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Total

DNS

Email

Security

Network

100

Availability

Domainuni-paderborn.de

IPv41

IPv61

MX records1

StatusActive

Domain technical report

Universität Paderborn

uni-paderborn.de

Die Universität Paderborn zählt mit rund 20 000 Studierenden zu den leistungsstarken mittelgroßen Universitäten in Deutschland.

Generated: 2026-08-09T19:24:50-05:00 · Cached result

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IPv41

IPv61

MX1

NS3

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

3 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.

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

206 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.uni-paderborn.de

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)

131.234.196.27

AAAA

1 record(s)

2001:638:502:c036::27

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

5 mail.uni-paderborn.de.

TXT

8 record(s)

"MS=9883131772164D19B638D7E65A1BA9C05B512A1A"
"atlassian-domain-verification=NzrKew46SjAClUnQSu5Qax4dsd5JU58NfGIc9SmhF1ZBfo7gYc4kK7RvisQGlbJw"
"google-site-verification=rJStZ2LVv4x9UtIqKnaWibZqsO4GFHFVIM6Hfs17OVs"
"bw=CHKhkI8ywOLJivOkATcANwaasATy52zisn19TR4xTO6d"
"academiccloud-site-verification=9gpxp82EgM5aSt4h2wSKknbgw"
"MS=ms68292830"
"adobe-idp-site-verification=c3f69f1d645ad1263241f5fd6d114d7bddf26579871d8118f70d2d44e90a52c4"
"v=spf1 include:mail.uni-paderborn.de -all"

NS

3 record(s)

dns-1.dfn.de.
dius.uni-paderborn.de.
dufu.uni-paderborn.de.

SOA

1 record(s)

dius.uni-paderborn.de. hostmaster.uni-paderborn.de. 767263919 10800 3600 604800 86400

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 include:mail.uni-paderborn.de -all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:postmaster@uni-paderborn.de; ruf=mailto:postmaster@uni-paderborn.de; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=84600; sp=none

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Universität Paderborn

Description

Die Universität Paderborn zählt mit rund 20 000 Studierenden zu den leistungsstarken mittelgroßen Universitäten in Deutschland.

Final URL

https://www.uni-paderborn.de/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.uni-paderborn.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.uni-paderborn.de

Valid from

2026-03-04T07:27:58-06:00

Valid until

2027-03-04T07:27:58-06:00

Days remaining

206

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

131.234.196.27

34,96 ms

Cloudflare

1.1.1.1

131.234.196.27

289,22 ms

Quad9

9.9.9.9

131.234.196.27

181,49 ms

OpenDNS

208.67.222.222

131.234.196.27

787,57 ms

AdGuard

94.140.14.14

131.234.196.27

147,83 ms

IP, geolocation and ASNAssociated network information

131.234.196.27

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

mail.uni-paderborn.de

Port 25: Closed/unreachable - 123.5 ms - 
Port 465: Closed/unreachable - 117.1 ms - 
Port 587: Closed/unreachable - 122.1 ms - 220 mail.uni-paderborn.de ESMTP Exim 4.98.2 (zuban) Mon, 10 Aug 2026 02:24:49 +0200

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