utrecht.nl
Observed Aug 3, 2026, 00:40 UTC (8h 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 byGlobalSign
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat utrecht.nl actually stands on - every host below is a signed observation
utrecht.nl
A / AAAA
94.228.136.150
unattributedserves the site
NS
auth70.dns.internl.netauth80.dns.internl.net
internl.netanswers its DNS
MX
utrecht-nl.h-v1.mx.microsoft
Microsoft 365receives its email
TLS
www.utrecht.nl
GlobalSign nv-saissued its certificate
DNS Records
A 1
94.228.136.150
MX 1
10utrecht-nl.h-v1.mx.microsoft
TXT 20
MS=ms73452056include:spf.sqr.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
NS 2
auth70.dns.internl.netauth80.dns.internl.net
SOA 1
auth70.dns.internl.net postmaster.utrecht.nl
DMARC_RECORDS 1
v=DMARC1;p=quarantine;rua=mailto:dmarc@inbound.flowmailer.net;ruf=mailto:dmarc@inbound.flowmailer.net;fo=1;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.utrecht.nl |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018 | Sat, 21 Nov 2026 15:26:00 +0000 |
GlobalSign RSA OV SSL CA 2018 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Tue, 21 Nov 2028 00:00:00 +0000 |
GlobalSign |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 10:00:00 +0000 |
Subdomains (1)
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_9199e8d12170a051- Output Hash
12a88803c403341dcb7d66a83bc633c1fac1b3247382a40b6bc25c8ae389a319- Signature
ed25519:c1e68dc58b9a1e08da8ad5ad86edf54d38d2652a738fefc70d43ebe770cb59d06d274a8be2b8ac02fde95b87c34c4ebf8077b174262a6d050814e3f8c57f2f01- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast