CONTINUOUS INTERNET TELEMETRY24H DRIFT166 material changesacross 121 domains · +20 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,520 curated domains not answering+186 vs yesterdayERRORS29,897 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED88,355 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)24H DRIFT166 material changesacross 121 domains · +20 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,520 curated domains not answering+186 vs yesterdayERRORS29,897 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED88,355 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)

booking.com

Observed Jul 18, 2026, 12:01 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onAmazon
Email byProofpoint
Secured byDigiCert
Registered withMarkMonitor Inc.
Also usesZoomAtlassianDockerDocuSignGoogle Search ConsoleMiro
travel
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat booking.com actually stands on - every host below is a signed observation
booking.com
A / AAAA
3.170.42.1273.170.42.863.170.42.873.170.42.19
Amazonserves the site
NS
ns-1288.awsdns-33.orgns-1959.awsdns-52.co.ukns-508.awsdns-63.comns-716.awsdns-25.net
awsdns-33.org + awsdns-52.co.uk + moreanswers its DNS
MX
mxa-0032a201.gslb.pphosted.commxb-0032a201.gslb.pphosted.com
Proofpointreceives its email
TLS
*.booking.com
DigiCert Incissued its certificate

DNS Records

A 4

  • 3.170.42.127
  • 3.170.42.86
  • 3.170.42.87
  • 3.170.42.19

MX 2

  • 10mxa-0032a201.gslb.pphosted.com
  • 10mxb-0032a201.gslb.pphosted.com

TXT 53

  • Dynatrace-site-verification=3a88fc1a-195c-455d-ab87-88d09191496b__drhtlct978bncn9utek6qdqapk
  • MS=ms35392088
  • MS=ms94636132
  • VkJHqtn1JPDHrgqwzb8C30fmoABFhxVfjIOtLvlUK06CUwKgd2mevDGtnDhWZcNbxEgK39DOezbHay8XSv1zVQ==
  • ZOOM_verify_rRPrFA9oTH2bxfFkJeQTzA
  • _14w4c7x8j3wh3rcjq506pc8tpni5e0j
  • _globalsign-domain-verification=9Xqu2bonefjuoUF-XmyjAptAfuE-yStJz6wy9UnH-C
  • _globalsign-domain-verification=FSlSaYMuHsffF-JRsSpJSonQOV0_jwrwl5kQGpFdtb
  • _globalsign-domain-verification=l_BNpBAnk-rKZRyXJ9UkBfv9o6EEuuenkBrGpYNYo0
  • _ngvwjw7ivb5mv4iz4ynfsao26826rul

NS 4

  • ns-1288.awsdns-33.org
  • ns-1959.awsdns-52.co.uk
  • ns-508.awsdns-63.com
  • ns-716.awsdns-25.net

SOA 1

  • ns-1288.awsdns-33.org awsdns-hostmaster.amazon.com

SRV 1

  • wx2i-k.wbx2.com:5269 p10

TLS Certificates (2)

Common NameIssuerExpires
*.booking.com C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 Fri, 30 Oct 2026 23:59:59 +0000
DigiCert Global G2 TLS RSA SHA256 2020 CA1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Sat, 29 Mar 2031 23:59:59 +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 booking.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
67196d9b-4755-47b2-a2d5-f5cb813d4c8f
Output Hash
2c2d5362d1501df98835c7ba5c469f33549559ea8a8eb29395f4ff2d222d98f8
Signature
ed25519:f4501290649b0520757db2ecde77bcf34fcfe64293a96570d3686de2736b93a831c29826f1fb85b6652493f72cceb6b7a191cf112bc0abe602b044e20a747d07
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser