521m.com

.com crawl

First seen 2026-04-23 · Last seen 2026-04-27 · ok HTTP/1.1 200 3717 ms crawled 2026-05-16

US · 23.248.222.46 · AS138415 Yancy Limited

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
吾爱耽美网_书友最值得收藏的网络小说阅读网
Description
吾爱耽美网提供最新最热的网络小说在线阅读,最新章节免费阅读小说网!
Language
zh

Technology

Server
ceracdn

Registration

Registrar
Gname 253 Inc
Created
2025-06-11
Expires
2026-06-11 22 days left
Updated
2025-06-11
Name servers
  • a6.share-dns.com
  • b6.share-dns.net

DNS records live

NS
  • a.share-dns.com
  • b.share-dns.net
CNAME
  • 51c0290b.ceracdn.net

Email authentication no MX

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

Certificate (current)

R12
from 2026-03-27 to 2026-06-25
Expires in 36 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://521m.com/

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

Links to (50)

Linked from (2)