aptlearnonline.org

Observed Jul 23, 2026, 12:38 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.

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Up right now

Secured byLet's Encrypt

tranco

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

INFRASTRUCTURE MAPwhat aptlearnonline.org actually stands on - every host below is a signed observation

aptlearnonline.org

A / AAAA

44.229.178.16844.239.228.189

unattributedserves the site

ns-1441.awsdns-52.orgns-1543.awsdns-00.co.ukns-339.awsdns-42.comns-826.awsdns-39.net

awsdns-52.org + awsdns-00.co.uk + moreanswers its DNS

TLS

aptlearnonline.org

Let's Encryptissued its certificate

DNS Records

A 2

44.229.178.168
44.239.228.189

NS 4

ns-1441.awsdns-52.org
ns-1543.awsdns-00.co.uk
ns-339.awsdns-42.com
ns-826.awsdns-39.net

SOA 1

ns-826.awsdns-39.net awsdns-hostmaster.amazon.com

TLS Certificates (4)

Common Name	Issuer	Expires
`aptlearnonline.org`	C=US, O=Let's Encrypt, CN=YE1	Tue, 06 Oct 2026 22:29:00 +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 (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.

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

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

Ed25519 Receipt

Receipt ID: rcpt_fca8ecc28926f346
Output Hash: a4fed9c39afbbee3c42e22eb726dcd452f605c0e5cd0d41bdd9213c3927ab70d
Signature: ed25519:88dc22dc6cd332356fda73314b4918ce15810e5d660cc96b28607799bcef0c6c8b5356a66a90ec9a3dc10e76014a64cdf0c0878362b87057222d71bd37cdc504
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/aptlearnonline.org