Rank #5,224Updated November 10, 2026
leidenuniv.nl
Toegang geblokkeerd / Access Blocked
leidenuniv.nl is registered with team.blue nl B.V. since October 27, 1988 (38.0 years). Its email security grade is C. Its SSL certificate is issued by Hellenic Academic and Research Institutions CA and is valid for 88 more days.
- Domain age
- 38.0 yrs
- Technologies
- —
- Email security
- C
- SSL days left
- 88
Registration
| Registrar | team.blue nl B.V. |
|---|---|
| IANA ID | 0000 |
| Registered | October 27, 1988 |
| Updated | December 19, 2024 |
| Status | active |
| Name servers | ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 132.229.92.45 | 28800 |
| MX | leidenuniv-nl.i-v1.mx.microsoft 0 | 28800 |
| NS | ns1.surfnet.nl | 28800 |
| NS | ns2.surfnet.nl | 28800 |
| NS | ns3.surfnet.nl | 28800 |
| TXT | MS=ms65516456 | 300 |
| TXT | MS=ms83046425 | 300 |
| TXT | d365mktkey=3z9lonpthcf1flukxh42x2sxz | 300 |
| TXT | v=easydus; cg=11698f98-660d-4493-8a08-dc3fd7140b37 | 300 |
| TXT | LuxpAY9f1zHG+roggcfr/cQOl6j84tYnWmJzw31qbRvLZPcFFzI3jfxGDfvQoO3z1hF3lEqnh9b9qLbKpXZv5Q== | 300 |
| TXT | atlassian-domain-verification=SEecVMD3wHtwB7axKLBXdfoLHrVbpxrCISGbVwyvJbEoGUhC39wRZFkCo7tK5LRb | 300 |
| TXT | atlassian-domain-verification=flFJhiK3/jjJkNXwKznhyRJ6conPD48u57e5kKAXkkOa38lzTLjV8jwiKJyHBkn4 | 300 |
| TXT | v=spf1 include:_spf.smtp.leidenuniv.nl ip4:87.195.18.70 include:spf.faqtory.nl include:_spf.saasplaza.com mx:nroute.de include:a._spf.brightspace.com ip4:34.245.210.0/24 include:spf.eprov.nl ip4:62.112.224.215 include:_spf.xqueue.com ~all | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GR, GEANT TLS RSA 1, Hellenic Academic and Research Institutions CA |
| Expires | February 6, 2027 |
| Days remaining | 88 |
| Protocol | TLSv1.3 |
| Names | leidenuniv.nl, www.leidenuniv.nl |
Email security
CScore 77/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: selector1, selector2, k2, s1, s2, fm1).
- good1 MX record(s) found.
Homepage metadata
| Title | Toegang geblokkeerd / Access Blocked |
|---|---|
| Language | nl |
| Indexable | Yes |
| Word count | 25 |
About leidenuniv.nl
Who is the registrar of leidenuniv.nl?
leidenuniv.nl is registered with team.blue nl B.V. (IANA ID 0000).
Does leidenuniv.nl protect its email with SPF and DMARC?
leidenuniv.nl scores 77/100 (grade C) for email security. SPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of leidenuniv.nl?
leidenuniv.nl uses ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl.