SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2419958967
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=666c3a6c5ba01d4404837d7fc03a81e5493ca2d3
v=spf1 include:_spf.protonmail.ch mx ~all