CONTINUOUS INTERNET TELEMETRY24H DRIFT3,205 material changesacross 2,729 domains · -193 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -2 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination gov.cn · -1 vs yesterdayCERT DRIFT9 domains switched issuing CA24h · +2 vs yesterdayNOW3,326 curated domains not answering-6,392 vs yesterdayERRORS10,951 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,205 material changesacross 2,729 domains · -193 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -2 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination gov.cn · -1 vs yesterdayCERT DRIFT9 domains switched issuing CA24h · +2 vs yesterdayNOW3,326 curated domains not answering-6,392 vs yesterdayERRORS10,951 responded with an errorlast probe · 5xx / 404 / 429 / 403

alibris.com

Observed 2026-07-12T09:26:22.639Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email bySendGrid
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
9 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alibris.com actually stands on - every host below is a signed observation
alibris.com
A / AAAA
104.18.153.95104.18.152.95
Cloudflareserves the site
NS
ns5.alibris.comns4.alibris.com
alibris.comanswers its DNS
MX
mx2-us1.ppe-hosted.commx1-us1.ppe-hosted.com
SendGridreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.alibris.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time8 ms
DNS resolutionNOERROR
Redirect chain
https://www.alibris.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 104.18.153.95
  • 104.18.152.95

MX 2

  • 20mx2-us1.ppe-hosted.com
  • 10mx1-us1.ppe-hosted.com

TXT 9

  • duo_sso_verification=GvMMzucxDXKoSwSJfA9qYhy63yAZcgJu1fe7YqMGe5BqvY8dklnSnpRGXPnp5G4J
  • ms-domain-verification=7e0288d9-64a0-401a-a690-29092b12aa06
  • google-site-verification=nZ6KPbX6L6enpA9mODgHjQwlHpaJIizGu2lQDpiU9Rg
  • v=spf1 a:mailhost2.alibris.com a:mailhost.alibris.com include:authsmtp.com include:_spf.zdsys.com include:mail.zendesk.com include:sendgrid.net include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com -all
  • anthropic-domain-verification-hdvgzn=LVX0fAGZTiC5hndqsXSOwppGE
  • MS=3BFB65151236B89414DE0F8A38E4633CC7697357
  • sophos-domain-verification=18def0916d08e6e42418d8e9ece43208abafe15570e937d726a90707a045d9ad
  • v=DMARC1; p=reject; rua=mailto:postmaster@alibris.com; ruf=mailto:postmaster@alibris.com; fo=1
  • v=DNSSEC1; (detected)

NS 2

  • ns5.alibris.com
  • ns4.alibris.com

SOA 1

  • ns4.alibris.com dns.cloudflare.com

CAA 11

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

TLS Certificates (0)

None.

Subdomains (9)

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 alibris.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
ae96bb79-3d55-4f4f-aedb-8650978e31a4
Output Hash
c336e22fcb9228b29f4340ef6e0b2519a527200968d8e0f84d2b6aa5cbfb3b90
Signature
ed25519:61b722df13053f08af4e504247312e8f4dc97984f0eac59894f871bb7289388bda4b3310a6613a82a6388c38c3cdf64688b75bbebc5eb7bc9a28aad7536cca06
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser