51ydjy.com

.com crawl

First seen 2026-05-22 · Last seen 2026-05-30 · ok HTTP/1.1 200 3427 ms crawled 2026-05-28

US · 104.21.77.29 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 果行育德研学|陕西果行育德教育科技有限公司
Description: 陕西果行育德教育科技有限公司旗下企业网站门户
Language: en

Technology

CDN: Cloudflare

Registration

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

Created

2026-03-02

Expires

2027-03-02 274 days left

Updated

2026-05-19

Name servers

ingrid.ns.cloudflare.com
wesley.ns.cloudflare.com

DNS records live

NS

ingrid.ns.cloudflare.com
wesley.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E7

from 2026-05-19 to 2026-08-17

Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.51ydjy.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 (12)