SOA
Start of Authority
Primary NS
Mailbox
grh-in.guru.net.uk
Serial
2026100501
Refresh
3600
Retry
7200
Expire
1209600
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all
MS=ms28312921
A