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Total

DNS

Email

Security

Network

100

Availability

Domainmaastrichtuniversity.nl

IPv41

IPv61

MX records1

StatusActive

Domain technical report

The European university of the Netherlands | Maastricht University

maastrichtuniversity.nl

Generated: 2026-08-09T13:17:51-05:00 · Cached result

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IPv41

IPv61

MX1

NS4

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

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 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

188 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: www.maastrichtuniversity.nl

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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

137.120.6.130

AAAA

1 record(s)

2001:610:190:900::6:130

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 maastrichtuniversity-nl.x-v1.mx.microsoft.

TXT

7 record(s)

"brevo-code:1607a47a88dbc07d97d6554de5efceed"
"google-site-verification=RY0nrQRG6UikqYIPBSwkCMUriDhjjTLOxwGpKJQOU0w"
"HARICA-t8EcerSPQcJzCF1PYA9"
"v=spf1 ip4:94.143.211.206 ip4:94.143.211.207 ip4:94.143.211.204 ip4:172.246.33.15 ip4:137.120.1.21/32 include:sendgrid.net include:_spf.qemailserver.com ip6:2001:617:0:7:145:98:66:42" " include:amazonses.com include:spf.datab.nl include:spf.protection.outlook.com ip4:213.206.238.195 ip4:213.206.238.185 ip4:192.87.143.6 ip4:46.31.48.0/21 ip4:37.46.141.132 ip4:185.181.140.147 ip4:137.120.3.192/27 ip4:145.98.66.42 -all"
"google-site-verification=H9GnmIF5uizk8iQWg20iqGbqAUUryvPKxhs5Xo9JxJc"
"HARICA-uLI46ELqYckOmGNbUNg"
"atlassian-domain-verification=eGOmtmgFqh1AKXMWCliJIqH3rjBWR5RnuvDsSWzwBMjAFvBvh0laZleqWbpIJ8QP"

NS

4 record(s)

ns1.surfnet.nl.
ns1.maastrichtuniversity.nl.
ns1.zurich.surf.net.
ns2.maastrichtuniversity.eu.

SOA

1 record(s)

gm.maastrichtuniversity.nl. postmaster.unimaas.nl. 2016203426 10800 1080 2419200 900

CAA

0 record(s)

—

Not configured

DS

1 record(s)

62264 13 2 10BE2FDA3D001C4C8FB1CA3EEA02CE7F037E2E799733751A650A2D98 11C9D03D

DNSKEY

3 record(s)

256 3 13 79Gkwt3/OFYqm3JiT90zV9iGsv0SHdORtT5J9YOQ1BJZIun0HhvrmjJA HF3e85FG7zaUMLz+BOHYfIewiuJozg==
257 3 13 HoJ84QvTsW7HpteWFRiO5hOVMdkBSEXqNDB+v4h+q0DTreEWaYbBin8w 0Mhuj9AqikIwQMJiw9V8hedihhxGsA==
256 3 13 5Sl3jM2qLn2zM1Fpkl1FTt0oydAIZdWGS0p+xp2Eu8j5mAe7jNc9Ojmu rFednlMk32iHUyubi7evuwPAwJyIOw==

RRSIG

7 record(s)

NS 13 2 28800 20260812220635 20260808215943 15359 maastrichtuniversity.nl. dz1lg6kYr0Gv4ceEhCTI+ugxA7vtKKOifIQKauqF5GPrcWGDG5S+QF/e MdwJ/kJ912ZGCQhTns1ih+rI7XlXoQ==
NS 13 2 28800 20260812220635 20260808215943 40457 maastrichtuniversity.nl. 9EcKdPmI5GEhpCSL3pMarkRhPhBhlkMxPc5JbfDAczTbz49tW0jMH0yN rH2+SMK139Q32WkTzmibvngWnP1Epw==
TXT 13 2 300 20260813024603 20260809021931 15359 maastrichtuniversity.nl. yMi2ML2fQ4aLhBeXZXgwgLfN7mMszM+C8VKKWWfjdaaELCs28zbjVyka w/coPLKHeZCYJ3vTYi5NneqCsjXAag==
TXT 13 2 300 20260813024603 20260809021931 40457 maastrichtuniversity.nl. +MOFpbeVSchFPFnFoY/3Fn9/qGRjzLT7JXYQCT8bPFQQ7jzx/5bJ/WTX CKa8mqXBQIP6ut9nw07pvNAlTZ4uug==
AAAA 13 2 28800 20260813001606 20260809001222 15359 maastrichtuniversity.nl. URL3kxpisXyoeKgguYEug+BIZEqs485GCN9E8Pu1V8aM9/BNUlYiKacn srevNBURAgZOpSLKdi6ceDMkud2KLw==
AAAA 13 2 28800 20260813001606 20260809001222 40457 maastrichtuniversity.nl. V/ImSDQ8uQlAc/cssWYoRRVTSDhDAXxqSlufVLXIAKMG6GaRKV5r/WAZ /hv21gtDjxNXzjNoX9CIv6GucNo+JA==
DS 13 2 3600 20260903174423 20260806060722 467 nl. oqYtQHJX1oOugWH6RF6ze0fSF5UEDUtqpLsbifoyVYcWVmFIgmrNj2mw l7APSDD/kt5pllIaap+fyhegV9rejw==

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 ip4:94.143.211.206 ip4:94.143.211.207 ip4:94.143.211.204 ip4:172.246.33.15 ip4:137.120.1.21/32 include:sendgrid.net include:_spf.qemailserver.com ip6:2001:617:0:7:145:98:66:42 include:amazonses.com include:spf.datab.nl include:spf.protection.outlook.com ip4:213.206.238.195 ip4:213.206.238.185 ip4:192.87.143.6 ip4:46.31.48.0/21 ip4:37.46.141.132 ip4:185.181.140.147 ip4:137.120.3.192/27 ip4:145.98.66.42 -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:dmarcreport@maastrichtuniversity.nl; ruf=mailto:dmarcreport@maastrichtuniversity.nl; fo=0:1:d:s;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzxN6C0vmx228v/WEseeo7yBM8V55uIiVyDAQt5tCTiSM56vyDadeO0JCffiUCjBLFtYn1meagpEEQlj2khiiJ6s9k1UDYDx4SV0+wkvQp1XJN/cL3zYV4dxaykiCqveo91BdpjYLzNbFlMhE13baLBXfiZUeQlQhpXF5a1LwPrwIDAQAB; n=1024,1449581560,1465392760

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The European university of the Netherlands | Maastricht University

Description

Final URL

https://www.maastrichtuniversity.nl/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.maastrichtuniversity.nl/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

maastrichtuniversity.nl

Valid from

2026-07-30T03:22:46-05:00

Valid until

2027-02-14T02:22:45-06:00

Days remaining

188

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

137.120.6.130

161,34 ms

Cloudflare

1.1.1.1

137.120.6.130

288,02 ms

Quad9

9.9.9.9

137.120.6.130

169,54 ms

OpenDNS

208.67.222.222

137.120.6.130

445,21 ms

AdGuard

94.140.14.14

137.120.6.130

140,95 ms

IP, geolocation and ASNAssociated network information

137.120.6.130

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

maastrichtuniversity-nl.x-v1.mx.microsoft

Port 25: Closed/unreachable - 19.8 ms - 
Port 465: Closed/unreachable - 4020.5 ms - 
Port 587: Closed/unreachable - 4027.1 ms -

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