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85
Total
75
DNS
90
Email
84
Security
65
Network
100
Availability
Domainosha.gov
IPv44
IPv60
MX records1
StatusActive
Domain technical report

Home | Occupational Safety and Health Administration

osha.gov

Generated: 2026-08-08T19:50:11-05:00 · Cached result

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IPv44
IPv60
MX1
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 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 propagation0 / 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

77 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: server-3-170-185-100.ord58.r.cloudfront.net

✓
IPv4 diversity35 / 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

4 record(s)
3.170.185.100
3.170.185.77
3.170.185.69
3.170.185.49

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 osha-gov.mail.protection.outlook.com.

TXT

1 record(s)
"v=spf1 ip4:152.180.10.142 include:mtas.dol.gov include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com -all"

NS

6 record(s)
a10-66.akam.net.
a5-64.akam.net.
a6-65.akam.net.
a24-67.akam.net.
a7-66.akam.net.
a1-165.akam.net.

SOA

1 record(s)
a1-165.akam.net. hostmaster.osha.gov. 2022050455 43200 300 604800 300

CAA

0 record(s)
—

Not configured

DS

1 record(s)
20948 13 2 3E572E7F5C8072CBE592DED25668E29E79EBC5447978BD9FC22CD1C4 CDB9C8B2

DNSKEY

3 record(s)
256 3 13 BEL2oxL0+n7e28ITm+inSH18I8gO1PKBMtxcqFFxo/bLReRM3u8gUeTv //Qt1iQKxr0TLvxb9Z4q7hl+aCWgyA==
256 3 13 /dldNB8DKHIjEBnp/xCz9vPLK57T+mn+DLDnB+HPgDeKCEXL0YjvsZFX 6fHdzuBA8zfC/Lqo4jkunwzQodpxCg==
257 3 13 xMgMIS+sBbfp105gmqsvQ0IHUx4VQMvuE1Ph+aUpKWhh4cGhOiICkulz ISWFCSrnKq7TWJl0O7gClS1tgS1r+g==

RRSIG

7 record(s)
TXT 13 2 300 20260811203519 20260808193519 5864 osha.gov. hxKe5/AhM3zv7d7wf313AtrJyBZT2EUF0tonKDuDjpxHADUyJD2jfnxq 6jYzkjrwUwT35TNKmuhpRRqgI1yNkQ==
NS 13 2 86400 20260811203519 20260808193519 5864 osha.gov. RAlwCWrpHqjehYvL06SPRAJtw1qRmZh6NUGhOGaEE0cJyKiMu5XlQfmo tob4xvKDzhr1HlvoNWAsKHehh4+mrA==
SOA 13 2 300 20260811203519 20260808193519 5864 osha.gov. YODe61ico7LQKY6Bn5atEJNIIoU30yo8GyJmCuA9V0Sy/VhVpfaiPCI/ m27DzQbCvsVKkkWkzppbVyuEOIFtYA==
DNSKEY 13 2 7200 20260811203519 20260808193519 20948 osha.gov. n7g1eNZCguy95srDWFrSentJncmwrMj+Gn2hsbIv5Y7yl09sHf5ZcXmi HLaSHqsIvQIWrfllxI6aV0SVnGR3eQ==
MX 13 2 300 20260811203519 20260808193519 5864 osha.gov. 04//2zWGvylDW6RfIVX2an8AghgVdAfacREiNsTWPLACWIIlrkxpK9eX EhSNOu6n7ZuazHoTCHgTJe+oQvP+uQ==
DS 13 2 3600 20260810015001 20260807235001 35496 gov. HvH3biXH9cznYvkLOzs4mvPUc8sjwE0LcdbATuwEVfVMSHMnR1xVw3lL ffxaGIKWw86vqSFDtDoqtXJ3to9BHA==
NSEC3PARAM 13 2 300 20260811203519 20260808193519 5864 osha.gov. SuNJnPMZfVxLFJv5t3U3/AxjOJGZxyv3UHWGD3aw814siXLl6ZTAzlxz aJm/7ADI+AutK2tsiKmpzyytjjwdvA==

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 ip4:152.180.10.142 include:mtas.dol.gov include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com -all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:dmarc@osha.gov,mailto:reports@dmarc.cyber.dhs.gov; adkim=r; aspf=r; pct=100; ri=86400

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjkf2cIzvB+jeF27smiTPE442b5fFbNQ3TDb8/ZaLW2WKQlZZpeuloYArLuFYUdEvOsFdPSJqLvqgA++l/7I4Gwsu2G/xjCpeONEg18ZjbuFR88FQOnmUnzGnvvyIc6ORcHIl7I090cwRfolznwNhUYYTM2L2b25yn6D7lVvc7/wIDAQAB; n=1024,1456436065,1472160865

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Home | Occupational Safety and Health Administration
Description
Final URL
https://www.osha.gov/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.osha.gov/
Version
3
Server
CloudFront
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
osha.gov
Valid from
2025-09-25T19:00:00-05:00
Valid until
2026-10-25T18:59:59-05:00
Days remaining
77
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

5 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
3.170.185.100, 3.170.185.49, 3.170.185.69, 3.170.185.77
36,52 ms
Cloudflare
1.1.1.1
3.170.185.100, 3.170.185.49, 3.170.185.69, 3.170.185.77
40,69 ms
Quad9
9.9.9.9
18.64.67.103, 18.64.67.24, 18.64.67.33, 18.64.67.63
164,88 ms
OpenDNS
208.67.222.222
3.170.185.100, 3.170.185.49, 3.170.185.69, 3.170.185.77
238,11 ms
AdGuard
94.140.14.14
13.35.78.28, 13.35.78.32, 13.35.78.47, 13.35.78.59
62,79 ms

IP, geolocation and ASNAssociated network information

3.170.185.100

No data
success
No
country
region
city
asn
organization
isp

3.170.185.77

No data
success
No
country
region
city
asn
organization
isp

3.170.185.69

No data
success
No
country
region
city
asn
organization
isp

3.170.185.49

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

osha-gov.mail.protection.outlook.com

Port 25: Closed/unreachable - 18.2 ms - 
Port 465: Closed/unreachable - 4020.6 ms - 
Port 587: Closed/unreachable - 4009.3 ms -

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