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Total

100

DNS

Email

Security

Network

100

Availability

Domaindc.gov

IPv42

IPv62

MX records1

StatusActive

Domain technical report

| DC

dc.gov

Generated: 2026-08-09T00:53:08-05:00 · Cached result

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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

84 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 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)

104.18.36.77
172.64.151.179

AAAA

2 record(s)

2606:4700:440d::6812:244d
2a06:98c1:3106::ac40:97b3

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 dc-gov.mail.protection.outlook.com.

TXT

31 record(s)

"google-site-verification=AXoqidDApMHPKwrl6oNf7GelPMt9l67o915CPlr2puE"
"e2ma-verification=48kgb"
"atlassian-domain-verification=SCPCosHrMpfZMNEZ7IYaUq6Ac5ppg2hur0/fPcugNgMjTanjqPmmMnGaHI/Wqs9n"
"apple-domain-verification=bUVKiynGDHggfm2M"
"duo_sso_verification=XP4aA0C8Q05cQKgtcvIiRCepIAA7GqfPFdrdrMi0IkloIX6X1z0NSDVrwxSSY5Cg"
"z0h7s6hh9j22hkmh0nnfgynl8sbbbflq"
"nintex.63ab41b73ec889c959e10f0f"
"xsplit_verify=iW959K7ib3vWMz39vOZZeW8D634c2nOHhYHL"
"01e0423e-2961-414b-9bbe-6112c73d4e4b"
"cisco-ci-domain-verification=466b7642db91eb6b16a8cfabe7f95d22cec5e3517fefbe798297cd150865ed04"
"1a18a358-3fe8-448f-966e-12bc9cab47bb"
"adobe-idp-site-verification=264b923e-12ae-4166-ab00-02887d548e49"
"jamf-site-verification=4LYTG9FpSuz2D73suCGpmA"
"_qypuppcst3hdm3exdjfptuegikgiuym"
"d21267d5-b0d5-4ad8-899e-bf9671bddd90"
"_hrc9ytg6gmss9lnzdx3jwwg2ko0mq8e"
"e2ma-verification=0ftgb"
"v=spf1 include:spf.dc.gov include:spf.protection.outlook.com include:_spf.salesforce.com include:mail.zendesk.com include:spf_c.oraclecloud.com include:email-od.com ip4:142.0.180.170 ip4:142.0.186.121 ip4:23.253.203.171 ip4:104.13" "0.219.135 ip4:104.130.219.250 ip4:104.130.198.37 ip4:23.253.213.135 ip4:104.130.70.233 ip4:65.196.93.7 ip4:70.33.172.36 ip4:68.232.145.191 ip4:216.71.152.242 ip4:66.159.241.179 ip4:66.159.2" "39.151 ip4:38.120.135.35 ip4:216.200.231.226 ~all"
"3pcp1p4wfqv20kddcyv1vyfsw24tbb5l"
"e2ma-verification=ke0cb"
"0623ce5ff4a54aac0bf3aee8028c6916"
"atlassian-domain-verification=HBFa0J1nnLYQXtaF6A4FUobWV5aGo9vDIcZNpCBrknhg2Hqlc5azAuLLFmAR78Hb"
"atlassian-domain-verification=CluP9fDYk2ngB7am1rTvO9A1kMabQkb/TkYPQczNQbsRNxbyUs8vcNBINaF7hW2v"
"docusign=d9af5032-0a97-4165-9917-dff3d6a7db15"
"ca3-3043cd8cf3294d9dbb74306c1be8268e"
"e2ma-verification=eqdcb"
"_ru7oasmkxjqmvd1sq6egawf38c55g9h"
"f2d5c8ee-f8c7-4225-bf4d-ca3182d90521"
"miro-verification=facd5cba00b67cf22e44a894772f03a83229caa8"
"e2ma-verification=3pdcb"
"adobe-sign-verification=258c2dc712ea1a1cd7c46c46f54b6805"

NS

3 record(s)

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

SOA

1 record(s)

gold.foundationdns.com. dns.cloudflare.com. 2411740364 10000 2400 604800 1800

CAA

10 record(s)

0 issuewild "comodoca.com"
0 issue "comodoca.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issue "ssl.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "ssl.com"

DS

1 record(s)

2371 13 2 5E8ECE65CCF6E00E2BD5DAB3F6CE847A68DECF737170D96FE96944EA 4A683430

DNSKEY

2 record(s)

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

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.dc.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:spf.dc.gov include:spf.protection.outlook.com include:_spf.salesforce.com include:mail.zendesk.com include:spf_c.oraclecloud.com include:email-od.com ip4:142.0.180.170 ip4:142.0.186.121 ip4:23.253.203.171 ip4:104.130.219.135 ip4:104.130.219.250 ip4:104.130.198.37 ip4:23.253.213.135 ip4:104.130.70.233 ip4:65.196.93.7 ip4:70.33.172.36 ip4:68.232.145.191 ip4:216.71.152.242 ip4:66.159.241.179 ip4:66.159.239.151 ip4:38.120.135.35 ip4:216.200.231.226 ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:7c49d5f3d6194db49bf345f0d57abd49@dmarc-reports.cloudflare.net,mailto:dcocto@us.cp-dmarc.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA13S70a8+AHTj/7YEHKtntWYuvs4si51IrdzqJ9zUNgWnsN4IroaJ4DJGZRpg0H22Q6o0Np5ZDvgofjjohVHwzV4VWf7k4OK79+8EqSKuZ2m2D53UTYq3ZCOqSN8NzRPyqxbX+IraNJp8OfzQbr7aT/V2LUuzwfSRmLnqqD1PrOb2FKbVW0OhQD6aqOhqALqS4HMo3svabcjCLUAQdWcBLZLyYP3HN62kKUgBgEAgOHfFhE30ojzpNC53qzB4S4VXPCZhE676pAka0f1ALwEoZ1XfQsq/61TL5vdgZMxtxQlngI0HvP5xvoF1zc3pCkbpQNIhauoI9JP0QRSfoWDfcQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

| DC

Description

Final URL

https://dc.gov/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://dc.gov/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

dc.gov

Valid from

2026-08-03T15:20:52-05:00

Valid until

2026-11-01T15:20:37-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

3 active

—

HSTSNot detected

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

✓

Permissions PolicyImplemented

—

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

104.18.36.77, 172.64.151.179

64,93 ms

Cloudflare

1.1.1.1

104.18.36.77, 172.64.151.179

47,11 ms

Quad9

9.9.9.9

104.18.36.77, 172.64.151.179

38,19 ms

OpenDNS

208.67.222.222

104.18.36.77, 172.64.151.179

37,05 ms

AdGuard

94.140.14.14

104.18.36.77, 172.64.151.179

43,45 ms

IP, geolocation and ASNAssociated network information

104.18.36.77

No data

success

country

region

city

asn

organization

isp

172.64.151.179

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

dc-gov.mail.protection.outlook.com

Port 25: Closed/unreachable - 22.7 ms - 
Port 465: Closed/unreachable - 4041.8 ms - 
Port 587: Closed/unreachable - 4017.5 ms -

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