SOA
Start of Authority
Primary NS
Mailbox
hostmaster.registrar-servers.com
Serial
1794195030
Refresh
43200
Retry
3600
Expire
604800
Minimum TTL
3601
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch include:spf.mtasv.net ~all
protonmail-verification=391139f7377a5e6d5b461da9242b7a3d1e62dd43