Name Servers

TTL

Mail Servers

TTL

SOA Details

TTL
SOA Responsible
cloud-dns-hostmaster.google.com
SOA Serial
1
SOA Times
Refresh 6h
Retry 1h
Expire 3d
Minimum TTL 5m

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

No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass include
+ Pass invalid
mail.kubernetes.io
~ Softfail all

SPF issues

  • Token "mail.kubernetes.io" looks like a hostname but SPF requires an explicit mechanism prefix (for example `a:mail.kubernetes.io`, `mx:mail.kubernetes.io`, or `include:mail.kubernetes.io`; see RFC 7208)
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
1password-site-verification=SOZCTQ66DFFXVGPOWOHMVDIBVI
20m
google-site-verification=oPORCoq9XU6CmaR7G_bV00CLmEz-wLGOL7SXpeEuTt8
20m
google-site-verification=qmfDqvHjWJBL78F9saApyW0VFRyymuSMpqMn8gtGmd0
20m