CONTINUOUS INTERNET TELEMETRY24H DRIFT13,738 material changesacross 10,983 domains · last 24hNOW541 curated domains not reachable+39 vs yesterdaySITE ERRORS35,020 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,225 sites429 rate-limit / 403 bot-block, a posture signal

dsei.co.uk

Observed Jul 29, 2026, 02:37 UTC (10h 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 byMimecast
Secured byAmazon
Also uses1PasswordGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dsei.co.uk actually stands on - every host below is a signed observation
dsei.co.uk
A / AAAA
75.2.18.4899.83.225.116
unattributedserves the site
NS
nsgbr.comlaude.co.uknssui.comlaude.chnsusa.comlaude.net
comlaude.co.uk + comlaude.ch + moreanswers its DNS
MX
eu-smtp-inbound-1.mimecast.comeu-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
www.dsei.co.uk
Amazonissued its certificate

DNS Records

A 2

  • 75.2.18.48
  • 99.83.225.116

MX 2

  • 10eu-smtp-inbound-1.mimecast.com
  • 10eu-smtp-inbound-2.mimecast.com

TXT 10

  • MS=ms79764921
  • 1password-site-verification=UUOBOELL5ZF4VETGMNQTRWGY6A
  • google-site-verification=uWWDd54l6zccYE3sZK-AgY6LAgj9d4HKAQyaPINWgpY
  • _globalsign-domain-verification=Gg8ljFFzlje8eE-nSjWOBOBPfWfbwfAERCCdFnmCjd
  • pardot339191=849902fea4d635a2591accb504e736e6824c66d3d98b84502ba380a1791303aa
  • google-site-verification=0DmKJ-PQovOvx_XBKqW2LyfE-_PH4i4w-n0RB5SrNr4
  • v=spf1 include:eu._netblocks.mimecast.com include:msgfocus.com include:aspmx.pardot.com ~all
  • d365mktkey=83hZT8seS6caHjSPmUJlclxVT0Vh5eEU93FlUtKCXI4x
  • zscaler-verification-181330408-14072026-76dg65fuy
  • v=DMARC1; p=reject; rua=mailto:389c0706756c194@rep.dmarcanalyzer.com; ruf=mailto:389c0706756c194@for.dmarcanalyzer.com; fo=1;

NS 3

  • nsgbr.comlaude.co.uk
  • nssui.comlaude.ch
  • nsusa.comlaude.net

SOA 1

  • nsgbr.comlaude.co.uk dnstech.comlaude.com

SRV 1

  • autodiscover.clarionevents.com:443 p40

TLS Certificates (3)

Common NameIssuerExpires
www.dsei.co.uk C=US, O=Amazon, CN=Amazon RSA 2048 M04 Tue, 27 Oct 2026 23:59:59 +0000
Amazon RSA 2048 M04 C=US, O=Amazon, CN=Amazon Root CA 1 Fri, 23 Aug 2030 22:26:35 +0000
Amazon Root CA 1 C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 Thu, 31 Dec 2037 01:00:00 +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 dsei.co.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_31457501c91ddc2c
Output Hash
aef9502ffe76285715dbbb6108092f3c22e8ebc6c64096349fd1c711c9775a17
Signature
ed25519:5bd58823e6a1655f3497428c4086fd202d1f88dd029269b84ed686a6a055d3a329ac78b4399a5700e8fcf8533f163b04e3638c4bf5e533f38b387c420e5fb403
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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