doom9.org
Observed Jul 21, 2026, 16:34 UTC (2d 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 onTelenor Sverige AB
Secured byLet's Encrypt
Registered withTucows Domains Inc.
4 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doom9.org actually stands on - every host below is a signed observation
doom9.org
A / AAAA
213.112.112.219
Telenor Sverige ABserves the site
NS
ns1.zoneedit.comns4.zoneedit.com
zoneedit.comanswers its DNS
MX
doom9.leffster.se
leffster.sereceives its email
TLS
www.doom9.org
Let's Encryptissued its certificate
DNS Records
A 1
213.112.112.219
MX 1
0doom9.leffster.se
TXT 3
brevo-code:7cf1dfc3bd3c4395fc21949889df55c9v=spf1 ip4:84.218.34.131 include:outbound.mailhop.org ~allv=DMARC1; p=none; rua=mailto:dmarc@leffster.se;
NS 2
ns1.zoneedit.comns4.zoneedit.com
SOA 1
dns0.zoneedit.com zone.zoneedit.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
www.doom9.org |
C=US, O=Let's Encrypt, CN=YE1 | Mon, 28 Sep 2026 19:13:09 +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 (4)
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_79eacf8628d23ab3- Output Hash
39b762e378f5df92eb4a7abb6b9a1e4e8578f15d82d305da07436b8da0d11b5c- Signature
ed25519:4d99dd9ad7f05677aa0a00429b3b93d5109fa3bca2f94755353656cc60953e8a5673438a9df4505e59d19b745c0af0c8072f3784859e908e9111259a01abbf04- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast