1and1.co.uk

Observed Jul 22, 2026, 01:23 UTC (12h 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 onIONOS SE

Secured bySectigo

Registered withIonos SE

Also usesGoogle Search Console

7 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat 1and1.co.uk actually stands on - every host below is a signed observation

1and1.co.uk

A / AAAA

217.160.86.51217.160.86.49

IONOS SEserves the site

ns-1and1.ui-dns.comns-1and1.ui-dns.bizns-1and1.ui-dns.orgns-1and1.ui-dns.de

ui-dns.com + ui-dns.biz + moreanswers its DNS

mxint01.1and1.commxint02.1and1.com

1and1.comreceives its email

TLS

ionos.co.uk

Sectigo Limitedissued its certificate

DNS Records

A 2

217.160.86.51
217.160.86.49

MX 2

10mxint01.1and1.com
10mxint02.1and1.com

TXT 11

QyRUOZNw+nu/7/3BalKnRFW/McxfA6zIrBmoSo8NO5poV/r+BpZ/Go2mZSCSqQ4JJxQCvaib7od41G7KZa5iug==
2lwy1jnp534gzqlfxnlvsj7hhss7t5c5
Y5ieXO8GK+uBHxXLWwPgpU5ZCom3yVhRU1doqHt0CJDV6iSZNC7j0664EkXlBkI6Ucgr5St8m2X9Xw5Ht7l8Yg==
google-site-verification=E2q8E9q8NoKjvKnDaDXUOnMTRL0KNxUFo2Bp2rsTjV4
MjSIdXUMd1cDcHWSa7OX5ZJe5PjI0IsyQByFtFAIXyBuZaJknefoqg7z8WPEmHkBjGnc/tPxaDYQwzaZUM7w8g==
cwfww7vmr4m9q634kkzg1yrtn6zx74tl
MS=ms41868043
+iKuqifTCMg8TZ7gWfVuKpbK2RozQ9oQnyTNlD7M8q+C3y+CCvC3M8U8vrIOWEyYsZu70YyEzv2QOzmVErToow==
33qb7w0gcxd0dyfbrx3hglqw1ywdbmtm
v=spf1 include:_spf.1und1.de include:spf.protection.outlook.com -all

NS 4

ns-1and1.ui-dns.com
ns-1and1.ui-dns.biz
ns-1and1.ui-dns.org
ns-1and1.ui-dns.de

SOA 1

rns.ui-dns.de dnsadmin.1und1.de

SRV 1

mail.united-internet.org:443 p100

TLS Certificates (4)

Common Name	Issuer	Expires
`ionos.co.uk`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36	Mon, 28 Sep 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA OV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services	Sun, 31 Dec 2028 23:59:59 +0000

Subdomains (7)

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 1and1.co.uk. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/1and1.co.uk">
  <img src="https://domaindrift.io/badge/1and1.co.uk.svg"
       width="300" height="64" alt="DomainDrift signed observations for 1and1.co.uk">
</a>

Ed25519 Receipt

Receipt ID: rcpt_f864dd4f2f0fac72
Output Hash: e4321a53f571783f27c5f5124f96d531fb842a2c7de0c3d163036a749853a847
Signature: ed25519:57c7e65576c19a8f73badabbea496f58db6dab9adfa5625be81b788064d4a8b6a9a4a78ac637dc9435abe54fe1e4954170ff9795018a735b6781ab477972a104
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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