erasmusmc.nl
Observed Jul 28, 2026, 17:32 UTC (19h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
Also usesZoomGoogle Search Console
9 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat erasmusmc.nl actually stands on - every host below is a signed observation
erasmusmc.nl
A / AAAA
13.69.68.43
unattributedserves the site
NS
ns1.zurich.surf.netns1.surfnet.nlns2.surfnet.nlns3.surfnet.nl+1 more
surf.net + surfnet.nl + moreanswers its DNS
MX
erasmusmc-nl.k-v1.mx.microsoft
Microsoft 365receives its email
TLS
erasmusmc.nl
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
13.69.68.43
MX 1
10erasmusmc-nl.k-v1.mx.microsoft
TXT 10
MS=ms45201007ZOOM_verify__xGBs08SSte4FhVP_BkncQapple-domain-verification=w96sumUEmoF0LCYnsamsung-domain-verification=6852a1f8-d462-4112-a3dc-054b93ca2571google-site-verification=sQBqjiJo3oHbzmflHIr42HKiQre7_4s8usvpy3hIehUP7tCkGABr4Ccsk3MDk81JMVA/HSTIEMTT7O+UDNxJO0ZIwMqbHZrL8DDMNKGUHmVdeJMZFTRQR1jy1VlmE8CCQ==v=NTA7516-1;startdate=2024-01;enddate=2027-01;provider=zorgmail;ntamx=10 relay.zorgmail.nladobe-idp-site-verification=be19d0b6536173593de228a99ad183f3af22ff93de92055921ad375c246ce8e5v=spf1 ip4:156.83.10.0/24 ip4:194.158.15.2/25 include:spfext.erasmusmc.nl include:spfext2.erasmusmc.nl ip4:35.177.224.195 ip4:52.77.71.183 ip4:83.149.98.72 ip4:212.204.201.35 include:spf.protection.outlook.com include:_spf.zorgmail.nl -allv=DMARC1;p=reject
NS 5
ns1.zurich.surf.netns1.surfnet.nlns2.surfnet.nlns3.surfnet.nldns1.erasmusmc.nl
SOA 1
dns1.erasmusmc.nl hostmaster.erasmusmc.nl
SRV 1
mail.erasmusmc.nl:443 p0
CAA 3
issue "harica.gr"issuewild "harica.gr"issuewild "letsencrypt.org"
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
erasmusmc.nl |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1 | Tue, 09 Feb 2027 16:46:58 +0000 |
GEANT TLS ECC 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS ECC Root CA 2021 | Sat, 31 Dec 2039 11:14:20 +0000 |
Subdomains (9)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_5ccaab9787af1646- Output Hash
617a5b3fa9f7144d79e9125d6b40011a804a6fe8c0004c3299c1e38cbdaad8d4- Signature
ed25519:f3a584857f93730f9b55f2431416bde2e9a4ecfabbfc0ed511b3192a847579153131e49ed2ca2bdcb7023ddadfd0bc753bd854d75620fe45ceb834e1f722e90e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast