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Total

DNS

Email

Security

Network

100

Availability

Domainkuleuven.be

IPv41

IPv61

MX records6

StatusActive

Domain technical report

KU Leuven

kuleuven.be

KU Leuven is een internationale community waar innovatief onderzoek aan de basis ligt van alle opleidingen. Gedreven onderzoekers en nieuwsgierige studenten doen voortdurend nieuwe inzichten op en zetten hun kennis in om de uitdagingen van onze tijd aan te pakken.

Generated: 2026-08-08T23:21:05-05:00 · Cached result

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IPv41

IPv61

MX6

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 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

6 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

182 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 DNS30 / 30 pts · Network

PTR: web-rewrites.icts.kuleuven.be

IPv4 diversity20 / 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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

134.58.64.162

AAAA

1 record(s)

2a02:2c40:0:80::80:a4

CNAME

0 record(s)

—

Not configured

MX

6 record(s)

20 kromsin.cc.kuleuven.be.
30 cavin02.kuleuven.be.
30 cavin03.kuleuven.be.
10 cavin.kuleuven.be.
30 cavin01.kuleuven.be.
20 limbak.cc.kuleuven.be.

TXT

16 record(s)

"jetbrains-domain-verification=q7n3msub5lwwihr3gz276igi"
"google-site-verification=SGGwxxsT7lvxUZyXNYY2VVwe2uhYfpSlmblKTAQfRyw"
"docusign=af6727a7-89da-432b-93f3-8f382fa51914"
"atlassian-domain-verification=5lXcH18NiCI3YKWFyQACIXR85MZ8bgSLp1t9R38aDkjJtQqu8Vel1mtVdDxbGlv2"
"google-site-verification=CAbH28xIl30qPcVDpm_7kborgiYb1k2LKXwV8gJ3nuA"
"v=spf1 include:_spf.kuleuven.be ?all"
"spf2.0/pra include:_spf.kuleuven.be ?all"
"af6GPUS75x/c2w2wQVa2ZpUPwVNjRUn6TP0j2S2PbMHQgoq6QO4CJAooKUs0OF58/1exvR64eZUTq8rEfq9uJw=="
"OSSRH-48090"
"linear-domain-verification=2y5757t3etwj"
"apple-domain-verification=vplHa7Trg4h7Su5j"
"docusign=c7f4684a-d588-4d62-a1ea-04ae05102c2b"
"jamf-site-verification=uojHPtKnAx48ugOkIglJgQ"
"google-site-verification=uo1UJBLxNGSyP8e-_FegmG6rHTfkzmg93sbqLY8xvNg"
"IwRLkSQWxjEqA3WNM0EYB+rvlxVfrDPt4yiASgi62nTZRkHIVRdHXvtzgSAZyqHLQAAEUER1yfS1QKX02XKc1w=="
"wim=1"

NS

2 record(s)

dns2.kulnet.kuleuven.be.
dns1.kulnet.kuleuven.be.

SOA

1 record(s)

dns2.kulnet.kuleuven.be. postmaster.kulnet.kuleuven.be. 2026062400 10800 1800 604800 86400

CAA

3 record(s)

0 issue "letsencrypt.org"
0 iodef "mailto:abuse@kuleuven.be"
0 issue "harica.gr"

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

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 include:_spf.kuleuven.be ?all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc@kuleuven.be; ruf=mailto:dmarcruf@kuleuven.be; fo=0:d; adkim=r; aspf=r

DKIM

Selector default

v=DKIM1;r=postmaster;g=*;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlbdi/qc5brWewyE2lJXsh/phUA/o0FKJDpKl3cuTMK4y4pN5RlcQoTBK/J/kbFfvmeOcCyGRmc3oYGyLXLVBdC1pjSHMMeqS/UEqiENZVjdanr5zArmMn5wPeYt0e0HniRA0Lj9N96lxFIb+8oSmqsslTXGFYH0TMix4JvuBpkqXC1h+1ZgiOpkzWvq19SB+qVKxdpKFkg88UZsAi84CpdtF+uXgXo1E288UhCZk4H5go6LiFqQH2dzI3DI8/9n35qfIOZk3S107h9YAChcX8hUFJISToMN2l6PYsqQ/40b27KOyu2Pf2zWQETv2GclhdeIRd+p9eedkpvbAY7+CSQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

KU Leuven

Description

Final URL

https://www.kuleuven.be/kuleuven/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.kuleuven.be/kuleuven/

Version

Server

Apache/2.4.62

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

kuleuven.be

Valid from

2026-07-23T03:28:42-05:00

Valid until

2027-02-07T02:28:41-06:00

Days remaining

182

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

134.58.64.162

61,30 ms

Cloudflare

1.1.1.1

134.58.64.162

137,05 ms

Quad9

9.9.9.9

134.58.64.162

165,73 ms

OpenDNS

208.67.222.222

134.58.64.162

124,75 ms

AdGuard

94.140.14.14

134.58.64.162

64,88 ms

IP, geolocation and ASNAssociated network information

134.58.64.162

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

kromsin.cc.kuleuven.be

Port 25: Closed/unreachable - 101.7 ms - 
Port 465: Closed/unreachable - 209 ms - 
Port 587: Closed/unreachable - 103.5 ms -

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