SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
28
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
TXT
TXT Records
v=spf1 a mx ip4:96.126.127.12 ~all
v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=dcbf0eb33ba76ea8b64de5aea7df41c1c05fe2b2
A