CONTINUOUS INTERNET TELEMETRY24H DRIFT2,007 material changesacross 1,796 domains · -544 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,379 curated domains not answeringlast probe, steadyERRORS10,877 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,007 material changesacross 1,796 domains · -544 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,379 curated domains not answeringlast probe, steadyERRORS10,877 responded with an errorlast probe · 5xx / 404 / 429 / 403

busuu.com

Observed 2026-07-13T22:12:03.472Z (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Registered withMarkMonitor Inc.
Also usesGoogle Search ConsoleAtlassianStripeMiro
30 subdomains · 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
108.139.10.99108.139.10.42108.139.10.39108.139.10.117
Cloudflareserves the site
NS
ns-1708.awsdns-21.co.ukns-801.awsdns-36.netns-1422.awsdns-49.orgns-123.awsdns-15.com
awsdns-21.co.uk + awsdns-36.net + moreanswers its DNS
MX
mxa-00360d01.gslb.pphosted.commxb-00360d01.gslb.pphosted.com
Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.busuu.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time558 ms
DNS resolutionNOERROR
Redirect chain
https://www.busuu.com/

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

DNS Records

A 4

  • 108.139.10.99
  • 108.139.10.42
  • 108.139.10.39
  • 108.139.10.117

MX 2

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

TXT 26

  • google-site-verification=Cng4vFgL2uN3oW_baWiihhJZni1rJyPKjsSHvuNLvYY
  • atlassian-domain-verification=nQ3qEbbzY6quiUrpaq5DdtDmt0L2CRDC4+hG0pq9zdc41Jk+cpFZNIKNyhSL/fiT
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:mail.zendesk.com -all
  • bitrise-verification=933f5ea344452d8f-P7GvogboAEbD
  • apple-domain-verification=MWRUkH9Y5NyHsNJq
  • google-site-verification=tM-OQn_2wNQxp_uOje39Ybl7qpFzaMzovYjDqPwbCZo
  • google-site-verification=Zb3VZZt2V8rXVcBXmNa_X-sgIhYoXWHY7O_XK4CE7gs
  • atlassian-domain-verification=YwlJ/bGike/cutqsk43lfRICqM3dakD2wqNHt70xbmp7CLky7BSVPvKmk9nNKFVO
  • stripe-verification=a4b6fdebd3c752f80dca48d8313c20f4df3ad179459ea12e5c4b99ae36e53c29
  • mongodb-site-verification=WiT1OAJiSpGM6mwyicyrOrdICBzRCg5a

NS 4

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

SOA 1

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

TLS Certificates (0)

None.

Subdomains (30)

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.

DomainDrift signed-observation badge for busuu.com <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
5956a0ea-7a44-4e22-8c6a-39b45847be36
Output Hash
89f9308411c73f238759f519ca4d1e29302cdc2071efef56454fb5cd2950792c
Signature
ed25519:f6b0e3a6fd1bd38984e8d346c7e993253cef5d493bb8990d5e756073c0ebd99077431e5121ad5bd8e7ae8bb2d25974f4ef4f760b9cb339c736bf4466611f310b
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser