yellow.lu
Observed Jul 27, 2026, 14:34 UTC (6d 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.
Not responding
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesFacebook/MetaGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yellow.lu actually stands on - every host below is a signed observation
yellow.lu
A / AAAA
104.26.10.49172.67.74.196104.26.11.492606:4700:20::ac43:4ac4+2 more
2606serves the site
NS
carol.ns.cloudflare.comelmo.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
yellow-lu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
yellow.lu
Google Trust Servicesissued its certificate
DNS Records
A 3
104.26.10.49172.67.74.196104.26.11.49
AAAA 3
2606:4700:20::ac43:4ac42606:4700:20::681a:b312606:4700:20::681a:a31
MX 1
0yellow-lu.mail.protection.outlook.com
TXT 5
MS=ms82300477facebook-domain-verification=pemmokd2s9o19c88ic0v90j745iymcgoogle-site-verification=jYmcEeHP463yCwZNteB4a9K183OXKK01K97MA7WwkDIv=spf1 ip4:83.169.51.12/32 ip4:91.250.106.96/27 ip4:80.80.40.26 ip4:62.210.152.34 ip4:62.210.152.17 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com ~allv=DMARC1; p=none; rua=mailto:postmaster@yellow.lu
NS 2
carol.ns.cloudflare.comelmo.ns.cloudflare.com
SOA 1
carol.ns.cloudflare.com dns.cloudflare.com
CAA 10
issue "comodoca.com"issue "digicert.com; cansignhttpexchanges=yes"issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"issue "ssl.com"issuewild "comodoca.com"issuewild "digicert.com; cansignhttpexchanges=yes"issuewild "letsencrypt.org"issuewild "pki.goog; cansignhttpexchanges=yes"issuewild "ssl.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yellow.lu |
C=US, O=Google Trust Services, CN=WE1 | Sat, 26 Sep 2026 17:00:49 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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_581d0ea78a43e6a5- Output Hash
c97faa0a3ff12eb741f7c46fea589b46ff580314ee09ae443567c0d57ac36d74- Signature
ed25519:bf5e3a8a0ef949413683615c8d87ed7b3785034ddb60b5ac2c18cc27ab99030b28082a5f41d7780f889f30010486ce01a3d5693b4aca5ecf60332920b9af2206- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast