Rank #1,920Updated November 10, 2026
uni-bonn.de
Universität Bonn
The site runs on Matomo, Content Security Policy, HSTS. Its email security grade is F. Its SSL certificate is issued by Hellenic Academic and Research Institutions CA and is valid for 197 more days.
- Domain age
- —
- Technologies
- 3
- Email security
- F
- SSL days left
- 197
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 131.220.250.29 | 900 |
| MX | esa3.rhrz.uni-bonn.de 10 | 85366 |
| MX | esa1.rhrz.uni-bonn.de 10 | 85366 |
| MX | esa2.rhrz.uni-bonn.de 10 | 85366 |
| NS | dns2.uni-bonn.de | 86400 |
| NS | dns3.uni-bonn.de | 86400 |
| NS | unibn-dns.uni-koeln.de | 86400 |
| NS | dns1.uni-bonn.de | 86400 |
| CAA | issuewild 0 harica.gr | 3600 |
| CAA | issue 0 letsencrypt.org | 3600 |
| CAA | issue 0 sectigo.com | 3600 |
| CAA | issue 0 pki.dfn.de | 3600 |
| CAA | iodef 0 mailto:[email protected] | 3600 |
| CAA | issuewild 0 pki.dfn.de | 3600 |
| CAA | issuewild 0 letsencrypt.org | 3600 |
| CAA | issuewild 0 sectigo.com | 3600 |
| CAA | issue 0 harica.gr | 3600 |
| TXT | HARICA-2ssxUYrYPV3Orwivydx | 900 |
| TXT | google-site-verification=-ibadjbrMpJZNJXoDcRi1rgwNv3hAIHo4WpDeQ8cje8 | 900 |
| TXT | v=spf1 redirect=_spf.uni-bonn.de | 900 |
Technology stack
Analytics
Security
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GR, GEANT TLS ECC 1, Hellenic Academic and Research Institutions CA |
| Expires | May 26, 2027 |
| Days remaining | 197 |
| Protocol | TLSv1.3 |
| Names | uni-bonn.de |
Email security
FScore 44/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF ends with ?all, which tells receivers nothing. Use ~all or -all.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good3 MX record(s) found.
- goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.
Homepage metadata
| Title | Universität Bonn |
|---|---|
| Description | Die Exzellenzuniversität Bonn ist eine der erfolgreichsten Universitäten in Deutschland. Studieren und forschen Sie an eine der größten und forschungsstärksten Universitäten in Deutschland. |
| Language | de |
| Canonical | https://www.uni-bonn.de/de |
| Structured data | WebSite |
| Indexable | Yes |
| Word count | 1006 |
About uni-bonn.de
What technology does uni-bonn.de use?
We detected 3 technologies on uni-bonn.de, including Matomo, Content Security Policy, HSTS.
Does uni-bonn.de protect its email with SPF and DMARC?
uni-bonn.de scores 44/100 (grade F) for email security. SPF ends with ?all, which tells receivers nothing. Use ~all or -all. DMARC policy is none (monitoring only). Spoofed mail is still delivered.
What are the name servers of uni-bonn.de?
uni-bonn.de uses dns2.uni-bonn.de, dns3.uni-bonn.de, unibn-dns.uni-koeln.de, dns1.uni-bonn.de.