CONTINUOUS INTERNET TELEMETRY24H DRIFT3,043 material changesacross 2,698 domains · -355 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination cloudflare.com · -2 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,308 curated domains not answering-6,410 vs yesterdayERRORS10,957 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,043 material changesacross 2,698 domains · -355 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination cloudflare.com · -2 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,308 curated domains not answering-6,410 vs yesterdayERRORS10,957 responded with an errorlast probe · 5xx / 404 / 429 / 403

knock.app

Observed 2026-07-13T00:15:07.615775532+00:00 (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · 1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat knock.app actually stands on - every host below is a signed observation
knock.app
A / AAAA
104.18.9.234104.18.8.2342606:4700::6812:8ea2606:4700::6812:9ea
Cloudflareserves the site
NS
diana.ns.cloudflare.commaxim.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
knock.app
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.18.9.234
  • 104.18.8.234

AAAA 2

  • 2606:4700::6812:8ea
  • 2606:4700::6812:9ea

MX 5

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

TXT 7

  • 00DHp000002YPLt=1TBPL00000000Pp
  • MS=ms12443784
  • OSSRH-81645
  • google-site-verification=ZTAq-ndKNxkkTud6e83eMvpg2wvttoxHT6kknGwNenU
  • mongodb-site-verification=1fEA36ereccMoCnklWhDtnSxBQufimmI
  • v=spf1 include:_spf.google.com ~all
  • v=DMARC1; p=reject; rua=mailto:dmarc-reports@knock.app,mailto:32c73ad8ac1542e8b57c2b9188aa6515@dmarc-reports.cloudflare.net; pct=100; adkim=s; aspf=s

NS 2

  • diana.ns.cloudflare.com
  • maxim.ns.cloudflare.com

SOA 1

  • diana.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
knock.app C=US, O=Google Trust Services, CN=WE1 Sat, 10 Oct 2026 17:46:17 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (1)

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 knock.app. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
0126a9f8-694f-4ec8-92a6-c49275f0fd40
Output Hash
09e40c66bacecd67fe73eab744eef4e5b58fd4efcabb18ef0c075f87192df59c
Signature
ed25519:9ffb899c7987687ad1eb73826e28388093c3d2f481bed5823ebb8bddf54fc4b3a21e44436c6f03b12bba4701d13fbcc8f27b7895d0ebd25209682dadeec64605
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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