SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2408167189
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=53c964f0c4cbf64a0d5d394efff1f217d72e4cd2
v=spf1 include:_spf.protonmail.ch ~all