18
records
IPv4 Addresses
TTL
kubernetes.io. 1200 IN A 15.197.167.90 kubernetes.io. 1200 IN A 3.33.186.135
Name Servers
TTL
kubernetes.io. 1200 IN NS ns-cloud-a1.googledomains.com. kubernetes.io. 1200 IN NS ns-cloud-a2.googledomains.com. kubernetes.io. 1200 IN NS ns-cloud-a3.googledomains.com. kubernetes.io. 1200 IN NS ns-cloud-a4.googledomains.com.
Mail Servers
TTL
20m
20m
20m
20m
20m
kubernetes.io. 1200 IN MX 1 aspmx.l.google.com. kubernetes.io. 1200 IN MX 5 alt1.aspmx.l.google.com. kubernetes.io. 1200 IN MX 5 alt2.aspmx.l.google.com. kubernetes.io. 1200 IN MX 10 alt4.aspmx.l.google.com. kubernetes.io. 1200 IN MX 10 alt3.aspmx.l.google.com.
SOA Details
TTL
20m
SOA
Responsible
cloud-dns-hostmaster.google.com
SOA
Serial
1
SOA
Times
Refresh
6h
Retry
1h
Expire
3d
Minimum TTL
5m
kubernetes.io. 1200 IN SOA ns-cloud-a1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
Certificate Authority Authorization
TTL
20m
20m
kubernetes.io. 1200 IN CAA 0 issue "letsencrypt.org" kubernetes.io. 1200 IN CAA 0 issue "pki.goog"
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
kubernetes.io. 1200 IN TXT "v=spf1 include:_spf.google.com mail.kubernetes.io ~all"
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
kubernetes.io. 1200 IN TXT "1password-site-verification=SOZCTQ66DFFXVGPOWOHMVDIBVI" kubernetes.io. 1200 IN TXT "google-site-verification=oPORCoq9XU6CmaR7G_bV00CLmEz-wLGOL7SXpeEuTt8" kubernetes.io. 1200 IN TXT "google-site-verification=qmfDqvHjWJBL78F9saApyW0VFRyymuSMpqMn8gtGmd0"