521cards.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 720 ms crawled 2026-06-02

US · 140.188.32.136 · AS398823 PEG TECH INC

Reputation 95/100 weak security headers

sector entertainment type homepage

HTML metadata

Title: 徐州市霜瀚科技有限公司
Description: 徐州市霜瀚科技有限公司，阿凡达3新威胁来临，玩具总动员5温情满满，2026电影刷爆准备好了吗，迈克尔杰克逊争议不断
Language: en

Technology

Server: nginx

Registration

Registrar

Gname 293 Inc

Created

2025-09-23

Expires

2026-09-23 112 days left

Updated

2025-09-26

Name servers

a8.share-dns.com
b8.share-dns.net

DNS records live

NS

a.share-dns.com
b.share-dns.net

Email authentication no MX

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

Certificate (current)

R12

from 2026-05-01 to 2026-07-30

Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (5)