DOMAINS CHANGES SERVICES CERTS API

uni-bonn.de

Observed 2026-06-15T16:11:50.836520028+00:00 (4m ago). Every field below was attested with an Ed25519 signature at scan time.

Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
c714ca7e-421e-4cb1-9eb8-bcbf724032c0
Output Hash
51ae7c686a0dcddace084f732d4eb969711568db7a3bdb71860712442387ec46
Signature
ed25519:1bc7a2f296b1bbb26519cb0c478dd9d821eec6ce886eea582d0e756b519a64e0e0afb6d74fdd3dc91583d4c5804eda1fcca497e263c992b3649a341c22e4b609
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
Verify this in your browser

DNS Records

A 1

  • 131.220.250.29

MX 3

  • {"priority":10,"exchange":"esa3.rhrz.uni-bonn.de"}
  • {"priority":10,"exchange":"esa1.rhrz.uni-bonn.de"}
  • {"priority":10,"exchange":"esa2.rhrz.uni-bonn.de"}

TXT 6

  • google-site-verification=-ibadjbrMpJZNJXoDcRi1rgwNv3hAIHo4WpDeQ8cje8
  • v=spf1 redirect=_spf.uni-bonn.de
  • HARICA-rHcUdgC1W9geYonH7fP
  • HARICA-T6jUW4oLmBmgQ45i1F2
  • v=DMARC1; p=none; sp=none; adkim=s; aspf=s; rua=mailto:dmarc@uni-bonn.de
  • v=STSv1; id=20190807110000

NS 4

  • dns1.uni-bonn.de
  • unibn-dns.uni-koeln.de
  • dns3.uni-bonn.de
  • dns2.uni-bonn.de

SOA 1

  • {"mname":"dns1.uni-bonn.de","rname":"dnsadmin.uni-bonn.de","serial":759573491,"refresh":10800,"retry":3600,"expire":1209600,"minimum":10800}

SRV 1

  • {"priority":10,"weight":10,"port":993,"target":"email.uni-bonn.de"}

CAA 9

  • {"flag":0,"tag":"issuewild","value":"\"letsencrypt.org\""}
  • {"flag":0,"tag":"issuewild","value":"\"pki.dfn.de\""}
  • {"flag":0,"tag":"issuewild","value":"\"harica.gr\""}
  • {"flag":0,"tag":"issue","value":"\"pki.dfn.de\""}
  • {"flag":0,"tag":"issue","value":"\"harica.gr\""}
  • {"flag":0,"tag":"issue","value":"\"sectigo.com\""}
  • {"flag":0,"tag":"iodef","value":"\"mailto:sicherheitsteam@uni-bonn.de\""}
  • {"flag":0,"tag":"issue","value":"\"letsencrypt.org\""}
  • {"flag":0,"tag":"issuewild","value":"\"sectigo.com\""}

TLS Certificates (4)

Common NameIssuerExpires
uni-bonn.de C=US, O=Let's Encrypt, CN=YE2 Sun, 13 Sep 2026 03:59:25 +0000
YE2 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.