SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2413679328
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=ca1fe937386ff5a91327b9995555256640003fe2
v=spf1 include:_spf.protonmail.ch ~all