SOA
Start of Authority
Primary NS
Mailbox
tech.key-systems.net
Serial
2026061704
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
28800
TXT
TXT Records
security_contact=mailto:contact@pentagrid.ch
v=spf1 mx include:spf.protection.outlook.com include:_spf.google.com -all