ridgeback.co.uk

Observed Jul 26, 2026, 06:16 UTC (6d 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

Up right now

Runs onCloudflare

Email bySendGrid

Secured byGoogle Trust Services

Also usesGoogle Search Console

IPv6 · majestic

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

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

ridgeback.co.uk

A / AAAA

172.67.75.154104.26.9.142104.26.8.1422606:4700:20::681a:88e+2 more

Cloudflareserves the site

adam.ns.cloudflare.comlana.ns.cloudflare.com

cloudflare.comanswers its DNS

d220819.a.ess.uk.barracudanetworks.comd220819.b.ess.uk.barracudanetworks.com

SendGridreceives its email

TLS

ridgeback.co.uk

Google Trust Servicesissued its certificate

DNS Records

A 3

172.67.75.154
104.26.9.142
104.26.8.142

AAAA 3

2606:4700:20::681a:88e
2606:4700:20::681a:98e
2606:4700:20::ac43:4b9a

MX 2

10d220819.a.ess.uk.barracudanetworks.com
20d220819.b.ess.uk.barracudanetworks.com

TXT 5

MS=ms22911859
google-site-verification=jiwsbduBl2H78gZEniGs_ouELUsx0yNClbgvVWDz04Q
v=DMARC1; p=quarantine; rua=mailto:mailbox.security@ridgeback.co.uk; ruf=mailto:mailbox.security@ridgeback.co.uk; rf=afrf; fo=1; adkim=r; aspf=r
v=spf1 ip4:81.128.184.81/32 ip4:213.121.178.39/32 include:spf.dotmailer.com include:sendgrid.net include:spf.ess.uk.barracudanetworks.com ~all
v=DMARC1; p=quarantine; rua=mailto:mailbox.security@ridgeback.co.uk; ruf=mailto:mailbox.security@ridgeback.co.uk; rf=afrf; fo=1; adkim=r; aspf=r

NS 2

adam.ns.cloudflare.com
lana.ns.cloudflare.com

SOA 1

adam.ns.cloudflare.com dns.cloudflare.com

SRV 1

webmail.madison.co.uk:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`ridgeback.co.uk`	C=US, O=Google Trust Services, CN=WE1	Thu, 03 Sep 2026 05:42:12 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ridgeback.co.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5ab917d6c55a71fa
Output Hash: 998e633e7d2b999649b7723cfe42668fb945d3a7cde679b38d2eed990347653a
Signature: ed25519:2f9fe29c0d6cae7aa7ed4caafc33a40ab1cfa04d2c14f1bc5ad4f6ec36b64595319cf92eb2f532c3ec61700ada154606375a9276caed8f0cd7694492b9f48409
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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