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Total

DNS

Email

Security

Network

100

Availability

Domainixdf.org

IPv42

IPv62

MX records1

StatusActive

Domain technical report

UX/UI Design and AI Courses. Evidence-based design education since 2002 | IxDF

ixdf.org

41 UX / UI Design and AI Courses. Learn from industry experts and earn industry-recognized certificates. Design meetups in cities worldwide.

Generated: 2026-08-09T08:31:34-05:00 · Cached result

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IPv42

IPv62

MX1

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 policy0 / 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

83 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

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

2 record(s)

172.66.145.139
104.20.28.78

AAAA

2 record(s)

2606:4700:10::6814:1c4e
2606:4700:10::ac42:918b

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

1 smtp.google.com.

TXT

10 record(s)

"google-site-verification=Rb7qDUCBE-1clA8vsIQtodE6Q0QRA_jOCiwgEyNlm7w"
"facebook-domain-verification=1c5xr1ogkd572y1991htxz3u2tris8"
"protonmail-verification=3987f20c0b41e210b3c4390cbf82db3063256ad8"
"yahoo-verification-key=ZXz+K/khpgij/818NWgL/9ZqjMxDHZiKyBZw8c5JC2s="
"google-site-verification=11BA0ZHLdoGu7GRKJglIukr4AZY8jo8CNUQ6-oULQps"
"google-site-verification=gS1GO1Q45Wm0VeaUMn6YIfVHwYdVSsQA4FF0W2PlA8M"
"v=spf1 mx a include:_spf.protonmail.ch include:_spf.mlsend.com include:mailgun.org ~all"
"dropbox-domain-verification=v5khlf5u8xxt"
"google-site-verification=R9CSqTljgr7TXh9ly1YGLUayh4lCwjljQKyvHv1aKOo"
"mailerlite-domain-verification=98785c749a21d31faeb159950df421f407cf4174"

NS

2 record(s)

darwin.ns.cloudflare.com.
edna.ns.cloudflare.com.

SOA

1 record(s)

darwin.ns.cloudflare.com. dns.cloudflare.com. 2411562196 10000 2400 604800 1800

SPF

Configured

v=spf1 mx a include:_spf.protonmail.ch include:_spf.mlsend.com include:mailgun.org ~all

DMARC

Configured

v=DMARC1; p=quarantine; pct=10; fo=1; rua=mailto:cce30f6a@dmarc.mailgun.org,mailto:25a4db9b@inbox.ondmarc.com; ruf=mailto:cce30f6a@dmarc.mailgun.org;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxVk39Fedi8A767D5f7B0/amfQ/9CLLptwrJd90yIfUoSl5Hi7hi6UHcTPb4lR5f38r/hf8QYwzAYt103A2RjkVQwkzIXty8YYILw6g/U5dlvS6elHybfQvF3pRPlGWnGUaENCFvo7tsV9hLxMCtZhCr/c1FTXGmMbh+WA3H0LrUxFnhtMRHtZdAjZrkzvhQe1azHLB09UE+AtiDRUeiVhxezhNhMU+fYdhhKs3Buh0sZVQufLP39jmGnHpK4DjCXYlFd07gCVbZvKo+iMc6zCslJE5wnGCUEcWoKxbXDuzKBFaW4BHtkbNxQYXoF59NXmY8zEtHxX26Xh26o5V/lAwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

UX/UI Design and AI Courses. Evidence-based design education since 2002 | IxDF

Description

41 UX / UI Design and AI Courses. Learn from industry experts and earn industry-recognized certificates. Design meetups in cities worldwide.

Final URL

https://ixdf.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://ixdf.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

ixdf.org

Valid from

2026-08-02T11:49:28-05:00

Valid until

2026-10-31T11:49:27-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

104.20.28.78, 172.66.145.139

68,81 ms

Cloudflare

1.1.1.1

104.20.28.78, 172.66.145.139

109,00 ms

Quad9

9.9.9.9

104.20.28.78, 172.66.145.139

53,01 ms

OpenDNS

208.67.222.222

104.20.28.78, 172.66.145.139

56,35 ms

AdGuard

94.140.14.14

104.20.28.78, 172.66.145.139

424,35 ms

IP, geolocation and ASNAssociated network information

172.66.145.139

No data

success

country

region

city

asn

organization

isp

104.20.28.78

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

smtp.google.com

Port 25: Closed/unreachable - 45.9 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f4819d11si5914822fac.366 - gsmtp
Port 465: Closed/unreachable - 4021.5 ms - 
Port 587: Closed/unreachable - 4021.1 ms -

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