CONTINUOUS INTERNET TELEMETRY24H DRIFT38,059 material changesacross 36,939 domains · 24h to ~65m ago · -2,801 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,567 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

zfa.io

Observed Jul 25, 2026, 13:48 UTC (8d 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
Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zfa.io actually stands on - every host below is a signed observation
zfa.io
A / AAAA
62.113.194.17
unattributedserves the site
NS
john.ns.cloudflare.comsue.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail.zfa.io
zfa.ioreceives its email

DNS Records

A 1

  • 62.113.194.17

MX 1

  • 10mail.zfa.io

NS 2

  • john.ns.cloudflare.com
  • sue.ns.cloudflare.com

SOA 1

  • john.ns.cloudflare.com dns.cloudflare.com

CAA 11

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

TLS Certificates (0)

None.

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 zfa.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_d3580df69a560120
Output Hash
737dc67bdefeef5aca3f08afbdf69f4cf43d52ebf6a1437a9859710c05b272ac
Signature
ed25519:43c1a4331890da20454eede799076f82def9cf421e74415de3751aa1153f3d5ed156d804ae47621f31d9ec6ae3f8de3b488e7c8eb92096cd9d3cb88164f59e00
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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