doombuilder.com
Observed Jul 26, 2026, 21:56 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.
Up right now
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doombuilder.com actually stands on - every host below is a signed observation
doombuilder.com
A / AAAA
81.18.160.89
unattributedserves the site
NS
ns2.caveo.nlns3.caveo.nlns1.caveo.nl
caveo.nlanswers its DNS
MX
mail.doombuilder.com
doombuilder.comreceives its email
TLS
doombuilder.com
Let's Encryptissued its certificate
DNS Records
A 1
81.18.160.89
MX 1
10mail.doombuilder.com
TXT 2
v=spf1 a mx a:mail.doombuilder.com ?allv=DMARC1; p=none
NS 3
ns2.caveo.nlns3.caveo.nlns1.caveo.nl
SOA 1
ns1.caveo.nl hostmaster.caveo.nl
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
doombuilder.com |
C=US, O=Let's Encrypt, CN=YE1 | Wed, 09 Sep 2026 07:25:50 +0000 |
YE1 |
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 (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_c0462ca4851c6da1- Output Hash
881d02ebbb58b65f08a8469db0b90f675d28d94f48f8d231e9a3955a8abf4b6e- Signature
ed25519:6c88042bb9dca2fa37b9ae824d56e5968822f3ac87df6dc84add388d9b943804c9835fa27009fc0d2010d3356f28faf3be576248efe6f37243e71afbf7abec0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast