CONTINUOUS INTERNET TELEMETRY24H DRIFT152 material changesacross 117 domains · -506 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,003 curated domains not answering+1,174 vs yesterdayERRORS25,935 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED75,561 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT152 material changesacross 117 domains · -506 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,003 curated domains not answering+1,174 vs yesterdayERRORS25,935 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED75,561 throttled or blocked our scanner429 rate-limit / 403 bot-block

readthedocs.org

Observed Jul 18, 2026, 12:01 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Registered withCloudflare, Inc.
Also usesGoogle Search Console
IPv6 · api_docs
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat readthedocs.org actually stands on - every host below is a signed observation
readthedocs.org
A / AAAA
104.18.6.29104.18.7.292606:4700::6812:61d2606:4700::6812:71d
Cloudflareserves the site
NS
ivan.ns.cloudflare.comtegan.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com
Google Workspacereceives its email
TLS
readthedocs.org
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.18.6.29
  • 104.18.7.29

AAAA 2

  • 2606:4700::6812:61d
  • 2606:4700::6812:71d

MX 3

  • 1aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 3

  • google-site-verification=-GDxsd6bay3wIn9zgT0lG0397PpmQMBKzP_W6B9oSxM
  • v=spf1 include:_spf.mlsend.com include:_spf.google.com ~all
  • v=DMARC1; p=none; rua=mailto:42c49d9b4a484188a99b6a9a589b8d25@dmarc-reports.cloudflare.net;

NS 2

  • ivan.ns.cloudflare.com
  • tegan.ns.cloudflare.com

SOA 1

  • ivan.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
readthedocs.org C=US, O=Google Trust Services, CN=WE1 Tue, 15 Sep 2026 17:48:19 +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 readthedocs.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
b5bfeb7e-0f2e-4c8b-b0b3-ff787c09d361
Output Hash
7db9083fed230a957f162663a3dc8f0d5c875adcd38908e86eddca17eca80a09
Signature
ed25519:c160981b5490ebc2ceefad12e281b999c952e1f61e0fdf793c0beeb2d21fde2307cd9ea7ad3de30da2da2b2cdd6ddf8b575159814cb5683fd4b18920bf1e9f06
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser