qumac.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 3687 ms crawled 2026-05-19

HK · 156.236.112.131 · AS150706 Hong Kong Zhengxing Technology Co., Ltd.

Reputation 87/100 weak security headers no dmarc policy

sector tech type blog

HTML metadata

Title: 攻城狮笔记 – Eric's notebook
Description: 攻城狮笔记 Eric's notebook
Language: zh-CN
Generator: WordPress 6.3.8

Open Graph

url: https://qumac.com
title: 攻城狮笔记 – Eric's notebook
description: 攻城狮笔记 Eric's notebook

Technology

Server: LiteSpeed
CMS: WordPress

Third-party hosts loaded (1)

img02.4d4y.com×1

Registration

Registrar

GoDaddy.com, LLC

Created

2009-05-08

Expires

2027-05-08 352 days left

Updated

2026-05-15

Name servers

ns11.domaincontrol.com
ns12.domaincontrol.com

DNS records live

NS

ns11.domaincontrol.com
ns12.domaincontrol.com

MX

10 mxbiz2.qq.com
5 mxbiz1.qq.com

Email authentication weak

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

Certificate (current)

R12

from 2026-04-10 to 2026-07-09

Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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