SOA
Start of Authority
Primary NS
Mailbox
hostmaster.nsone.net
Serial
1782609288
Refresh
43200
Retry
7200
Expire
1209600
Minimum TTL
3600
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=ef4c1eaf8b2ec4bf8d32e8610bc5c4c6200a1291