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Rank #1,959Updated November 10, 2026

energystar.gov

Homepage | ENERGY STAR

energystar.gov is registered with get.gov since October 2, 1997 (29.1 years). The registration expires on September 5, 2027. The site runs on Drupal, Amazon CloudFront, PHP and 3 other technologies. Its email security grade is C. Its SSL certificate is issued by DigiCert Inc and is valid for 42 more days.

Domain age
29.1 yrs
Technologies
6
Email security
C
SSL days left
42

Registration

Registrarget.gov
IANA ID8888888
RegisteredOctober 2, 1997
ExpiresSeptember 5, 2027
UpdatedAugust 14, 2026
Statusserver transfer prohibited
Name serversdcns1.epa.gov, dcns2.epa.gov, nccns1.epa.gov, nccns2.epa.gov
DNSSECSigned
RegistrantEnvironmental Protection Agency, United States

DNS records

TypeValueTTL
A204.47.252.173600
MXgrid1f.gseg.att.com 53600
MXgrid2f.gseg.att.com 103600
MXgrid1f6.gseg.att.com 503600
MXgrid2f6.gseg.att.com 553600
NSdcns1.epa.gov3600
NSdcns2.epa.gov3600
NSnccns1.epa.gov3600
NSnccns2.epa.gov3600
CAAissue 0 digicert.com3600
CAAissuewild 0 digicert.com3600
TXTfacebook-domain-verification=ikcraqe2dno6r77hs7a6jgvhhrhxxz3600
TXTv=spf1 include:_spf.salesforce.com include:_epamail.epa.gov -all3600

Technology stack

Programming language
Security
Web server

Analytics and advertising IDs

google_tag_manager:GTM-L8ZB

Other sites using the same IDs: epa.gov

SSL certificate

ValidValid
IssuerUS, DigiCert Global G2 TLS RSA SHA256 2020 CA1, DigiCert Inc
ExpiresDecember 22, 2026
Days remaining42
ProtocolTLSv1.2
Namesenergystar.gov, www.energystar.gov, portfoliomanager.energystar.gov, cmadmin.energystar.gov, downloads.energystar.gov, eses.energystar.gov, essearch.energystar.gov, esws.energystar.gov, beta.energystar.gov, auth.energystar.gov, data.energystar.gov, ipv6.energystar.gov

Email security

CScore 70/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
  • 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 rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
  • good4 MX record(s) found.

Homepage metadata

TitleHomepage | ENERGY STAR
DescriptionENERGY STAR® is the simple choice for energy efficiency. For more than 20 years, EPA’s ENERGY STAR program has been America’s resource for saving energy and protecting the environment.
Languageen
Canonicalhttps://www.energystar.gov/
IndexableYes
Word count378

About energystar.gov

Who is the registrar of energystar.gov?

energystar.gov is registered with get.gov (IANA ID 8888888).

When does energystar.gov expire?

The current registration of energystar.gov expires on September 5, 2027. It was first registered on October 2, 1997.

What technology does energystar.gov use?

We detected 6 technologies on energystar.gov, including Amazon CloudFront, Drupal, PHP, HSTS, Google Tag Manager, Nginx.

Does energystar.gov protect its email with SPF and DMARC?

energystar.gov scores 70/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of energystar.gov?

energystar.gov uses dcns1.epa.gov, dcns2.epa.gov, nccns1.epa.gov, nccns2.epa.gov.