nsi.org.uk

.uk crawl

First seen 2026-04-12 · Last seen 2026-05-16 · ok HTTP/1.1 200 1342 ms crawled 2026-05-04

US · 192.124.249.112 · AS30148 Sucuri

Reputation 100/100

Classifying

HTML metadata

Title

NSI - Certification for security and fire protection companies

Description

The UK's top security and fire safety companies are approved by the National Security Inspectorate (NSI). Look for the NSI Gold & Silver hallmarks of approval

Language

en-GB

Canonical

https://www.nsi.org.uk/

Feeds

NSI » Feed RSS
NSI » Comments Feed RSS

Open Graph

url: https://www.nsi.org.uk/
title: NSI - Certification for security and fire protection companies
locale: en_GB
site name: NSI
description: The UK's top security and fire safety companies are approved by the National Security Inspectorate (NSI). Look for the NSI Gold & Silver hallmarks of approval

Technology

Server: Sucuri
CMS: WordPress

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

fonts.googleapis.com×3
js-eu1.hs-scripts.com×2
kit.fontawesome.com×2
maps.googleapis.com×2
fonts.gstatic.com×1
gmpg.org×1
www.google.com×1
www.googletagmanager.com×1

Social

Contact

Phone

2026-04-21 13

Registration

Registrar

UK-2 Limited t/a UK2

Created

1999-11-12

Expires

2033-11-12 2733 days left

Updated

2024-11-05

Name servers

dns1.uk2.net.
dns2.uk2.net.
dns3.uk2.net.

DNS records live

NS

dns1.uk2.net
dns2.uk2.net
dns3.uk2.net

MX

10 eu-smtp-inbound-2.mimecast.com
5 eu-smtp-inbound-1.mimecast.com

TXT

Show 6 TXT records

MS=ms13354215
v=spf1 ip4:144.208.214.205 include:_spf.intacct.com include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:147240312.spf03.hubspotemail.net ~all
OWJrTgIgJAu627fmymbWJ04107DzhGF7/zLvE3iBAs/67PazNgUKt8LscNKuj6Il9j/CxrkkrlY+eIoRWyEtyQ==
intacct-esk=DC618D10303A2A16E0533606410A4343
gwcp3yd7gtn7fq60zjmstzm7lqltp79j
_lrtv7943kqqc2lu9u6diunfz6omg2pm

Certificate (current)

Starfield Secure Certificate Authority - G2

from 2026-04-09 to 2026-07-08

Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.nsi.org.uk/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests;, upgrade-insecure-requests
strict-transport-security: max-age=31536000