SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2405722150
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=36504081aa19cf685d453a4ef2651d116143034f
v=spf1 include:_spf.protonmail.ch ~all