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Total

100

DNS

Email

Security

Network

100

Availability

Domainuspto.gov

IPv42

IPv62

MX records1

StatusActive

Domain technical report

United States Patent and Trademark Office

uspto.gov

Home page of the United States Patent and Trademark Office's main web site.

Generated: 2026-08-08T19:25:40-05:00 · Cached result

JSON CSV PDF Visit site

IPv42

IPv62

MX1

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

46 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 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

2 record(s)

172.64.152.64
104.18.35.192

AAAA

2 record(s)

2a06:98c1:3101::6812:23c0
2a06:98c1:310c::ac40:9840

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

5 uspto-gov.mail.protection.outlook.com.

TXT

15 record(s)

"jetbrains-domain-verification=8sj6e0d8s6q4fvu86jcfzp0g5"
"MS=ms28666523"
"_qf2w9oo2ieh425rh0b6gjpp829vih2b"
"facebook-domain-verification=6wqv4rmxkothypv5gij5080967l5ws"
"webexdomainverification.7PUPU=2a587b5a-c181-4a6c-9d10-a13dcaa747bd"
"ms-domain-verification=725c3c35-24ef-43fd-a26b-2736d7cea1a6"
"apple-domain-verification=DQ6lsHErU2gvVyqF"
"SnTiaz2QHOuDsjncHy2wc6dZmnzEFxbqKLWgzzrfBidPblmIGRxS9jP28Zb4xPjhhlE2YBm98Mu+DhbxxGOa7A=="
"3FKeZ5CH9TEaLgiiioa9/iDVB0WPJofaHBuumk1YRmcuggWFX3v3gDlSw5uSIbaSuvm/FsOYPRzhM87BHQ+ImA=="
"adobe-idp-site-verification=fd06710ade06e49a5be3b877d16463b3f5f050a1e54eaaa1daff14f8da83993f"
"perplexity-ai-domain-verification-7tdkgd=M7VyHULqPpVV3g4SsM4BNc1mR"
"v=spf1 include:uspto.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email include:spf.protection.outlook.com -all"
"_ib4pu1ottna05el605hns0p62bwkg2g"
"google-site-verification=MB6vnwbxkyN6STcgBAa5U-W1H7VhU62fSuT95KrWhlk"
"google-site-verification=5eOb2YylR8fDTIkmIs3N0CaJ_IHjjikNS-Z7BDb9jvw"

NS

3 record(s)

gold.foundationdns.net.
gold.foundationdns.com.
gold.foundationdns.org.

SOA

1 record(s)

gold.foundationdns.com. dns.cloudflare.com. 2411630964 10000 2400 604800 1800

CAA

6 record(s)

0 issue "pki.goog"
0 issue "amazon.com"
0 issue "amazontrust.com"
0 issue "awstrust.com"
0 issue "amazonaws.com"
0 issue "digicert.com"

DS

1 record(s)

2371 13 2 66842EFB61774C93E103011A7EAE6A3115D2202D4D212E7B0CEAA4E5 71524AE4

DNSKEY

2 record(s)

256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

4 record(s)

DNSKEY 13 2 3600 20260922023118 20260723023118 2371 uspto.gov. 5tcFVfz287BKLc48Uax21PSE9rl7Cz9Gtt6DsmEWixc8NrHbix/YO7nH tEa/cmaGdSCAEuv/5q8UU+prOZY8Xg==
MX 13 2 7200 20260810012530 20260807232530 34505 uspto.gov. fRN5siVVk3wxIPDyPS3mc8zPd3OTeriv6Co7ZI2If4SJmKqkivs8Q9V0 u0nukkyOTw+RhzuetjfOdUKhiEw+1Q==
DS 13 2 3600 20260810012530 20260807232530 35496 gov. V3iRbtLw6QP+97t1rS+CH2Wx43Igwctz8WdBLfSV/nhFnYPG7xoS4m2i gIBgD3W62REXsu9Wl0W7na0YGEGNwQ==
CAA 13 2 7200 20260810012530 20260807232530 34505 uspto.gov. yvKL/1owbEy+MYYSwyGLE8rycGxaWbo9nsGTsp+tGgDVSEvX6ih+oeIx MSts9iPDLNuWvV9dPIwpDnAWyjioHw==

NSEC

1 record(s)

\000.uspto.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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:uspto.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email include:spf.protection.outlook.com -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:dmarc_agg@valigov.email,mailto:dmarc_reports@uspto.gov,mailto:reports@dmarc.cyber.dhs.gov

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4h0AmEdcYMpIntfjyQyV1uglkW0JfxHCsovEXWtbTPiHdYUVQDwGyJ0l0zSF+W9NHlEFRtbP+ecWotr18QnMN1Bs8/0HlBFcxSi92UtIOgO8v7+Aem2u1rQLvtYNp8ZjZTOe+oxWNZvxfymXAw+KqRSkbSGJcjVQQ1PAsqtpw+QIDAQAB; n=1024,1456438036,1472162836

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

United States Patent and Trademark Office

Description

Home page of the United States Patent and Trademark Office's main web site.

Final URL

https://www.uspto.gov/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.uspto.gov/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

uspto.gov

Valid from

2026-06-25T19:42:27-05:00

Valid until

2026-09-23T20:42:23-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

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

104.18.35.192, 172.64.152.64

57,43 ms

Cloudflare

1.1.1.1

104.18.35.192, 172.64.152.64

49,62 ms

Quad9

9.9.9.9

104.18.35.192, 172.64.152.64

34,22 ms

OpenDNS

208.67.222.222

104.18.35.192, 172.64.152.64

31,39 ms

AdGuard

94.140.14.14

104.18.35.192, 172.64.152.64

56,77 ms

IP, geolocation and ASNAssociated network information

172.64.152.64

No data

success

country

region

city

asn

organization

isp

104.18.35.192

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

uspto-gov.mail.protection.outlook.com

Port 25: Closed/unreachable - 35.5 ms - 
Port 465: Closed/unreachable - 4026.2 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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