IPv4 Addresses

TTL

Name Servers

TTL
20m
20m
20m

Mail Servers

TTL
MX 0
20m

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
sysadmin.whc.ca
SOA Serial
2026041403
SOA Times
Refresh 1h
Retry 30m
Expire 4h
Minimum TTL 1d

Certificate Authority Authorization

TTL

No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.

DMARC

TTL

No DMARC TXT record was returned (expected at `_dmarc.<domain>` with `v=DMARC1`). Without DMARC you cannot publish receiver policy or standard aggregate failure reports (RUA).

DKIM

TTL
DKIM Selector
default
20m
DKIM Version
DKIM1
DKIM Key Type
rsa
DKIM Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2CaZKpjpmbLy...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qual Mechanism Target / value Valid Details
+ ip4
+ ip4
+ a
+ mx
+ ip4
~ all
20m

MTA-STS

TTL

This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).

Text Content

TTL
google-site-verification=6g6M3X9DeYW5dsA337YhVe3XP_mgt0NqOp1z_fUEZVs
20m