CONTINUOUS INTERNET TELEMETRY24H DRIFT132 material changesacross 92 domains · -526 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,107 curated domains not answering+1,278 vs yesterdayERRORS26,596 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED78,863 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT132 material changesacross 92 domains · -526 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,107 curated domains not answering+1,278 vs yesterdayERRORS26,596 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED78,863 throttled or blocked our scanner429 rate-limit / 403 bot-block

openlibrary.org

Observed Jul 18, 2026, 12:47 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat openlibrary.org actually stands on - every host below is a signed observation
openlibrary.org
A / AAAA
207.241.234.205
unattributedserves the site
NS
ns2.archive.orgns3.archive.orgns1.archive.org
archive.organswers its DNS
TLS
www.openlibrary.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 207.241.234.205

TXT 3

  • C8VERH4US3NUDNOCBIDHLSO15
  • 84k4aufp68eh5qlo6bsfqmo7rm
  • google-site-verification=vtXGm8q3UgP-f6qXTvQBo85uh3nmIYIotVqqdJDpyz4

NS 3

  • ns2.archive.org
  • ns3.archive.org
  • ns1.archive.org

SOA 1

  • ns1.archive.org hostmaster.archive.org

TLS Certificates (3)

Common NameIssuerExpires
www.openlibrary.org C=US, O=Let's Encrypt, CN=YR1 Mon, 28 Sep 2026 23:05:19 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

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 openlibrary.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
6492649b-e01c-4a01-bc9d-0cabe4cd161d
Output Hash
cec2bc1a4a220ace5368d9b7f8de3ff186529659f76c4dc29ed680aa892bc852
Signature
ed25519:0e3b720e4872fd384133fa25d1b7bec2e28aafdc28cac9aac87e2aff4b61ff618b7dbc2bb4213b32ec455f55afba97b602cd146590ea9907faff8fe26da07c0f
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser