shouduzhichan.com

.com crawl

First seen 2026-05-22 · Last seen 2026-05-28 · ok HTTP/1.1 200 7178 ms crawled 2026-05-28

US · 104.21.79.189 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 首知知产_首知（北京）知识产权管理有限公司
Description: 首知（北京）知识产权管理有限公司网站门户欢迎您
Language: en

Technology

CDN: Cloudflare

Registration

Registrar

Gname.com Pte. Ltd.

Created

2022-09-07

Expires

2026-09-07 98 days left

Updated

2026-05-10

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)

E8

from 2026-05-10 to 2026-08-08

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.shouduzhichan.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)