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Rank #1,851Updated November 10, 2026

golang.org

The Go Programming Language

golang.org is registered with MarkMonitor Inc. since August 22, 2009 (17.2 years). The registration expires on August 22, 2027. The site runs on Google Fonts, Google Cloud, jQuery and 3 other technologies. Its email security grade is D. Its SSL certificate is issued by Google Trust Services and is valid for 50 more days.

Domain age
17.2 yrs
Technologies
6
Email security
D
SSL days left
50

Registration

RegistrarMarkMonitor Inc.
IANA ID292
RegisteredAugust 22, 2009
ExpiresAugust 22, 2027
UpdatedAugust 12, 2026
Statusclient delete prohibited, client transfer prohibited, client update prohibited
Name serversns1.google.com, ns2.google.com, ns3.google.com, ns4.google.com
DNSSECNot signed

DNS records

TypeValueTTL
A142.250.154.14154
MXalt3.aspmx.l.google.com 23600
MXalt1.aspmx.l.google.com 23600
MXaspmx.l.google.com 13600
MXalt2.aspmx.l.google.com 23600
NSns4.google.com345600
NSns3.google.com345600
NSns2.google.com345600
NSns1.google.com345600
CAAissue 0 pki.goog86400
CAAissue 0 letsencrypt.org86400
CAAissue 0 pki.goog86400
TXTv=spf1 include:_spf.google.com ~all3600
AAAA2a00:1450:4001:c0f::8d300

Technology stack

Analytics and advertising IDs

google_tag_manager:GTM-W8MVQXG

Other sites using the same IDs: go.dev

SSL certificate

ValidValid
IssuerUS, WE2, Google Trust Services
ExpiresDecember 31, 2026
Days remaining50
ProtocolTLSv1.3
Namesmisc-sni.google.com, *.aiplatform-notebook.cloud.google.com, *.aiplatform-training.cloud.google.com, *.backupdr.cloud.google.com, *.backupdr.cloud.google, *.backupdr-staging.cloud.google.com, *.backupdr-staging.cloud.google, *.backupdr-autopush.cloud.google.com, *.backupdr-autopush.cloud.google, *.backupdr-dev.cloud.google.com, *.backupdr-dev.cloud.google, *.backupdr-sandbox.cloud.google.com

Email security

DScore 60/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
  • warnDKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • good4 MX record(s) found. Mail is handled by Google Workspace.

Homepage metadata

TitleThe Go Programming Language
DescriptionGo is an open source programming language that makes it simple to build secure, scalable systems.
Languageen
Canonicalhttps://go.dev/
IndexableYes
Word count1133

About golang.org

Who is the registrar of golang.org?

golang.org is registered with MarkMonitor Inc. (IANA ID 292).

When does golang.org expire?

The current registration of golang.org expires on August 22, 2027. It was first registered on August 22, 2009.

What technology does golang.org use?

We detected 6 technologies on golang.org, including Google Fonts, Google Cloud, jQuery, Content Security Policy, HSTS, Google Tag Manager.

Does golang.org protect its email with SPF and DMARC?

golang.org scores 60/100 (grade D) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. DKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.

What are the name servers of golang.org?

golang.org uses ns4.google.com, ns3.google.com, ns2.google.com, ns1.google.com.