SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2419394509
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=4567f4660132ba04e42485ab5924c60099916940
v=spf1 include:_spf.protonmail.ch ~all