SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2411262475
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch include:mailgun.org -all
protonmail-verification=59b8369ddac528949dd396dc6e2c51c762f815d8