CONTINUOUS INTERNET TELEMETRY24H DRIFT1,907 material changesacross 1,713 domains · -171 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,655 curated domains not answering+529 vs yesterdayERRORS11,705 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED31,720 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,907 material changesacross 1,713 domains · -171 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,655 curated domains not answering+529 vs yesterdayERRORS11,705 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED31,720 throttled or blocked our scanner429 rate-limit / 403 bot-block

iacr.org

Observed Jul 18, 2026, 13:14 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat iacr.org actually stands on - every host below is a signed observation
iacr.org
A / AAAA
104.21.63.57172.67.143.2192606:4700:3032::ac43:8fdb2606:4700:3033::6815:3f39
Cloudflareserves the site
NS
bob.ns.cloudflare.comcortney.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx2.iacr.org
iacr.orgreceives its email
TLS
iacr.org
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.21.63.57
  • 172.67.143.219

AAAA 2

  • 2606:4700:3032::ac43:8fdb
  • 2606:4700:3033::6815:3f39

MX 1

  • 9mx2.iacr.org

TXT 3

  • google-site-verification=DvrU6MhlAysSQolq8dOkszzsaUxw6lViHC0nSgq4Sysn
  • v=spf1 ip4:13.58.74.171 ~all
  • v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarcreports@iacr.org; ruf=mailto:dmarc-rua@iacr.org

NS 2

  • bob.ns.cloudflare.com
  • cortney.ns.cloudflare.com

SOA 1

  • bob.ns.cloudflare.com dns.cloudflare.com

CAA 10

  • 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 "ssl.com"

TLS Certificates (3)

Common NameIssuerExpires
iacr.org C=US, O=Google Trust Services, CN=WE1 Sun, 27 Sep 2026 07:03:43 +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 (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 iacr.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
b022fb5a-dd30-493d-ab39-a86426e4b71d
Output Hash
de94d65f3a571b6ccf5759a32bcccb5cbb02e63f9bbbb8195e8886110f0989b4
Signature
ed25519:6b64c800b993089566d8afb8c75dc15f0cb530313ef5e7fde7463ea7c156c74642d485cf9fd3014a64e92c5b443812edd22955f74b0a05777d959ff66cfb4f0e
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser