SOA
Start of Authority
Primary NS
Mailbox
sysadmin-internal.whc.ca
Serial
2026110406
Refresh
3600
Retry
3600
Expire
1209600
Minimum TTL
1800
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:158.85.77.121 ip4:158.85.89.116 include:spf.web-dns1.com ~all
A