SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2417262464
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=4d5681ececa0a2300d051d3f831dfb303f90f7f5