CONTINUOUS INTERNET TELEMETRY24H DRIFT2,030 material changesacross 1,839 domains · +71 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination parity.domains · +6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +5 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW3,476 curated domains not answeringlast probe, steadyERRORS8,527 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,336 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,030 material changesacross 1,839 domains · +71 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination parity.domains · +6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +5 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW3,476 curated domains not answeringlast probe, steadyERRORS8,527 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,336 throttled or blocked our scanner429 rate-limit / 403 bot-block

securityheaders.com

Observed 2026-07-14T19:17:36.828Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withCloudflare, Inc.
Also usesGoogle Search ConsoleStripe
IPv6 · 4 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat securityheaders.com actually stands on - every host below is a signed observation
securityheaders.com
A / AAAA
104.18.24.239104.18.25.2392606:4700::6812:19ef2606:4700::6812:18ef
Cloudflareserves the site
NS
karl.ns.cloudflare.comadrian.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
alt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time612 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 2

  • 104.18.24.239
  • 104.18.25.239

AAAA 2

  • 2606:4700::6812:19ef
  • 2606:4700::6812:18ef

MX 5

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

TXT 11

  • brave-ledger-verification=5b485ba5c292f45f7f9eed9ff6e8d4a57970c4ae4744472900f4f1f4832637a6
  • v=spf1 include:spf.messagingengine.com include:_spf.google.com ~all
  • google-site-verification=w251X-tI6DaKlmxSXZWRCAAlWl1czVeRt1mHvZ24HZw
  • stripe-verification=6b65f329c2a4ed126677d883d21b637b2c8a52c3e6a64ac48d1b76d943099abc
  • keybase-site-verification=A02HdX9eUIIgkej7_ytW-tyWDQSKJil2mlg2OlawkEA
  • h1-domain-verification=kdXQcEm5T5gzmr38FxWHjNAWnHaDsvLUmoKEfegAJoRGLTXM
  • google-site-verification=UCEy6mriyH9IDqq7R172wW0GafxRDrYE9hgd18OFIHw
  • v=DMARC1; p=quarantine; rua=mailto:scotthelme-d@dmarc.report-uri.com; ruf=mailto:scotthelme-d@dmarc.report-uri.com; aspf=r; adkim=r
  • v=DKIM1; (detected)
  • v=STSv1; id=1565808194

NS 2

  • karl.ns.cloudflare.com
  • adrian.ns.cloudflare.com

SOA 1

  • adrian.ns.cloudflare.com dns.cloudflare.com

CAA 11

  • issue comodoca.com
  • issue ssl.com
  • issuewild letsencrypt.org
  • issuewild pki.goog; cansignhttpexchanges=yes
  • issue letsencrypt.org
  • issuewild ssl.com
  • issuewild digicert.com; cansignhttpexchanges=yes
  • issue pki.goog; cansignhttpexchanges=yes
  • issue ;
  • issuewild comodoca.com

TLS Certificates (0)

None.

Subdomains (4)

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

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

Ed25519 Receipt

Receipt ID
7cecb31e-bf51-49c0-8ef6-e6d479f46986
Output Hash
cec142b18666321f9e0557c67515ad172b070d153e797d595395483087cc1215
Signature
ed25519:ae99ce6ce1310faedb622ac75ea1faebafac85b30f9a81b0660364a3f18d159429ef286c618a288ff5130e1b29aa79240abc5e8f64abbbf9ffd6a0824c925405
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser