classcentral.com

Observed 2026-07-14T16:05:53.619Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search Console

IPv6 · 3 subdomains · tranco_40k

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

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

classcentral.com

A / AAAA

172.66.155.95104.20.31.2332606:4700:10::ac42:9b5f2606:4700:10::6814:1fe9

Cloudflareserves the site

cash.ns.cloudflare.comarely.ns.cloudflare.com

cloudflare.comanswers its DNS

alt4.aspmx.l.google.comalt3.aspmx.l.google.comalt2.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.classcentral.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time18 ms

DNS resolutionNOERROR

Redirect chain

https://www.classcentral.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

172.66.155.95
104.20.31.233

AAAA 2

2606:4700:10::ac42:9b5f
2606:4700:10::6814:1fe9

MX 5

10alt4.aspmx.l.google.com
10alt3.aspmx.l.google.com
5alt2.aspmx.l.google.com
5alt1.aspmx.l.google.com
1aspmx.l.google.com

TXT 8

google-site-verification=nti5KS3pWsqPVSly62k9EXN_K_20_cnQL9dJ0l7HAh0
google-site-verification=B5tS98xLS8LWKgF0jvgFT1ZMVFKHu2x2Bm1dDUkfZok
google-site-verification=MVj1x00m2Sfy8hd2NKzae4A9vNUeb56LeY8lbrCFFMw
ahrefs-site-verification_66d70d81cc769a17be729ca86b4b78a154ce5bdf05a959a3e24fef31f96042e5
v=spf1 include:_spf.google.com ~all
prowly-verification=b4b5eac2db73d1bf8336e0c31c0ad569d48bca13aa333785f3fc205c9217e6cb
v=DMARC1; p=none; rua=mailto:dmarc@classcentral.com; ruf=mailto:dmarc@classcentral.com; fo=1; pct=100
v=DKIM1; (detected)

NS 2

cash.ns.cloudflare.com
arely.ns.cloudflare.com

SOA 1

arely.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (3)

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 classcentral.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: b79c5402-5c64-4dd2-a679-f3a206272f35
Output Hash: 50bb5ce052ccdb79bea371df376b6cdf2b61f36195212993830dbad684baf3c9
Signature: ed25519:12bf6e522e990f6faa8aae7837a79030b00e3ac49e25f9e8c5a8f7365ac0a2474bdc5588bd290b559a75e16cf090bdea47bfd4efc1e2713005c0359f01c4bb05
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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