode SERVFAIL, flags QR RD RA
;QUESTION
m-v1.mx.microsoft. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

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