duer.com
Observed Jul 29, 2026, 04:33 UTC (9h 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
Runs onCloudflare
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duer.com actually stands on - every host below is a signed observation
duer.com
A / AAAA
104.17.201.193
Cloudflareserves the site
NS
ns46.domaincontrol.comns45.domaincontrol.com
domaincontrol.comanswers its DNS
MX
duer-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
duer.com
Let's Encryptissued its certificate
DNS Records
A 1
104.17.201.193
MX 1
0duer-com.mail.protection.outlook.com
TXT 5
facebook-domain-verification=h9mndbwyfe5l6k5obhdr8vy6zzdzk3v=spf1 include:spf.protection.outlook.com -allMS=ms53677242google-site-verification=1uopLPeDuM8bQFMW4-f5UL783Vkyu9agxk2HsWf3vggv=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;
NS 2
ns46.domaincontrol.comns45.domaincontrol.com
SOA 1
ns45.domaincontrol.com dns.jomax.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
duer.com |
C=US, O=Let's Encrypt, CN=YE2 | Mon, 21 Sep 2026 19:11:32 +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.
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_2d2b9a52060d1acd- Output Hash
34967e143f539c7e0c001c19abe422e5d14c5fda1f580321f1cbc2d7255840cf- Signature
ed25519:3b3ac16915c9643cc95a3012830f7bf66b5753df34afe47b144f763b11b966c857e1c9b8595097fbc89e9dfd5ca56d18d848be6f3ceff9620614384d4a74d904- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast