_spf-b.microsoft.com DNS history

Filter record types

No record changes with these filters Try selecting a different DNS record type.

First observed

SOA +1 -0

+ microsoft.com 300 SOA ns1-39.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300

TXT +1 -0

+ _spf-b.microsoft.com 3600 TXT "v=spf1 include:_spf-mdm.microsoft.com ip4:207.46.22.35 ip4:207.46.22.98/29 ip4:217.77.141.52 ip4:217.77.141.59 ip4:203.32.4.25 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:65.52.80.137/32 ~all"