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51changdu.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 4104 ms crawled 2026-05-13

SG · 43.159.94.117 · AS139341 ACE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
畅读书城_好用的读书软件_富春通信旗下公司[300299]—小说阅读，免费完本下载，连载阅读，玄幻，仙侠，言情，都市
Description
好用的手机阅读软件，海量精选小说，全网更新快，一键缓存、离线听书、智能导书、 随心个性化专属阅读风格、是当前功能强大的读书App之一，5000万书友的共同选择；提供玄幻奇幻，现代都市，仙侠武侠,游戏竞技等十三大类热门小说，30万本正版、免费小说；掌上阅读精彩尽在畅读书城！

Technology

Server
ChangduServer

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2014-01-06
Expires
2027-01-06 231 days left
Updated
2023-12-13
Name servers
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net

DNS records

CNAME
  • 51changdu.com.eo.dnse2.com

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-11 to 2026-07-10
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.51changdu.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (1)