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Total

DNS

Email

Security

Network

Availability

Domainuni-mannheim.de

IPv40

IPv60

MX records3

StatusActive

Domain technical report

uni-mannheim.de

Generated: 2026-08-09T14:19:35-05:00 · Cached result

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IPv40

IPv60

MX3

NS5

DiagnosticsMain findings and recommendations

IPv4 (A)0 / 30 pts · Dns

0 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

5 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 policy5 / 5 pts · Dns

Certificate authority restriction.

DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

3 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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

Certificate lifetime0 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)

—

Not configured

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

3 record(s)

5 proxmox-mg1.uni-mannheim.de.
5 proxmox-mg2.uni-mannheim.de.
5 proxmox-mg3.uni-mannheim.de.

TXT

8 record(s)

"HARICA-1gWgrbWl1EcbzfQbOs5"
"v=spf1 mx a:smtp.mail.uni-mannheim.de a:smtp-ng.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all"
"l05J1b8RCmWUIdiEdf8lsFXTgnK+JJyO7ChJhkDa5mRCU29BYHM0x42eEkdfBdlVPKH25Ec970n0MuTUu73e7w=="
"google-site-verification=hjNaUkKKXqMgskqCvXiQZ6z3FgiqD_b_3WcMZ9Jnqqc"
"docusign=a54ceab8-efac-4862-956d-974be66efdb2"
"adobe-idp-site-verification=726793ff3dea185510f9ff9c8cc374adaf6ec9a8fe5bca96496d01f5eec78361"
"MS=5C940BB0AE08C25C9B2005790594703D3E6738F2"
"apple-domain-verification=TCoQCRktvOKuEsGj"

NS

5 record(s)

dns3.belwue.de.
dns3.uni-mannheim.de.
dns1.belwue.de.
dns1.uni-mannheim.de.
dns2.uni-mannheim.de.

SOA

1 record(s)

dns.uni-mannheim.de. dnsadmin.mail.uni-mannheim.de. 2026220070 3600 1800 3600000 3600

CAA

4 record(s)

0 issuewild "harica.gr"
0 issue "harica.gr"
0 issue "pki.dfn.de"
0 issue "letsencrypt.org"

DS

2 record(s)

23420 14 2 FE53A7FA29A4FB5808859F1F9D647FC72769514369218EF399BC8D61 354DB79F
19259 14 2 FC01C3B765BF78D6C737CCF7F3E1D44FC5FC22A179E8C6244F629945 25D16450

DNSKEY

2 record(s)

256 3 14 cmSZVABkAOznmegbI9Wro/LVPCIiMaLdvQiRr5vng65vSxCESv4W+r+v nmb41D09YRZ3pOc57Agg2fwGXp9uZ3iIrRyiUmS/jEtJLyKHMqf6E6fB 9tsrOacc97pQvZec
257 3 14 t60fvw11pSJBv7i5GXdlJ5C0jwuuuUwpmX1zSlDeGxClRKOAzdpXl5t+ 627z5KRO0iTF+aT12JT6mEdofjNit6z0lCVXRNg1rVJjXLHukJa8jQy/ XqCZI/WA/vDHR6o1

RRSIG

4 record(s)

SOA 14 2 3600 20260907040037 20260808040037 49388 uni-mannheim.de. Gzl7mi1PiN/WWe6qHRCniEX1HAyYbAZpD7ffDloRkWlnMIXJ6OMNLfPL GtGiK5LIgfNgGeSdrYo1iNOTz+Rh49bhdCdwubnQl8v7zFnGWV5w8v8v fpVAfSKehHJCezwY
MX 14 2 3600 20260907040037 20260808040037 49388 uni-mannheim.de. +Yqrd44XEOlC4QzXniP2FFYJXqSWk33WT0bdUW39SXAnbu8hgQ6+9Rn8 9sCSUVRvctkaq8fpKzFNe8dheLP3esoEZPtRthtUxlTTkQTzE6X6eNsB aUZDgXmuPHXnEG+m
DS 8 2 86400 20260817120903 20260803103903 32911 de. KUNhEdUm1RLkjkfycl2ffyAFZW5dh6FsEV4g8+1rLdNZWWpCtiLCzPJ3 58WVvH1mL1OBfmixoPOhOpkw5Et3Q6pH41nIXGnizIba/p/XOvhS927V /r4RYIj4E+589bt16OIes7xphXa7L2kLTrC4g8L9JpmI8hj2dGSfit9/ y7M=
CAA 14 2 3600 20260907040309 20260808040309 49388 uni-mannheim.de. lfq10tYtBxD26omfwsYdDEJz2c5ryAmBRLjmFDazr9geiqjtx69f/uzv hotFBgFPojanDoT2pX3l4c8upNFb/nz4NdzzLUhbOFuywi/VGHI5R+KM i9qx0qIP4QXYe6gz

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 mx a:smtp.mail.uni-mannheim.de a:smtp-ng.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all

DMARC

Configured

v=DMARC1; p=none;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJfJTjXmYO/eViNa4uwaaWI0CGm3blzc63RDeWI/WfW/C2Rxr45puqQp0s4CrY89BwbXG2S0CC2cDmEvEeUFmHuS2VkYAmf87bG7VSS5DJVTgidsAHFBPBitJxNF60Q8cjO2Tp4O1oxjTnSAll/+Pgz2pPKsu4uhXrMNU/AMa8ZQIDAQAB; n=1024,1450953283,1466764483

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://uni-mannheim.de/

HTTP status

HTTP

Status

Final URL

https://uni-mannheim.de/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable

Available

Issuer

Valid from

Valid until

Days remaining

Protocol

Cipher

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

161,79 ms

Cloudflare

1.1.1.1

288,51 ms

Quad9

9.9.9.9

348,09 ms

OpenDNS

208.67.222.222

154,66 ms

AdGuard

94.140.14.14

356,41 ms

IP, geolocation and ASNAssociated network information

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

proxmox-mg1.uni-mannheim.de

Port 25: Closed/unreachable - 115.7 ms - 
Port 465: Closed/unreachable - 4132.3 ms - 
Port 587: Closed/unreachable - 4008.2 ms -

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