groupon.co.uk

Observed Jul 24, 2026, 19:14 UTC (8d 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 byGoogle Workspace

Secured byGoogle Trust Services

Registered withMarkmonitor Inc.

Also usesFacebook/MetaGoogle Search Console

IPv6 · tranco_40k

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

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

groupon.co.uk

A / AAAA

104.18.20.161104.18.21.1612606:4700::6812:14a12606:4700::6812:15a1

Cloudflareserves the site

gold.foundationdns.comgold.foundationdns.netgold.foundationdns.org

foundationdns.com + foundationdns.net + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

groupon.co.uk

Google Trust Servicesissued its certificate

DNS Records

A 2

104.18.20.161
104.18.21.161

AAAA 2

2606:4700::6812:14a1
2606:4700::6812:15a1

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 8

facebook-domain-verification=xmfexql9erb2gjwmjvkthw4ifw9d50
google-site-verification:abVBT58CI7jZKh5YCYYEk9_ZeixD-uHsv0V6VQbhJQw
google-site-verification=AAsxmvnE9pB6x9dqi6OyhTSKjBE8asF-HqqzBSCPj7o
google-site-verification=P1CcbnmM602r0XTP5AJUJHCkg_SLXuIIYcs-dgQSC4s
google-site-verification=Zp0g5D3Vi1WO2LDdpdg6Zv6UD1RqBzaM3tJmRRph-_g
google-site-verification=mW9DfFqvRvUbuatrRjVHQ_zpvonBkcXfd2SzlXIceZc
v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.salesforce.com ~all
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@groupon.com; ruf=mailto:dmarc_ruf@groupon.com; rf=afrf; pct=100

NS 3

gold.foundationdns.com
gold.foundationdns.net
gold.foundationdns.org

SOA 1

gold.foundationdns.com dns.cloudflare.com

SRV 5

xmpp-server.l.google.com:5269 p5
xmpp-server1.l.google.com:5269 p20
xmpp-server2.l.google.com:5269 p20
xmpp-server3.l.google.com:5269 p20
xmpp-server4.l.google.com:5269 p20

TLS Certificates (3)

Common Name	Issuer	Expires
`groupon.co.uk`	C=US, O=Google Trust Services, CN=WR1	Tue, 20 Oct 2026 18:31:20 +0000
`WR1`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	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 groupon.co.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_31e7a129385edb95
Output Hash: 09c2404f8c2d98ed9d6097b8c10f2669c566fba59ab427fafe2f4199798a4152
Signature: ed25519:6f4c84c10182bbce564570a6f3db79a4b771906a48cb7097fb3d54d791cc5cda26dae871cb2ef7ccda225bc60743407373f700ca525ea810c04d5bf62dfefc05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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