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87
Total
100
DNS
70
Email
84
Security
70
Network
100
Availability
Domaingentoo.org
IPv45
IPv65
MX records1
StatusActive
Domain technical report

Welcome – Gentoo Linux

gentoo.org

The website of Gentoo, a flexible Linux distribution.

Generated: 2026-08-09T01:48:18-05:00 · Cached result

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IPv45
IPv65
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

5 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

5 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

4 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.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

66 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 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

5 record(s)
151.101.129.91
151.101.65.91
151.101.1.91
151.101.193.91
140.248.153.91

AAAA

5 record(s)
2a04:4e42:400::347
2a04:4e42:600::347
2a04:4e42:96::347
2a04:4e42::347
2a04:4e42:200::347

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 mail.gentoo.org.

TXT

6 record(s)
"google-site-verification=TghnZBoJySbGjLcdxG0LaQW4CEySKKUn-joa4u72Z2Q"
"v=spf1 a:smtp.gentoo.org a:lists.gentoo.org a:liststest.gentoo.org include:_netblocks.spf.gentoo.org include:%{l}.%{o}.spf.gentoo.org ?all"
"hibp-verify=dweb_tb9fks1uzgj4gl7mh1cvlazr"
"google-site-verification=WjowzRhWnytv0y7RnR9sAJFzAP5KDikCubfMt83FaCo"
"google-site-verification=STcs6DxN7jSUEFJzJ7O9KzcsuHxX3Oq1jk_ua2xV64E"
"have-i-been-pwned-verification=6b3f8fa57575612e2a08a985549020c9"

NS

4 record(s)
ns3.gentoo.org.
ns1.gentoo.org.
ns2.gentoo.org.
ns4.gentoo.org.

SOA

1 record(s)
ns1.gentoo.org. hostmaster.gentoo.org. 1786243581 3600 3602 604800 3600

CAA

2 record(s)
0 issue "letsencrypt.org"
0 iodef "mailto:infra@gentoo.org"

DS

1 record(s)
57312 14 2 E8FB42530AB8EF8FDE2B25253CC28B8AD27167B66B09D077ACA45FBB 02B517F6

DNSKEY

3 record(s)
256 3 14 lwU3M6NMGzJlEE26dtODyp+EPFEutgoOGkMeHuvTnmf7RL1hiJiP0BeR ZsDrVgC6M9VwLvy91QedM364ksADpOGgK3NGdhs0eVpauYf6BFqbN1uZ jdUyVqK/BKxThbs4
257 3 14 GsQmIva7gCAi+klFNS5IcfMZZJj3HUfJ3qaheFJ9rFRXDFzAu+CIzxU1 XZ10jFcGruhlH60vW5xcoHXG8kchbWLCA3uZlp051Y0gyXgVwcqqb/WR cz1Ra5xVpsX993fQ
256 3 14 Ne/dq0bSrS9rS+w0nQnKerlwvwMfpc97amSzuUwE/KWECT8w2mM2++CS z/7alsFmjrZiAUI9ZrA1/6/EtGr8J/nt8DWdWC9M8Lhb74KFjiARvxkj JwsjCCiESH+bvX2Z

RRSIG

4 record(s)
SOA 14 2 86400 20260823024621 20260809014621 64920 gentoo.org. E4LUOPEW4cpUgf5KLZV41WSmYkQW6tSBlIZNgtQXnBod/8l/Uu30R3Gw jt+4+16mHsiPgVEutrkdGmL+iAWUxmCSgKns7UbNCa+If3ZxSFUpGUxV VWNS7owIt9F6vREj
NS 14 2 86400 20260821040549 20260807035929 64920 gentoo.org. Y7ZLQdl9lPN1gbKkMzp73fgkXD5WQIJOZ3FiW1Eqt2J6mqDLM5sURPo1 RHYh+XVMg6k8am5Ps7AUrK39QmUu6TuGHo4+IK8Rco9FOj3zrxmCVfYQ Bxm7TXAq+jqI6MLP
TXT 14 2 7200 20260819141012 20260805132240 64920 gentoo.org. oG2+ZVE6KpKGBYWoJldYnDYOIcGap7x+X08Zrw8T6mVs6z3HXBjdzTxC 9TCvCdhzr416lOQX1/vNuggbF7KdrYYV35+SKByaAidI4LNyznTQU6Ve OlAGjVIPhclBdOPR
DS 8 2 3600 20260822152352 20260801142352 44925 org. CdgNOai/0tCBcw7H3hVcV/CgnfhhTKn5YJQPQvDAIxfm23GxgRtERIJO UVbmoxSyut+4R6t7bo+XT0ihpKhMJxSJ1+NvKOSQWTqPWD4wuYQsSYmP Q8HtRId4HqZPHYH4vpl0xoTLtXr3xbjRe1f5unz77gPFP6MgCu79ZA1z TmE=

NSEC

1 record(s)
7lpqgh25l54w.gentoo.org. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY CDS CDNSKEY HTTPS CAA TYPE65534

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:smtp.gentoo.org a:lists.gentoo.org a:liststest.gentoo.org include:_netblocks.spf.gentoo.org include:%{l}.%{o}.spf.gentoo.org ?all

DMARC

Configured
v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Welcome – Gentoo Linux
Description
The website of Gentoo, a flexible Linux distribution.
Final URL
https://www.gentoo.org/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.gentoo.org/
Version
3
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
www.gentoo.org
Valid from
2026-07-16T14:00:44-05:00
Valid until
2026-10-14T14:00:43-05:00
Days remaining
66
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

5 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
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
140.248.153.91, 151.101.1.91, 151.101.129.91, 151.101.193.91, 151.101.65.91
205,94 ms
Cloudflare
1.1.1.1
140.248.153.91, 151.101.1.91, 151.101.129.91, 151.101.193.91, 151.101.65.91
60,30 ms
Quad9
9.9.9.9
140.248.153.91, 151.101.1.91, 151.101.129.91, 151.101.193.91, 151.101.65.91
152,34 ms
OpenDNS
208.67.222.222
140.248.153.91, 151.101.1.91, 151.101.129.91, 151.101.193.91, 151.101.65.91
97,49 ms
AdGuard
94.140.14.14
140.248.153.91, 151.101.1.91, 151.101.129.91, 151.101.193.91, 151.101.65.91
53,57 ms

IP, geolocation and ASNAssociated network information

151.101.129.91

No data
success
No
country
region
city
asn
organization
isp

151.101.65.91

No data
success
No
country
region
city
asn
organization
isp

151.101.1.91

No data
success
No
country
region
city
asn
organization
isp

151.101.193.91

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

mail.gentoo.org

Port 25: Closed/unreachable - 21.7 ms - 
Port 465: Closed/unreachable - 83.3 ms - 
Port 587: Closed/unreachable - 83.2 ms - 220 smtp.gentoo.org Gentoo ESMTP Mail Server

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