CONTINUOUS INTERNET TELEMETRY24H DRIFT1,824 material changesacross 1,634 domains · +402 vs yesterdayDNS DRIFT2 domains changed DNS providertop destination yandexcloud.net · -19 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination google.com · -4 vs yesterdayNOW1,156 curated domains not answering+446 vs yesterdayERRORS5,210 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,717 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record24H DRIFT1,824 material changesacross 1,634 domains · +402 vs yesterdayDNS DRIFT2 domains changed DNS providertop destination yandexcloud.net · -19 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination google.com · -4 vs yesterdayNOW1,156 curated domains not answering+446 vs yesterdayERRORS5,210 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,717 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record

siam.org

Observed 2026-07-17T13:57:43.594289906+00:00 (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Secured byGoogle Trust Services
Also usesZoomAtlassianFacebook/Meta
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat siam.org actually stands on - every host below is a signed observation
siam.org
A / AAAA
172.66.168.112104.20.22.2012606:4700:10::6814:16c92606:4700:10::ac42:a870
Cloudflareserves the site
NS
alice.ns.cloudflare.comkarl.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx-01-us-east-2.prod.hydra.sophos.commx-02-us-east-2.prod.hydra.sophos.com
sophos.comreceives its email
TLS
siam.org
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.66.168.112
  • 104.20.22.201

AAAA 2

  • 2606:4700:10::6814:16c9
  • 2606:4700:10::ac42:a870

MX 2

  • 10mx-01-us-east-2.prod.hydra.sophos.com
  • 20mx-02-us-east-2.prod.hydra.sophos.com

TXT 13

  • 31NKXODDC17FCCE5VUFIHJK7Z1O69G4QCKQRH1AOD
  • Dynatrace-site-verification=b5b12c8f-6ef2-4ddc-b1f2-8640eb5753b3__vgbe6qtmotlk6fniransndha61
  • F0110999CFF0EE327594BCC74D27A7763CED5C06
  • MS=ms27944324
  • R6DZ3/q0JyWSKZlcUvoHeJQitgqRzLEhmQzQ6oEmzg4zk8pMH15VWQJhbQR4b1L3ZOgtJ316rxM23Sdg4rvWXA==
  • ZOOM_verify__z1kB0yJQVODFKEU02iexg
  • atlassian-domain-verification=yI2xkzqkZ/QLq9PMPktb3N8qxHsv2KWpWuSJqh7KIVy4loZOomlNJ3j9XKH8KCXZ
  • atlassian-sending-domain-verification=59decb88-e5c2-48e4-acec-c62e1c3d8a87
  • facebook-domain-verification=0ezw6b1bd9y6r0jpdrcph89gdsrcw6
  • sophos-domain-verification=c3f6c8c37c6859fe8393de3f92e22e3ee41d3e76

NS 2

  • alice.ns.cloudflare.com
  • karl.ns.cloudflare.com

SOA 1

  • alice.ns.cloudflare.com dns.cloudflare.com

CAA 11

  • issue "comodoca.com"
  • issue "digicert.com; cansignhttpexchanges=yes"
  • issue "godaddy.com"
  • 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"

TLS Certificates (3)

Common NameIssuerExpires
siam.org C=US, O=Google Trust Services, CN=WE1 Mon, 28 Sep 2026 19:20:44 +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 siam.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
1aef386f-14c9-4d8e-8794-7d69e035d1d8
Output Hash
63ff6507edfe02c432e83d7c87a40a48247ae690a76b6921beb727e759a1532f
Signature
ed25519:329adcfc219dd3765a479ead31e16165093a4fe289f8d3050b18e3e849d3ecbb30bbed6dec79be3325ca48531a2ad086726834b3ea97186f95790dfeb3af6800
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser