SOA
Start of Authority
Primary NS
Mailbox
hostmaster.netzone.ch
Serial
2026110300
Refresh
10800
Retry
3600
Expire
1209600
Minimum TTL
900
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=d36565753b985d97d9caca6b9616b59c49f79fb1