SOA
Start of Authority
Primary NS
Mailbox
postmaster.your-server.de
Serial
2026100800
Refresh
86400
Retry
10800
Expire
3600000
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=5a8bf7b539079c6aadf2c96a72fe723a5b248f2b
v=spf1 +a +mx ?all
A