indexo.dev

serotonin.co.uk

.uk crawl

First seen 2026-05-02 · Last seen 2026-05-07 · ok HTTP/1.1 200 1346 ms crawled 2026-05-09

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Serotonin | Digital Marketing Agency Manchester
Description
Proven results with over £250m in client revenue. Explore our services ranging from e-commerce, brand strategy, social media advertising, lead generation, to content creation, and see how we've driven success for brands like Alberts Schloss and ASSOS of Switzerland. 100+ clients globally, we are committed to delivering impactful marketing campaigns that ignite brand growth and increase sales.
Language
en-US
Generator
Webflow

Open Graph

title
Serotonin | Digital Marketing Agency Manchester
description
Proven results with over £250m in client revenue. Explore our services ranging from e-commerce, brand strategy, social media advertising, lead generation, to content creation, and see how we've driven success for brands like Alberts Schloss and ASSOS of Switzerland. 100+ clients globally, we are committed to delivering impactful marketing campaigns that ignite brand growth and increase sales.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Third-party hosts loaded (11)
  • cdn.prod.website-files.com×50
  • ajax.googleapis.com×1
  • assets.calendly.com×1
  • cdn.jsdelivr.net×1
  • d3e54v103j8qbb.cloudfront.net×1
  • embed.small.chat×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • shareables.clutch.co×1
  • www.googletagmanager.com×1
  • www.gstatic.com×1

Social

Registration

Registrar
GoDaddy.com, LLC.
Created
2003-11-24
Expires
2026-11-24 187 days left
Updated
2025-11-25
Name servers
  • harmony.ns.cloudflare.com.
  • tosana.ns.cloudflare.com.

DNS records live

NS
  • harmony.ns.cloudflare.com
  • tosana.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • proxy.webflow.com
Verified for
  • Google
  • Meta

Email authentication partial

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dom@serotonin.co.uk
policy: none (monitoring only)
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAimTEuJDZkP5AFh9wGernKOKAnULpdD8DmhM0a36Nl9mSHGLVTe+pQakghRdfqQc5ANWCqDUpyLOgpi…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuRuOxmG0K7uT/zPRJCluF6/oChvKReGvwQhTvc2OlduN+6mNbGeIHXwPZxugowgXkeMUziOZvHyPpoDfZi…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2QSwXO+yKLGV/FA5FOaMZoWfS3UTwoI8ceYqgdVXLY9zBuye/urZS8pXnWcJvDOtcuo86NjPdM+IFbiOnY…
selectors probed

Certificate (current)

WE1
from 2026-04-20 to 2026-07-19
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://serotonin.co.uk/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
findings
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000

Links to (4)

Linked from (2)