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Total

DNS

Email

Security

Network

Availability

Domaindot.gov

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Access Denied

dot.gov

Generated: 2026-08-08T19:24:25-05:00 · Cached result

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IPv41

IPv60

MX1

NS6

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

6 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 policy0 / 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

100 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

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 response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

204.68.196.12

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

1 dot-gov.mail.protection.outlook.com.

TXT

16 record(s)

"6gs1vs2jzkd4ky3dcndfdmcf21ddxj0p"
"_fvsc84ser6lko7ohn62zgqkvcq85gp8"
"_b926kcembsrd2ek4cyba1ndl3hxblnl"
"aD54BF4xtfbU/hK9XqwemHvFwIn923rLW9oa7aMjSaPGDlHKtKF3KnhepkTeYsLuEMdOVuO3RDo/IH6gJpM+kQ=="
"v=spf1 a mx include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_ip4spf.dot.gov include:_spgranicus.dot.gov include:_spf.google.com ip6:2001:19e8:d:0:204:68:194:50 ip" "6:2001:19e8:d4:0:204:152:44:20 ip6:2001:19e8:d:0:204:68:194:52 ip6:2001:19e8:d:0:204:68:194:51 ip6:2001:19e8:d4:0:204:152:44:21 ip6:2001:19e8:d:0:204:68:194:53 ~all"
"3fx51jzw0dcc5bvwmtn1lz021gz2qhxm"
"atlassian-domain-verification=FXR5GGBCdDwdaQvAVJg4Ci4xYsdTHna2AQ8SuaGrPbt6jagocMxN0nMPx10ZluSL"
"_uuvrnzshx0botn6f76i2xdbcdmskkni"
"fj6d6z3qvchx0ld3t4c67zqvjf7hqn0b"
"apple-domain-verification=HT8c9nRGfnIu6NCJ"
"MS=ms26367269"
"box-domain-verification=28e72c657009fce1cc4b41cd075ad013ffc964f459ad1ea507272403c9313f16"
"_mr1ztrx2wuijccdbvlehpvj784eeqca"
"paloaltonetworks-site-verification=260148d548b261d1e519e88fe9950c5798d6523cd3b8f5017afdf67f6afca87f"
"_ve2dqaw8ledzzbage6dyzpryvms84c4"
"DvJkvb1Hi8onaHmhg9wO0TuoOcYFUoPXwshxGuB5Vqf1uE/T+YJfJvWGLSh3gatzXD12xt3ODFXl8Xs2+jCstw=="

NS

6 record(s)

a24-64.akam.net.
a5-65.akam.net.
a12-64.akam.net.
a1-97.akam.net.
a14-64.akam.net.
a11-65.akam.net.

SOA

1 record(s)

dot-dca-edns-wz01.idn.dot.gov. hostmaster.dot.gov. 2011219512 3600 360 604800 300

CAA

0 record(s)

—

Not configured

DS

1 record(s)

50720 13 2 15166B33ECEBBC62DAB9D9003044ADB778310683A6EF49AD4947D447 F8556B0C

DNSKEY

4 record(s)

256 3 13 RevaUTfLprP+lfcxy1pGXYovKbWOIG6XBBsrc14LF4zQCmSYhmU9sfk6 L2R6wMpw2ZgRIGJVKOwwnkCY7y/XOA==
257 3 13 bwneM6mEHST7n/ksLDEeI+CohUTPuL/G9yryr+eaiqy2Ub9PS5ePi0qm 6xm4gkTV19g3YWup9vArDVxb1s7Jkw==
256 3 13 MHtRS139jKPXq7ZU4ZX5vlYthhAIr5S0NAZQYxssC7QeZJQAaqKKDse6 FOq4ePMrV4bDbew9UgLtdB94mHctkg==
257 3 13 eA23z/376sHkr54XOO+ZIY55x9MIEQcYTjJa5gYdFSUHbGJdwQc9xvpC 5YcLnEshQwqR9b5utNsv035WQznQsA==

RRSIG

6 record(s)

DNSKEY 13 2 7200 20260812001753 20260808231753 17616 dot.gov. pCdKZWRoXgYbOaTzDQH8FSBXbDbI7GeuVBOPF2zIuT9uoRdDe83+sTPP lRFOBv4B1fpIW2y+1PWZkqiwWzLF/A==
DNSKEY 13 2 7200 20260812001753 20260808231753 50720 dot.gov. 8Licf2/QhQ73r+q93F8+J8eN5mL7c4rR7K2VYwkELFFCyhbh/JdSpaNa u+5yxGEPttER2aZ3I3U5Vm/krPwVig==
NS 13 2 600 20260812001753 20260808231753 29743 dot.gov. lA/wb7y5aSA24R4b0s9Q7FtnUBdX22WpEX9DwJ5B2p65B/5FqLZabcly TSFElohl595kYiESjMGsJ34tz0UjwQ==
SOA 13 2 600 20260812001753 20260808231753 29743 dot.gov. yXm2Os+f3rE9wbr6SS53kTURCNppnD8RrZbxlQ9HObvMJ3PcLktbIJuR R8zFnHBpR0BKk41x8ZUAFRpCR6xCyw==
TXT 13 2 600 20260812001753 20260808231753 29743 dot.gov. OQocvBRr7GromXvUh0aftj3o7XMtt7qIjfrRli3DUTtKOdlNERDldtsI ihB1Tq4OFIf3GcfeK0S29QKHAGVyhQ==
MX 13 2 600 20260812001753 20260808231753 29743 dot.gov. 4azOMRuQkJKwY/zwIovRSJSCCDYfF9QFiGq9D0Tahd5Zb9d/rix5/8mX yGhcLk/sr5HziydFcC1TlESOd+nudA==

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 a mx include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_ip4spf.dot.gov include:_spgranicus.dot.gov include:_spf.google.com ip6:2001:19e8:d:0:204:68:194:50 ip6:2001:19e8:d4:0:204:152:44:20 ip6:2001:19e8:d:0:204:68:194:52 ip6:2001:19e8:d:0:204:68:194:51 ip6:2001:19e8:d4:0:204:152:44:21 ip6:2001:19e8:d:0:204:68:194:53 ~all

DMARC

Configured

v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; ri=43200; rua=mailto:dmarc_reports@dot.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarc_reports@dot.gov

DKIM

Selector selector2

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDl/oGOgiu4QfW3K9ON+GAsRllOBW22/yfb8LAj3HkTSvcThyknrEjLgw4s6gi13pC0Jpj4WcxM7xCewD14JuF530nYJ+dLSBaAokLtKYqGvkxGerchEf0Pyj0Bmh3ZkERdy8XGQ+zwjmAKVT/zVeLvyNuYXGBpwZceTmobJEtOBQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Access Denied

Description

Final URL

https://www.dot.gov/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://www.dot.gov/

Version

Server

AkamaiGHost

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Entrust Limited

dot.gov

Valid from

2025-11-16T18:00:00-06:00

Valid until

2026-11-17T17:59:59-06:00

Days remaining

100

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

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

204.68.196.12

72,27 ms

Cloudflare

1.1.1.1

204.68.196.12

52,86 ms

Quad9

9.9.9.9

204.68.196.12

90,82 ms

OpenDNS

208.67.222.222

204.68.196.12

32,35 ms

AdGuard

94.140.14.14

204.68.196.12

61,47 ms

IP, geolocation and ASNAssociated network information

204.68.196.12

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

dot-gov.mail.protection.outlook.com

Port 25: Closed/unreachable - 24.3 ms - 
Port 465: Closed/unreachable - 4047 ms - 
Port 587: Closed/unreachable - 4055.7 ms -

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