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Total

DNS

Email

Security

Network

100

Availability

Domaintu-ilmenau.de

IPv41

IPv60

MX records6

StatusActive

Domain technical report

Startseite | Technische Universität Ilmenau

tu-ilmenau.de

Exzellenten Studiengänge, innovative Forschungsbereiche und vielfältige Campuslebenangebote. Werden Sie Teil einer renommierten Hochschule im Herzen von Thüringen und entdecken Sie Ihre Möglichkeiten für ein erstklassiges Studium und eine vielversprechende Karriere an der TU Ilmenau

Generated: 2026-08-11T04:14:46-05:00 · Cached result

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IPv41

IPv60

MX6

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 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 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

6 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

49 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 DNS30 / 30 pts · Network

PTR: wcms-proxy2.rz.tu-ilmenau.de

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 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)

141.24.186.181

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

6 record(s)

10 b2221.mx.srv.dfn.de.
100 mail-router1.rz.tu-ilmenau.de.
10 c2221.mx.srv.dfn.de.
100 mail.tu-ilmenau.de.
10 a2221.mx.srv.dfn.de.
100 mail-router2.rz.tu-ilmenau.de.

TXT

7 record(s)

"MS=ms53291016"
"atlassian-domain-verification=8FyrEAzFUrTUxxtoeU7Zw9MIAoqLLwyKUK80xTFJ48tOau0q36ipYVVak94VEh5c"
"v=spf1 ip4:141.24.0.0/16 ip6:2001:638:904::/48 mx include:gbv.de -all"
"autodesk-domain-verification=dS6MS6XHof-zKh9xZSw1"
"adobe-idp-site-verification=7d871a98ab167d376db08c29f1a70063739f85f3a970df38e77380cedabb569d"
"google-site-verification=G-Jxch177DdGmTe-xe9qxoWlsJTamlIMaoGhAfm3W-c"
"cisco-ci-domain-verification=74d908dff728ba14a7326912a0ef7dcb58fd87c4ac2804552547420913f66a29"

NS

4 record(s)

prakinf2.prakinf.tu-ilmenau.de.
floyd.rz.tu-ilmenau.de.
dns-extern-slave.uni-jena.de.
deneb.dfn.de.

SOA

1 record(s)

prakinf2.prakinf.tu-ilmenau.de. hostmaster.tu-ilmenau.de. 2026080602 14400 3600 604800 14400

CAA

0 record(s)

—

Not configured

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

1 record(s)

100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de.

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:141.24.0.0/16 ip6:2001:638:904::/48 mx include:gbv.de -all

DMARC

Configured

v=DMARC1; p=quarantine; sp=quarantine; np=reject; pct=1; rua=mailto:dmarc2024@tu-ilmenau.de; ruf=mailto:dmarc2024@tu-ilmenau.de; fo=1

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Startseite | Technische Universität Ilmenau

Description

Final URL

https://www.tu-ilmenau.de/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.tu-ilmenau.de/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

www.tu-ilmenau.de

Valid from

2025-09-29T10:13:32-05:00

Valid until

2026-09-29T10:13:32-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

3 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

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

141.24.186.181

194,38 ms

Cloudflare

1.1.1.1

141.24.186.181

154,44 ms

Quad9

9.9.9.9

141.24.186.181

29,26 ms

OpenDNS

208.67.222.222

141.24.186.181

633,08 ms

AdGuard

94.140.14.14

141.24.186.181

136,67 ms

IP, geolocation and ASNAssociated network information

141.24.186.181

Identified

success

Yes

country

Germany

country_code

region

Thuringia

city

Ilmenau

latitude

50.6823897

longitude

10.9195608

asn

680

organization

Technische Universitaet Ilmenau

isp

Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

timezone

Europe/Berlin

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

b2221.mx.srv.dfn.de

Port 25: Closed/unreachable - 115.2 ms - 
Port 465: Closed/unreachable - 4135 ms - 
Port 587: Closed/unreachable - 4021 ms -

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