SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2417909243
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=6bd2f6e68fa5cef3ade6a8b8be7175fcb471a3c7
v=spf1 include:_spf.protonmail.ch ~all