indexo.dev

arctangent.co.uk

.uk crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 3773 ms crawled 2026-05-13

GB · 138.68.149.230 · AS14061 DigitalOcean, LLC

Reputation 94/100 dmarc monitor-only

sector other type homepage

HTML metadata

Title
ArcTanGent
Language
en

Technology

Server
nginx
CMS
Gatsby
Analytics
  • Google Tag Manager
Cookie consent
  • Iubenda

Third-party hosts loaded (6)

  • cdn-images.mailchimp.com×1
  • code.jquery.com×1
  • embeds.iubenda.com×1
  • unpkg.com×1
  • www.facebook.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
123-Reg Limited t/a 123-reg
Created
2012-02-27
Expires
2030-02-27 1379 days left
Updated
2025-08-11
Name servers
  • ns09.domaincontrol.com.
  • ns10.domaincontrol.com.

DNS records live

NS
  • ns09.domaincontrol.com
  • ns10.domaincontrol.com
MX
  • 0 arctangent-co-uk.mail.protection.outlook.com

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com a mx ip4:91.216.18.0/24 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net; p=none;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

E7
from 2026-03-21 to 2026-06-19
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://arctangent.co.uk/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (14)

Linked from (2)