npl.co.uk

Observed Jul 22, 2026, 01:22 UTC (1d 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 onAmazon

Email byMicrosoft 365

Secured bySectigo

Also usesGoogle Search Console

tranco_40k

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

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

npl.co.uk

A / AAAA

52.31.103.110

Amazonserves the site

ednssvr1.npl.co.ukednssvr2.npl.co.uk

npl.co.ukanswers its DNS

npl-co-uk.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.npl.co.uk

Sectigo Limitedissued its certificate

DNS Records

A 1

52.31.103.110

MX 1

10npl-co-uk.mail.protection.outlook.com

TXT 8

v=spf1 ip4:139.143.1.71 ip4:139.143.5.0/24 ip4:89.187.90.64/26 ip4:5.10.154.96/29 ip4:213.246.101.9 include:email-od.com include:spf.protection.outlook.com include:msgfocus.com include:spf4.npl.co.uk include:_spf.eploy.net include:spf1.formassembly.com include:spf2.npl.co.uk include:spf1.npl.co.uk include:spf3.npl.co.uk ~all
bw=Ll7TzuKMyfUiE35H1DeM5wuWt1cE83S8lgM7TXUykKog
google-site-verification=lwHpv3uvl_D0-em7yQCknobHcN9D9s5UYkK53PKTIBs
MS=ms91975734
meltwater_sso_20240806
sending_domain1056393=4b79e2fbde32be030532777f73552eacc05286510c99830f08936956c6459100
v=DMARC1;p=none;rua=mailto:dmarc-rua@npl.co.uk;ruf=mailto:dmarc-ruf@npl.co.uk
v=STSv1; id=2024050300

NS 2

ednssvr1.npl.co.uk
ednssvr2.npl.co.uk

SOA 1

ednssvr1.npl.co.uk postmaster.npl.co.uk

TLS Certificates (3)

Common Name	Issuer	Expires
`*.npl.co.uk`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36	Wed, 13 Jan 2027 23:59:59 +0000
`Sectigo Public Server Authentication CA DV 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

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

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

Ed25519 Receipt

Receipt ID: rcpt_351e09dd5c9e8b61
Output Hash: 38bcd9a43b229b72b037276e671dd303651ac5bb87d5cd1ce40ac2c47bde64bc
Signature: ed25519:2a438e33c43886ad81192d6f9769fdf91785cf07ce68551e61720bf43560d475cf5136feb69cfaeb91fba0014b92721701c33975725c23484cca2ee50a82d100
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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