alg.academy

Observed Jul 24, 2026, 10:42 UTC (7h 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

Email byZoho Mail

Secured byLet's Encrypt

Also usesFacebook/MetaGoogle Search Console

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat alg.academy actually stands on - every host below is a signed observation

alg.academy

A / AAAA

5.181.161.98

unattributedserves the site

amanda.ns.cloudflare.comskip.ns.cloudflare.com

cloudflare.comanswers its DNS

mx.zoho.commx2.zoho.commx3.zoho.com

Zoho Mailreceives its email

TLS

alg.academy

Let's Encryptissued its certificate

DNS Records

A 1

5.181.161.98

MX 3

10mx.zoho.com
20mx2.zoho.com
50mx3.zoho.com

TXT 10

_globalsign-domain-verification=O3R8MoNzuQXIsWmacCrf_a5ltsSmiHfEm1iPsHRXSR
facebook-domain-verification=ct9rtygnwa4cjrqqcp7c9i6o8heln2
google-site-verification=FjqImhqKn2U4n-N04gJxIE1iPeGmLoCzkc8U9hz9yjQ
google-site-verification=KTxeMYMttbn4FIhD26mH6TLAb-GNFeY2lM3cjmNBv5E
google-site-verification=LvRBP3SLyPeeLO22HNYdPKlNb_j3fQmFTzx7gXzBWdU
mandrill_verify.Z9A58tBwhOv67aEviGTalw
v=spf1 include:zohomail.com include:_spf.amocrmmail.com ~all
yandex-verification: 7208b374ff70d734
zoho-verification=zb64194930.zmverify.zoho.com
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:admin@alg.academy; ruf=mailto:admin@alg.academy; adkim=r; aspf=r

NS 2

amanda.ns.cloudflare.com
skip.ns.cloudflare.com

SOA 1

amanda.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`alg.academy`	C=US, O=Let's Encrypt, CN=YR1	Thu, 15 Oct 2026 11:10:54 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.alg.academy

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 alg.academy. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_76820f84d280009e
Output Hash: 85c38cc3ee67d81ef4b05ed49312bee5256a2e82a0fbb6a9c78d811374f8df1c
Signature: ed25519:cd6c276aeabd41911d8cca5340dae563e1afd5fc84ce776abc0182bf3fa5e300503be366b63c10b10ea233ca8f14a4b6a5489bb457964fd9e9719ce08796a003
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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