study.com

Observed 2026-07-12T21:47:56.865Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byMicrosoft 365

Also usesFacebook/MetaGoogle Search ConsoleNotion

11 subdomains · tranco_5k

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

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

study.com

A / AAAA

13.226.251.2513.226.251.1613.226.251.6413.226.251.118

Cloudflareserves the site

ns-392.awsdns-49.comns-1304.awsdns-35.orgns-1779.awsdns-30.co.ukns-624.awsdns-14.net

awsdns-49.com + awsdns-35.org + moreanswers its DNS

study-com.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active

HTTP status403

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time242 ms

DNS resolutionNOERROR

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

DNS Records

A 4

13.226.251.25
13.226.251.16
13.226.251.64
13.226.251.118

MX 1

0study-com.mail.protection.outlook.com

TXT 16

facebook-domain-verification=tsae1foie2qaareu3im55ce7f94um4
openai-domain-verification=dv-pWizcYPDNLxMW4Cq4ZpH5Dig
tinfoil-site-verification: 7f6e32f1d799323409819484f7f443d54ad67003=e5de9446f661f0f71422622f8b1bc2c2cde08d95
anthropic-domain-verification-rpq4ch=KMgCpOdKlhyxDcpnZpOYPqvaA
v=spf1 ip4:54.165.180.232 include:transmail.net include:spf.clearslide.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:zoho.com include:sparkpostmail.com include:_spf.freshmail.pl -all
duo_sso_verification=MNU9cp5aDypJt2DBAGz4CAKM7ijf4ndFkFQGV5RXGAvm7TXuFTE8NryAF4TcuZtH
google-site-verification=npT3ySvxTpGr9K-IVFznVPyvQGXizsuSqfZwZ6OM9sw
zoho-verification=zb44730188.zmverify.zoho.com
MS=ms53113204
apple-domain-verification=WU33XtJXYKYWBMFX

NS 4

ns-392.awsdns-49.com
ns-1304.awsdns-35.org
ns-1779.awsdns-30.co.uk
ns-624.awsdns-14.net

SOA 1

ns-392.awsdns-49.com awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (11)

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

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

Ed25519 Receipt

Receipt ID: 3680182e-161e-40ae-a85b-624f4962ee08
Output Hash: db444bc9f658f633cb29336ceb1058fd929fd508efda3673d9d3b7783272165c
Signature: ed25519:59dc6d418dedf973721c0c7cc8a0294b3d8dbf1dc0fcaa5072a08c39b051e10428abfbd980d35cc3f335c51d0962abd5ad30eae676897b519660bd8c3b1b910b
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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