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Total

DNS

Email

Security

Network

100

Availability

Domainblender.org

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Blender - The Free and Open Source 3D Creation Software — blender.org

blender.org

The Freedom to Create

Generated: 2026-08-08T20:52:37-05:00 · Cached result

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IPv42

IPv62

MX5

NS2

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

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

44 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)

172.66.172.236
104.20.41.146

AAAA

2 record(s)

2606:4700:10::ac42:acec
2606:4700:10::6814:2992

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt4.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt3.aspmx.l.google.com.

TXT

5 record(s)

"google-site-verification=d408Zr-jA5cuWrb-xRjg8llY27scMaVozDcAEtrj1JA"
"google-site-verification=m0CfMKRwaNuSd0BVpxxOn0giKfNmw9yo4mvqCqUfEhQ"
"MS=ms98852839"
"google-site-verification=DyoNU_74Wl224uH6T2HPuvecIy-gM-eupW6H5nYBGiw"
"v=spf1 mx include:_spf.google.com include:eu.mailgun.org -all"

NS

2 record(s)

drake.ns.cloudflare.com.
anastasia.ns.cloudflare.com.

SOA

1 record(s)

anastasia.ns.cloudflare.com. dns.cloudflare.com. 2411695639 10000 2400 604800 1800

CAA

11 record(s)

0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issue "ssl.com"
0 issue "letsencrypt.org"
0 issuewild "ssl.com"
0 issue "comodoca.com"
0 issuewild "comodoca.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 iodef "mailto:root@blender.org"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"

DS

0 record(s)

—

Not configured

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.blender.org. 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 mx include:_spf.google.com include:eu.mailgun.org -all

DMARC

Configured

v=DMARC1; p=reject; pct=100; ri=86400; rua=mailto:6bab9d38761b4e9793cbf521d72d3dc5@dmarc-reports.cloudflare.net,mailto:dmarc-reports@blender.org

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmbFLmkITbkJ4KeUNcvU4/2HrMkA+592rvI5xyWG+2XsRwZOHODg0+j7LcMrMw7aM6tdR4ENQqTuzIkZCU/q7M60/qRGNNT7F4XckO5RArKwPiX0MdgxRd/QmQ9+R/qtBWX4gpsiNNj4m+l0vq7JmBMQ46FvOnPK/cUYw3tcNITHO6IBiCnslmPBVmhYR+YSU8bwQo8Gw0HjTEnPpdrStUcJOJnTOJpypBtke3eDWoRVip2/5KdU1mdcS+N8aG5vK4GLSggXwZkcGSeExRhr/sfIxX89VZw0JeElRGoaLY8znEhvkEYsMcDpHDMuhNPUY9XXMfMJnp5TelOaCmbWNhQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Blender - The Free and Open Source 3D Creation Software — blender.org

Description

The Freedom to Create

Final URL

https://www.blender.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.blender.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

blender.org

Valid from

2026-06-24T11:01:17-05:00

Valid until

2026-09-22T11:01:16-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

3 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

✓

Cross-Origin-Opener-PolicyImplemented

—

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

104.20.41.146, 172.66.172.236

60,48 ms

Cloudflare

1.1.1.1

104.20.41.146, 172.66.172.236

20,63 ms

Quad9

9.9.9.9

104.20.41.146, 172.66.172.236

25,69 ms

OpenDNS

208.67.222.222

104.20.41.146, 172.66.172.236

29,75 ms

AdGuard

94.140.14.14

104.20.41.146, 172.66.172.236

160,42 ms

IP, geolocation and ASNAssociated network information

172.66.172.236

No data

success

country

region

city

asn

organization

isp

104.20.41.146

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

alt4.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4001.5 ms - 
Port 587: Closed/unreachable - 4020 ms -

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