SOA
Start of Authority
Primary NS
Mailbox
hostmaster.registrar-servers.com
Serial
1773775345
Refresh
43200
Retry
3600
Expire
604800
Minimum TTL
3601
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=1b75ccc10107f8f3d5943bc75d322403cbe5b757