IPv4 Addresses

TTL

Name Servers

TTL
20m
20m

Mail Servers

TTL
MX 10
20m

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
root.o3d.us
SOA Serial
2026042802
SOA Times
Refresh 2h
Retry 9m
Expire 7d
Minimum TTL 1h

Certificate Authority Authorization

TTL

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
v=DKIM1
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsQAEqrYJI3oS...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass ip4
+ Pass ip6
+ Pass a
+ Pass mx
~ Softfail 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).