indexo.dev

deyin-taiji.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 1548 ms crawled 2026-05-16

GB · 213.171.211.188 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Tai Chi in the UK & Europe with the Deyin Taijiquan Institute (UK)
Description
The Deyin Taijiquan Institute is a leading school of Taijiquan (Tai Chi) in the UK. Based in Telford (UK) it has many qualified instructors throughout the UK and Europe. Founders and Chief Instructors: Faye Yip and Tary Yip. Chairman: Professor Li Deyin. A foremost authority on Yang and Sun style Taijiquan in the United Kingdom and Europe.
Language
en
Generator
NoteTab Light 7.2

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • yipadmin.taichilink.uk×9
  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

Social

Registration

Registrar
Mesh Digital Limited
Created
2006-02-18
Expires
2028-02-18 637 days left
Updated
2026-02-13
Name servers
  • ns.heartinternet.uk
  • ns2.heartinternet.uk

DNS records live

NS
  • ns.heartinternet.uk
  • ns2.heartinternet.uk
MX
  • 10 mail.deyin-taiji.com
Verified for
  • Brevo

Email authentication partial

SPF
v=spf1 a mx ip4:213.171.211.188 include:soverin.net -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+1XxttWa4N0V2j6s/kInPHrkE41YnXl9TrNI4RXG8dLUwSSwIJGWCwwDNYlUrWq152jdAhywgnTxqwogYk6…
selectors probed

Certificate (current)

R13
from 2026-03-23 to 2026-06-21
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://deyin-taiji.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (8)

Linked from (2)