serious.org.uk

.uk crawl

First seen 2026-04-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 824 ms crawled 2026-05-07

US · 172.67.206.199 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

sector entertainment type homepage

HTML metadata

Title: Serious
Description: Serious create and produce jazz, global & contemporary music concerts, shows and tours, working with artists and musicians from the UK and internationally
Language: en-GB
Generator: SEOmatic
Canonical: https://serious.org.uk/

Open Graph

url: https://serious.org.uk/
title: Serious
locale: en_GB
see also: https://twitter.com/seriouslive
site name: Serious
description: Serious create and produce jazz, global & contemporary music concerts, shows and tours, working with artists and musicians from the UK and internationally

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

s3.eu-west-2.amazonaws.com×10
fonts.googleapis.com×2
webcomponents.spektrix.com×2
cdnjs.cloudflare.com×1
instant.page×1
www.facebook.com×1
www.google.com×1
www.googletagmanager.com×1

Social

Contact

Address: 51 Kingsway Place, Sans Walk, EC1R 0LU, Clerkenwell, London, UK

Registration

Registrar

123-Reg Limited t/a 123-reg

Created

1999-12-13

Expires

2026-12-13 207 days left

Updated

2026-03-30

Name servers

elijah.ns.cloudflare.com.
kristina.ns.cloudflare.com.

DNS records live

NS

elijah.ns.cloudflare.com
kristina.ns.cloudflare.com

MX

0 serious-org-uk.mail.protection.outlook.com

TXT

Show 5 TXT records

ca3-31c88b30b95e49acb0aae687d9886658
facebook-domain-verification=ymza0rx6v7kn1scg01x79zu4cmj12w
qOp3FqNDtMM0ESP+DG1CQepBTH6cb8/t5xkMxG1XfjA+MIMJVQGRR59iJWBm12D6Rszo0lR4o88kgt7wlI4y7Q==
MS=ms29395312
MS=ms48880852

Email authentication strong

SPF: v=spf1 include:spf.protection.outlook.com include:spf.theemaillaundry.net a:smtp.rtwhosting.com a:relay.rtwhosted.co.uk include:_spf.google.com include:_spf.elasticemail.com include:mailgun.org ~all
softfail (~all)
DMARC: v=DMARC1;p=none;pct=100;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

from 2026-04-07 to 2026-07-06

Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://serious.org.uk/

present

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

findings

short HSTS max-age
missing Content Security Policy
weak content type protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff, nosniff
strict-transport-security: max-age=2592000