jingsailian.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2769 ms crawled 2026-05-19

CN · 47.103.209.204 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 100/100

Classifying

HTML metadata

Title: 国际教育联盟-一站式竞赛培训-科研定制-留学背景提升服务平台
Description: 国际教育联盟,专注于国际/国内热门高含量量赛事,为高校学生提供了解国际/国内物理竞赛/化学竞赛/商科经济竞赛/科学STEM竞赛数学竞赛,国际AP/IB/ALEVE/IGCSE课程,出国留学申请,留学考试等最新信息优质渠道.
Language: en-US

Technology

Server: nginx
CMS: WordPress

Third-party hosts loaded (1)

sdk.51.la×1

Contact

Phone

2023015751

Registration

Registrar

Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)

Created

2021-10-09

Expires

2027-10-09 507 days left

Updated

2024-04-30

Name servers

vip1.alidns.com
vip2.alidns.com

DNS records live

NS

vip1.alidns.com
vip2.alidns.com

TXT

google-site-verification=dSdu1E3u6K7motBz48DVGs2cwjL4mwVaFRv6b82JAz8

Email authentication no MX

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

Certificate (current)

R13

from 2026-05-05 to 2026-08-03

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.jingsailian.com/

present

strict-transport-security
x-frame-options

findings

missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000