ecal.nu
Observed Jul 25, 2026, 17:44 UTC (5d 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 byLet's Encrypt
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ecal.nu actually stands on - every host below is a signed observation
ecal.nu
A / AAAA
178.22.63.1372a00:1e28:3:2707::1
2a00serves the site
NS
ns0.transip.netns1.transip.nlns2.transip.eu
transip.net + transip.nl + moreanswers its DNS
MX
ecal-nu.r-v1.mx.microsoft
Microsoft 365receives its email
TLS
ecal.nu
Let's Encryptissued its certificate
DNS Records
A 1
178.22.63.137
AAAA 1
2a00:1e28:3:2707::1
MX 1
0ecal-nu.r-v1.mx.microsoft
TXT 5
MS=ms42558753DMJCQFQbpXwKfHDDXHUkFN31jcv33MUcXs3s7Y3MzK0hvojNvM0F4fhyjLRQwMizE/QSMEPgSZ9Ke3OO0z3tpw==WFiJwrhniqvTGl4NsrvlRTonI/DXjufav1clbgpOO5bjBQP/5hcYi/pnhQIE02aoIu7WNgl9s8EA/eLnMI5XWA==v=spf1 include:spf.protection.outlook.com a:outbound.doetinchem.nl include:spf.zaaksysteem.nl include:_spf.ecm2.nl ip4:178.22.63.137 ip4:195.137.169.203 ip6:2a00:1e28:3:2707::1 -allv=DMARC1; p=quarantine; rf=afrf; rua=mailto:dmarc-rua@ecal.nu
NS 3
ns0.transip.netns1.transip.nlns2.transip.eu
SOA 1
ns0.transip.net hostmaster.transip.nl
SRV 1
mobile.doetinchem.nl:443 p1
CAA 3
issue "letsencrypt.org"issue "sectigo.com"issuewild "letsencrypt.org"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ecal.nu |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 18 Sep 2026 15:18:13 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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
- Output Hash
aabd4754f9fb299adc5cd51b2d8e37540b4f574cc0ee299335daf0dbd66d9715- Signature
(receipt not held at this host)- Public Key
connor-fast-v0.13.0- Parent
(genesis)- Plane
- fast