groupon.co.uk

Observed Jul 18, 2026, 13:58 UTC (21h ago). Every field below was attested with an Ed25519 signature at scan time.

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	Sat, 22 Aug 2026 17:54:09 +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: 2639fbf3-8666-4df4-b94e-8f4a56140f48
Output Hash: ac520134512f1217cdfd71c6dc0832bf99cdfc8d46718ced8b7a2c326605f6c8
Signature: ed25519:368c7d93e1a74457be535963bc16aa4a0a4e633a2fb89475218af4031f732d43af5f27db286014b76ba752251658c01fb7e6de15d99c60944888c3fd1809120e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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