CONTINUOUS INTERNET TELEMETRY24H DRIFT3,091 material changesacross 2,776 domains · -307 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination cloudflare.com · -4 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,309 curated domains not answering-6,409 vs yesterdayERRORS10,959 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,091 material changesacross 2,776 domains · -307 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination cloudflare.com · -4 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,309 curated domains not answering-6,409 vs yesterdayERRORS10,959 responded with an errorlast probe · 5xx / 404 / 429 / 403

built-environment.com

Observed 2026-07-12T19:22:33.575Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Registered withSafeNames Ltd.
IPv6 · 1 subdomain · construction
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat built-environment.com actually stands on - every host below is a signed observation
built-environment.com
A / AAAA
104.21.41.150172.67.148.332606:4700:3032::ac43:94212606:4700:3030::6815:2996
Cloudflareserves the site
NS
ns2.ubmdns.comns1.ubmdns.com
ubmdns.comanswers its DNS

HTTPS probe

redirect Redirecting (3xx) 302 → http://www.informa.com/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time361 ms
DNS resolutionNOERROR
Redirect chain
http://www.informa.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

  • 104.21.41.150
  • 172.67.148.33

AAAA 2

  • 2606:4700:3032::ac43:9421
  • 2606:4700:3030::6815:2996

TXT 2

  • v=spf1 mx include:spf.ubm-us.net -all
  • v=DNSSEC1; (detected)

NS 2

  • ns2.ubmdns.com
  • ns1.ubmdns.com

SOA 1

  • ns1.ubmdns.com dns.cloudflare.com

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID
98ccc6b8-71fb-4080-a395-1586dea30a25
Output Hash
42a4661b0dd288ffd5ac5a2326650dcb3974a1fbc3b888332026ef1de93bf963
Signature
ed25519:c89f72a83854f7db4430101de9653897747a927c33f6812140c020b71b3b6c7eb78541a0b92783c5c7b477a5d951077f032e2fd22df422fd9b93de5227fe9304
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser