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83
Total
85
DNS
70
Email
84
Security
65
Network
100
Availability
Domainecfr.gov
IPv42
IPv60
MX records0
StatusActive
Domain technical report

eCFR :: Home

ecfr.gov

Generated: 2026-08-08T22:19:40-05:00 · Cached result

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IPv42
IPv60
MX0
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 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 records0 / 20 pts · Mail

0 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

184 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: ad537c76ef3912567.awsglobalaccelerator.com

✓
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

2 record(s)
75.2.36.59
99.83.174.136

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

4 record(s)
"x7mlw82nqd2gmdb9fzh8m481tqhnlz95"
"v=spf1 -all"
"7q2vv5cbhxyxb2ktymvrp6n1bwhjdwgf"
"vv7jjnf86zl8ss6f6brx1zl125s52vwk"

NS

2 record(s)
ns2.ecfr.gov.
ns1.ecfr.gov.

SOA

1 record(s)
ns1.ecfr.gov. dns.cloudflare.com. 2411283965 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 ECE575A8544F0F890BA9D891E3685F0F84328691B11294FEE80B67B4 58ACEAA3

DNSKEY

2 record(s)
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

0 record(s)
—

Not configured

NSEC

1 record(s)
\000.ecfr.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 -all

DMARC

Configured
v=DMARC1; p=none; pct=100; ri=3600; rua=mailto:eCFR.gov_support@gpo.gov; ruf=mailto:eCFR.gov_support@gpo.gov; fo=1

DKIM

Selector m1
k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKT1r7rRCgl+QEBueZqYHlqHcHf8cL/bVyRGi1ikcRFJIPHB5edjFjfksbGJLkTrFjypwC/bW53zyD2dJ7gCOS4dVKyy5z9qBUaswbcpQhuRzuh3AoLDToixNSfPqo4fvkCZTf+oLpebmKmIyzPW23vS4I01bup/jRsLsLXitI0wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
eCFR :: Home
Description
Final URL
https://www.ecfr.gov:443/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://unblock.federalregister.gov/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
ecfr.gov
Valid from
2026-07-26T19:00:00-05:00
Valid until
2027-02-09T17:59:59-06:00
Days remaining
184
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
75.2.36.59, 99.83.174.136
73,89 ms
Cloudflare
1.1.1.1
75.2.36.59, 99.83.174.136
47,30 ms
Quad9
9.9.9.9
75.2.36.59, 99.83.174.136
46,85 ms
OpenDNS
208.67.222.222
75.2.36.59, 99.83.174.136
40,08 ms
AdGuard
94.140.14.14
75.2.36.59, 99.83.174.136
53,20 ms

IP, geolocation and ASNAssociated network information

75.2.36.59

No data
success
No
country
region
city
asn
organization
isp

99.83.174.136

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

ecfr.gov

Port 25: Closed/unreachable - 3.4 ms - 
Port 465: Closed/unreachable - 4003.6 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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