SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2409798317
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=8b2c1ff9042b94ef21f8b81b7031c3b1398f1be9