CONTINUOUS INTERNET TELEMETRY24H DRIFT11,351 material changesacross 10,974 domains · 24h to ~2h ago · -29,509 vs yesterdayNOW562 curated domains not reachablelast probe, steadySITE ERRORS34,152 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,331 sites429 rate-limit / 403 bot-block, a posture signal

yesdelft.com

Observed Jul 26, 2026, 09:48 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesGoogle Search Console
5 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yesdelft.com actually stands on - every host below is a signed observation
yesdelft.com
A / AAAA
85.10.129.109
unattributedserves the site
NS
kanye.ns.cloudflare.comroxy.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail.yesdelft.commx01.provider.nl
Google (SPF sender)receives its email
TLS
yesdelft.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 85.10.129.109

MX 2

  • 1mail.yesdelft.com
  • 5mx01.provider.nl

TXT 4

  • google-site-verification=YO3NBNDogzP0Txo68GL2Iw3hkIiVbAmpb6o4IbiphOU
  • mandrill_verify.qfr6RUmjRGTpHwmReFlUfg
  • v=spf1 ip4:85.10.129.109 ip4:198.2.186.18 ip4:198.2.179.18 include:spf.whih.nl include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.google.com ~all
  • v=DMARC1; p=none; rua=mailto:dmarcrua@yesdelft.com

NS 2

  • kanye.ns.cloudflare.com
  • roxy.ns.cloudflare.com

SOA 1

  • kanye.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
yesdelft.com C=US, O=Let's Encrypt, CN=YR2 Fri, 02 Oct 2026 09:30:10 +0000
YR2 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 (5)

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

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

Ed25519 Receipt

Receipt ID
rcpt_f422bee1719d2c58
Output Hash
d33ac56faf5d366de9eae3969e32c7d1a9c26605d54a935a160a8a5c38edf577
Signature
ed25519:c73dc43caa5e9d0886fae183ccd6091738329bff6c4377670ad6fa225f4c8886d8bb22b5c97bdf9f2526ed1fcb5b0b22085a2e6c06b448c3584beb0262b65d00
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser