useinstructor.com

Observed Jul 26, 2026, 08:55 UTC (7d 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

Runs onCloudflare

Secured byLet's Encrypt

majestic

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

INFRASTRUCTURE MAPwhat useinstructor.com actually stands on - every host below is a signed observation

useinstructor.com

A / AAAA

185.158.133.1

Cloudflareserves the site

elias.ns.cloudflare.commay.ns.cloudflare.com

cloudflare.comanswers its DNS

eforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.com+1 more

registrar-servers.comreceives its email

TLS

useinstructor.com

Let's Encryptissued its certificate

DNS Records

A 1

185.158.133.1

MX 5

10eforward1.registrar-servers.com
10eforward2.registrar-servers.com
10eforward3.registrar-servers.com
15eforward4.registrar-servers.com
20eforward5.registrar-servers.com

TXT 2

ahrefs-site-verification_f5adba832d9a77426f99d7dbf9c234028f929d2434e5af0153763b3246b09846
v=spf1 include:spf.efwd.registrar-servers.com ~all

NS 2

elias.ns.cloudflare.com
may.ns.cloudflare.com

SOA 1

elias.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (2)

Common Name	Issuer	Expires
`useinstructor.com`	C=US, O=Let's Encrypt, CN=E7	Wed, 26 Aug 2026 07:17:03 +0000
`E7`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_4d87352c45705e34
Output Hash: dfe7071c7d8685c4fc3b99273cf808ba46328af4bbce2e75acd0c694c03cc84b
Signature: ed25519:eb31fc8ccf0634e4fd7387a7efffcd9d1d681745e7327df18015c38ce1f65cd8d1e525a2ea374d4b5d70edab63f2f053f8ef158da3362aca69d54ec2d16c1c07
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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