indexo.dev

59xuexi.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 6390 ms crawled 2026-05-18

CN · 175.178.255.4 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
59学习网 - 助您快速获取IT职业技能证书！
Description
59学习网致力于帮助考生、企业员工快速获取华为认证、思科认证、pmp认证、红帽认证等IT职业技能证书。分享认证学习资料、视频教程、题库、考试攻略。正规专业的IT认证考试、报名、培训业务于一体的多元化平台。
Language
zh-CN

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (2)

  • analytics.ahrefs.com×1
  • pub.idqqimg.com×1

Contact

Phone

Registration

Registrar
DNSPod, Inc.
Created
2019-05-25
Expires
2030-05-25 1466 days left
Updated
2022-08-30
Name servers
  • turkey.dnspod.net
  • violet.dnspod.net

DNS records live

NS
  • turkey.dnspod.net
  • violet.dnspod.net
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com
TXT
  • google-site-verification=JmblFgojNrRMNK86lgFzrEBNczAUEgHJLYNZkid0g_k

Email authentication weak

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

Certificate (current)

R13
from 2026-05-08 to 2026-08-06
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.59xuexi.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (8)

Linked from (2)