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Total

DNS

Email

Security

Network

100

Availability

Domainenergystar.gov

IPv41

IPv60

MX records4

StatusActive

Domain technical report

Homepage | ENERGY STAR

energystar.gov

ENERGY 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.

Generated: 2026-08-08T23:10:47-05:00 · Cached result

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IPv41

IPv60

MX4

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

4 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

134 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: energystar.gov

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

204.47.252.17

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

4 record(s)

55 grid2f6.gseg.att.com.
10 grid2f.gseg.att.com.
50 grid1f6.gseg.att.com.
5 grid1f.gseg.att.com.

TXT

2 record(s)

"facebook-domain-verification=ikcraqe2dno6r77hs7a6jgvhhrhxxz"
"v=spf1 include:_spf.salesforce.com include:_epamail.epa.gov -all"

NS

4 record(s)

dcns2.epa.gov.
dcns1.epa.gov.
nccns1.epa.gov.
nccns2.epa.gov.

SOA

1 record(s)

rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021134799 10800 1080 2419200 900

CAA

2 record(s)

0 issuewild "digicert.com"
0 issue "digicert.com"

DS

2 record(s)

52987 8 2 39C84AC3F47C18DAF3719309E326994AD0AA56FD3AAA3B8710CDA212 4424280C
35770 8 2 837AAB88D553E0710FBA6811BB0E150214899B4C335867A0F8FC4F51 7C7FE46D

DNSKEY

4 record(s)

257 3 8 AwEAAcU17TrsjPu4CVH+RecdxWCaOxicg5xft9/SsBgFzOVkjq7SuZho 8Tzbzap78umYw+PPQL6Kaz5D6kGKr1f5VcCGOkh4kGZ7pPU4/exh0kf4 Az96FAKDtWu28tQPMyCZDNFcytfW+rw03AFwDNScIwFOHmn1HCZuvE91 itKHcM1pCRj/81dsPLXC25RMsSXK0Wn47PKv8EenwrPGo4oxAqfPy37/ zr6Ja7f3txE5okYdcm8Qk8X/GM+K581vC/OJiPxCyze3EjKneXPtNSx4 jpw7rbqnk6MVgJkTYbrjK3brMdj4Ue4lEBwCaxOdaNNaWUrps3G49ln3 KNwOHAuHV0c=
257 3 8 AwEAAbNIq+ecuAzxztRuztNgs+KuKyvDmNbDi4QWM0pACUBsWWD0rgrn wZk93GQ7y376bJyO4j6m3hklRHfufb3tjrQ/x2Njks5389yWitzbdLFJ cZMaU3jcPIeTa6ixf7fRL7TOUR2mvCeBDDdWCDKZObfgKATF/lE+MhA1 zXeRa5w6a32zxAZmXSBLaz2tzkR7q69SSW6TB1kXZpon7I3268D1Ttqw /3/oS7uVVxLS3WAYF4i0zk9KIRr/UNMt5wVtmcT+8yq0yrl2F29M72oQ Aq806m6KGvClyoz8zwyagj9HdPnTDDfD/Fx0XuAPRYrk0GnsinHRfLzc O4pSkToZj4U=
256 3 8 AwEAAdXlsJEFuPioc2rH+H9xqVLmfsGWjOE34XUQ9Ra3BKHTopQUGxU2 WXhjXI3VHRXeG/t1QqgHd6lxOiKpBWDINzmX5JfaJjJDIZBK+1Xqfx47 IXeo2sTTFGGTlzZAmqrPSVnfafw+F8LbgY1rtTjUyxaDfPH5EzUy48Cp 62rXGKlH
256 3 8 AwEAAbIaBVE18jryFTRRRomec59Smq53of8KroY3Od/pxlIxiYwI0EtN qTpT2bkg1ovOSSxC7dsD47LwbA3kAhRnD+4HHkKiEty4dPjk/27h4ml0 DuIdTI/5jngwm83HUFLRvVazGWpTYr/R59vU+fk0RV60sYJN4sHec0VQ OiTT15bp

RRSIG

2 record(s)

DS 13 2 3600 20260810051041 20260808031041 35496 gov. E8kPi6q+BeS/imNpL+JsnZrUO6HT7wngnMC284q3cwUGAIGhua1V4lq+ cfu/nEuIWN405CKOlyVD4DBE8AoBjQ==
CAA 8 2 3600 20260812171532 20260808162356 16021 energystar.gov. A0RD/ZJNJChd13wRcq+O40bo1+uewV9Lab2KnsYVL5Mksx+P32MaYvmp P/pONPaT0Fgn10l6BmtKvvalBuabZWxamHI26uXLp6XscJmRoHNPiUaJ HhzMczSIGNsbNNplUE+B72ibf2Fu5vX6oO8jYlI3ChQSG3dT5urGCCfc mhk=

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf.salesforce.com include:_epamail.epa.gov -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:fgi5dyyz@ag.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:mail-authreports@energystar.gov,mailto:fgi5dyyz@fr.dmarcian.com;

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Homepage | ENERGY STAR

Description

ENERGY 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.

Final URL

https://www.energystar.gov/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.energystar.gov/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

energystar.gov

Valid from

2025-12-21T18:00:00-06:00

Valid until

2026-12-21T17:59:59-06:00

Days remaining

134

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-GCM-SHA384

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

204.47.252.17

191,04 ms

Cloudflare

1.1.1.1

204.47.252.17

150,58 ms

Quad9

9.9.9.9

204.47.252.17

71,70 ms

OpenDNS

208.67.222.222

204.47.252.17

61,82 ms

AdGuard

94.140.14.14

204.47.252.17

68,05 ms

IP, geolocation and ASNAssociated network information

204.47.252.17

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

grid2f6.gseg.att.com

Port 25: Closed/unreachable - 10.1 ms - 
Port 465: Closed/unreachable - 17.4 ms - 
Port 587: Closed/unreachable - 33.1 ms -

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