SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2409602010
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=b47ad8b96b54af15ee763b224f3dc251ebb6a7d8
v=spf1 include:_spf.protonmail.ch ~all