rsph.org.uk

Observed Jul 24, 2026, 22:32 UTC (3d 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 byAmazon SES

Secured byGoogle Trust Services

IPv6 · tranco

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

INFRASTRUCTURE MAPwhat rsph.org.uk actually stands on - every host below is a signed observation

rsph.org.uk

A / AAAA

104.21.85.165172.67.207.1662606:4700:3035::6815:55a52606:4700:3036::ac43:cfa6

Cloudflareserves the site

harvey.ns.cloudflare.comimani.ns.cloudflare.com

cloudflare.comanswers its DNS

d216094.a.ess.uk.barracudanetworks.comd216094.b.ess.uk.barracudanetworks.com

Amazon SESreceives its email

TLS

rsph.org.uk

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.85.165
172.67.207.166

AAAA 2

2606:4700:3035::6815:55a5
2606:4700:3036::ac43:cfa6

MX 2

10d216094.a.ess.uk.barracudanetworks.com
10d216094.b.ess.uk.barracudanetworks.com

TXT 5

6a1gedcceveh9mhi3n6gvgnga9
MS=ms57204053
hj-ownership=dnnseuvXBBXw3sM83X9wjbT
v=spf1 ip4:79.173.151.112/29 ip4:194.75.137.112/29 ip4:83.142.24.82 ip4:94.228.39.12 include:spf.ess.uk.barracudanetworks.com include:mailgun.org include:amazonses.com include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:_spf.distribution.vueliopm.com ~all
v=DMARC1; p=none; rua=mailto:07131becc7584674b6f5e8ac08025e45@dmarc-reports.cloudflare.net

NS 2

harvey.ns.cloudflare.com
imani.ns.cloudflare.com

SOA 1

harvey.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rsph.org.uk`	C=US, O=Google Trust Services, CN=WE1	Thu, 22 Oct 2026 11:40:11 +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 rsph.org.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_e2310680788919a7
Output Hash: fd531e534ff7d9afe041fcbb99592767e63a693e0a281129caed024847ac53e4
Signature: ed25519:0e642115b7acbefa3f32280b36d7aee85d949e008c80eb5a46540fd4c5641e68813216a1df1af20e4415372b7af50516eb267a3e856447f8544545b0aa79a000
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/rsph.org.uk