yirenduzui.com

.com crawl

First seen 2026-05-22 · Last seen 2026-05-30 · ok HTTP/1.1 200 4389 ms crawled 2026-05-28

US · 104.21.91.116 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 北京创讯飞腾科技发展_北京创讯飞腾科技发展有限公司
Description: 北京创讯飞腾科技发展有限公司旗下企业网站门户

Technology

CDN: Cloudflare

Registration

Registrar

Metaregistrar BV

Created

2025-11-10

Expires

2026-11-10 162 days left

Updated

2026-05-23

Name servers

carla.ns.cloudflare.com
matias.ns.cloudflare.com

DNS records live

NS

carla.ns.cloudflare.com
matias.ns.cloudflare.com

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-05-23 to 2026-08-21

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.yirenduzui.com/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (30)

Linked from (11)