SOA
Start of Authority
Primary NS
Mailbox
hostmaster.stackdns.com
Serial
1770298996
Refresh
1800
Retry
900
Expire
1209600
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=00acb7d09e2e7fd79bc9382b22e2fd21eb3a3f89
v=spf1 include:_spf.protonmail.ch include:spf.stackmail.com a mx -all
A