doom9.se

Observed Jul 29, 2026, 00:00 UTC (10h 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

Also usesGoogle Search Console

2 subdomains · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat doom9.se actually stands on - every host below is a signed observation

doom9.se

A / AAAA

213.112.112.219

unattributedserves the site

ns1.loopia.sens2.loopia.se

loopia.seanswers its DNS

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

10doom9.leffster.se

TXT 2

v=spf1 ip4:84.218.34.131 include:outbound.mailhop.org ~all
google-site-verification=J-qJcVkrdgvrkIOmRRLStDaQt1BnRR6rB0v0Tqp-dMk

NS 2

ns1.loopia.se
ns2.loopia.se

SOA 1

ns1.loopia.se registry.loopia.se

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 (2)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for doom9.se. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/doom9.se">
  <img src="https://domaindrift.io/badge/doom9.se.svg"
       width="300" height="64" alt="DomainDrift signed observations for doom9.se">
</a>

Ed25519 Receipt

Receipt ID: rcpt_4875113305a47422
Output Hash: 5224d45603f0ee7700d6af0f44ecd142fc81f78ee9d02487484adb95042b14b0
Signature: ed25519:b6886de745d45102caa3b74234138ee921343026f5a0f3ef9fa3ec9fc3edd1008304fb5e7ee8a3d88053899b394d7fad542f9bb0b54bdcab0720f8dae12ee105
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/doom9.se