CONTINUOUS INTERNET TELEMETRY24H DRIFT2,873 material changesacross 2,530 domains · -525 vs yesterdayDNS DRIFT20 domains changed DNS providertop destination cloudflare.com · -7 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,309 curated domains not answering-6,409 vs yesterdayERRORS10,963 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,873 material changesacross 2,530 domains · -525 vs yesterdayDNS DRIFT20 domains changed DNS providertop destination cloudflare.com · -7 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,309 curated domains not answering-6,409 vs yesterdayERRORS10,963 responded with an errorlast probe · 5xx / 404 / 429 / 403

askubuntu.com

Observed 2026-07-12T23:02:44.073Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Also usesGoogle Search Console
1 subdomain · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat askubuntu.com actually stands on - every host below is a signed observation
askubuntu.com
A / AAAA
198.252.206.1
Cloudflareserves the site
NS
sureena.ns.cloudflare.comdamian.ns.cloudflare.com
cloudflare.comanswers its DNS

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time93 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 1

  • 198.252.206.1

TXT 2

  • v=spf1 -all
  • google-site-verification=PgJFv7ljJQmUa7wupnJgoim3Lx22fbQzyhES7-Q9cv8

NS 2

  • sureena.ns.cloudflare.com
  • damian.ns.cloudflare.com

SOA 1

  • damian.ns.cloudflare.com dns.cloudflare.com

CAA 13

  • iodef mailto:sysadmin-team@stackoverflow.com
  • issue letsencrypt.org
  • issue sectigo.com
  • issue comodoca.com
  • issue pki.goog; cansignhttpexchanges=yes
  • issue digicert.com; cansignhttpexchanges=yes
  • issuewild letsencrypt.org
  • issuewild digicert.com; cansignhttpexchanges=yes
  • issue ssl.com
  • issuewild sectigo.com

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID
8c6bd952-3c13-4a43-91b9-1339ad1ee747
Output Hash
31da864a9db278b7cc139694d4cf5a007d459bc93c98eca893c3adf5e5ac787c
Signature
ed25519:c69e5799aebbaebf293ce19a793bb94de974b17f0f23d42997352b499d9296d64591ec739aa038a2030cb522a18df45a0696d6ec6009872147043fec89995602
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser