SOA
Start of Authority
Primary NS
Mailbox
ingo.harbeck.iharbeck.de
Serial
2026102802
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
MS=ms56815671
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
A