SOA
Start of Authority
Primary NS
Mailbox
sysadmin-internal.whc.ca
Serial
2026110401
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=e8d452ad8d48dc5ee31d3e62bff8b44fd7e9427b
A