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
75.2.18.4899.83.225.116
MX 2
10eu-smtp-inbound-1.mimecast.com10eu-smtp-inbound-2.mimecast.com
TXT 10
MS=ms797649211password-site-verification=UUOBOELL5ZF4VETGMNQTRWGY6Agoogle-site-verification=uWWDd54l6zccYE3sZK-AgY6LAgj9d4HKAQyaPINWgpY_globalsign-domain-verification=Gg8ljFFzlje8eE-nSjWOBOBPfWfbwfAERCCdFnmCjdpardot339191=849902fea4d635a2591accb504e736e6824c66d3d98b84502ba380a1791303aagoogle-site-verification=0DmKJ-PQovOvx_XBKqW2LyfE-_PH4i4w-n0RB5SrNr4v=spf1 include:eu._netblocks.mimecast.com include:msgfocus.com include:aspmx.pardot.com ~alld365mktkey=83hZT8seS6caHjSPmUJlclxVT0Vh5eEU93FlUtKCXI4xzscaler-verification-181330408-14072026-76dg65fuyv=DMARC1; p=reject; rua=mailto:389c0706756c194@rep.dmarcanalyzer.com; ruf=mailto:389c0706756c194@for.dmarcanalyzer.com; fo=1;
NS 3
nsgbr.comlaude.co.uknssui.comlaude.chnsusa.comlaude.net
SOA 1
nsgbr.comlaude.co.uk dnstech.comlaude.com
SRV 1
autodiscover.clarionevents.com:443 p40
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
rcpt_31457501c91ddc2c- Output Hash
aef9502ffe76285715dbbb6108092f3c22e8ebc6c64096349fd1c711c9775a17- Signature
ed25519:5bd58823e6a1655f3497428c4086fd202d1f88dd029269b84ed686a6a055d3a329ac78b4399a5700e8fcf8533f163b04e3638c4bf5e533f38b387c420e5fb403- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast