Email DNS records for kubernetes.io

MX, SPF, DMARC and DKIM records published for kubernetes.io.

kubernetes.io can receive email: 5 MX records found. The MX records point to Google mail servers. Authentication records found: SPF. Not found: DMARC, DKIM (among common selectors).

Check Result What it means
MX Found (5) The domain is configured to receive email.
Mail provider Google Inferred from the MX host names: they point to Google mail servers.
SPF Found The record ends with ~all: mail from servers not listed should be treated as suspicious but accepted (soft fail).
DMARC Not found No DMARC policy tells receivers how to handle messages that fail authentication.
DKIM Not found among common selectors DKIM can only be confirmed with the selector used by the sender, so this does not mean the domain has no DKIM.

Last checked: 2026-10-08 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.

MX records for kubernetes.io

  • 1 aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com

Email authentication records for kubernetes.io

SPF record
v=spf1 include:_spf.google.com mail.kubernetes.io ~all

Check a specific email address @kubernetes.io

This page checks how kubernetes.io is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.

Server location

IP address147.75.40.148
CountryUnited States of America
ASN54825

Name servers

NS 1ns-cloud-a4.googledomains.com.
NS 2ns-cloud-a2.googledomains.com.
NS 3ns-cloud-a1.googledomains.com.
NS 4ns-cloud-a3.googledomains.com.

TXT records for kubernetes.io

TXT 1google-site-verification=qmfDqvHjWJBL78F9saApyW0VFRyymuSMpqMn8gtGmd0
TXT 2google-site-verification=oPORCoq9XU6CmaR7G_bV00CLmEz-wLGOL7SXpeEuTt8
TXT 3v=spf1 include:_spf.google.com mail.kubernetes.io ~all
TXT 41password-site-verification=SOZCTQ66DFFXVGPOWOHMVDIBVI