blackwell.co.uk

Observed Aug 16, 2026, 11:39 UTC (3h 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.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Runs onCloudflare

Email byMimecast

Secured byCorporation Service Company

Registered with34SP.com Limited

Also usesMicrosoft 365KnowBe4

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat blackwell.co.uk actually stands on - every host below is a signed observation

blackwell.co.uk

A / AAAA

109.169.68.201

Cloudflareserves the site

ns.34sp.comns2.34sp.com

34sp.comanswers its DNS

eu-smtp-inbound-2.mimecast.comeu-smtp-inbound-1.mimecast.com

Mimecastreceives its email

TLS

*.blackwell.co.uk

Corporation Service Companyissued its certificate

DNS Records

A 1

109.169.68.201

MX 2

20eu-smtp-inbound-2.mimecast.com
10eu-smtp-inbound-1.mimecast.com

TXT 6

0ed1fe018a1f66a31d8d1d4ff3aeaa58cb76d7fa8e
0ed1fe018a654bd9b34b0b4265952af3bf7f75f585
MS=E3D2664ED530C561B60ED5A
knowbe4-site-verification=8b14d45ab1ef6956435f6e62eb6ff2bb
MS=ms76297967
v=spf1 ip4:213.177.248.96/27 ip4:87.117.239.69/32 include:eu._netblocks.mimecast.com include:_spf.pur3.net -all

NS 2

ns.34sp.com
ns2.34sp.com

SOA 1

ns.34sp.com hostmaster.34sp.com

SRV 1

webmail.blackwell.co.uk:443 p0

DMARC_RECORDS 1

v=DMARC1; p=none; rua=mailto:05b6c5634047570@rep.dmarcanalyzer.com; ruf=mailto:05b6c5634047570@for.dmarcanalyzer.com; fo=1;

BIMI_RECORDS 1

v=BIMI1; l=https://cdn.waterstones.com/bimi/b.svg; a=; avp=brand;

TLS Certificates (3)

Common Name	Issuer	Expires
`*.blackwell.co.uk`	C=US, O=Corporation Service Company, CN=Corporation Service Company RSA OV SSL CA 2	Sat, 19 Dec 2026 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Wed, 21 Mar 2046 23:59:59 +0000
`Corporation Service Company RSA OV SSL CA 2`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Sun, 13 May 2035 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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID: rcpt_95d573885e2ae521
Output Hash: 92065edfcfd0492f69836c902672bbb49fbc0ad5191532121c1222646dbbe7bc
Signature: ed25519:6bf7b5f84899b4719c21219465c3fb621524ea831fa46378223042c414e4641ad3a792f0fda73caba50173188ca2d02045d3e5556b7ae46b2a17847f13adb907
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/blackwell.co.uk