SOA
Start of Authority
Primary NS
Mailbox
tech.key-systems.net
Serial
2026022200
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
28800
TXT
TXT Records
protonmail-verification=dce0fc464ada0795ee1088a19d065d4697059cfe
v=spf1 include:_spf.protonmail.ch ~all
AAAA