SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2416037722
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=791b826e34fba8d438ecfddab56695edb5b245d2