busuu.com

Observed Jul 21, 2026, 20:07 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAmazon

Email byProofpoint

Secured byAmazon

Registered withMarkMonitor Inc.

Also usesAtlassianGoogle Search ConsoleMiroStripe

tranco_5k

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

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

busuu.com

A / AAAA

13.226.209.5913.226.209.10513.226.209.10813.226.209.32

Amazonserves the site

ns-123.awsdns-15.comns-1422.awsdns-49.orgns-1708.awsdns-21.co.ukns-801.awsdns-36.net

awsdns-15.com + awsdns-49.org + moreanswers its DNS

mxa-00360d01.gslb.pphosted.commxb-00360d01.gslb.pphosted.com

Proofpointreceives its email

TLS

busuu.com

Amazonissued its certificate

DNS Records

A 4

13.226.209.59
13.226.209.105
13.226.209.108
13.226.209.32

MX 2

10mxa-00360d01.gslb.pphosted.com
20mxb-00360d01.gslb.pphosted.com

TXT 26

MS=ms44603965
_proofpoint-verification=a0342e4d-44ae-4517-8ff5-6468509c557d
anthropic-domain-verification-th5kxd=ZGrO6oFd3XcdhDDeuIAzCzRAX
apple-domain-verification=MWRUkH9Y5NyHsNJq
atlassian-domain-verification=YwlJ/bGike/cutqsk43lfRICqM3dakD2wqNHt70xbmp7CLky7BSVPvKmk9nNKFVO
atlassian-domain-verification=nQ3qEbbzY6quiUrpaq5DdtDmt0L2CRDC4+hG0pq9zdc41Jk+cpFZNIKNyhSL/fiT
atlassian-sending-domain-verification=f9d75d2f-1ef2-442f-8ca7-fab918fafdaf
bitrise-verification=933f5ea344452d8f-P7GvogboAEbD
cursor-domain-verification-tzeza3=QJvoyIKI2mUfAdg2U05JIbmxV
google-site-verification=73uShR4Uz2WJmyOFZql8lB_PCIh-rtbazPjYtmYM6kU

NS 4

ns-123.awsdns-15.com
ns-1422.awsdns-49.org
ns-1708.awsdns-21.co.uk
ns-801.awsdns-36.net

SOA 1

ns-1422.awsdns-49.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`busuu.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Mon, 07 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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 busuu.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_b9083780a225ad8e
Output Hash: 966a9cce14a6a1cfb2bcbfd62550fdea99e500118176ff32be57f589a0eafec1
Signature: ed25519:cbb6a23d4c41124dbf838e7006b69bd893b839c5b6fe8eb21b1e70acf5861d03f44e5f0c4c30bd5ea59adb91e6b59909216ed0437bfaa47f013122adbf5f440e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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