w3ctech.com

HTML metadata

Technology

Server

nginx

Analytics

• Google Tag Manager

Third-party hosts loaded (3)

• lib.baomitu.com×1
• res.wx.qq.com×1
• www.googletagmanager.com×1

Registration

Registrar

Chengdu West Dimension Digital Technology Co., Ltd.

Created

2009-04-22

Expires

2027-04-22 336 days left

Updated

2025-12-14

Name servers

• hedda.dnspod.net
• popcorn.dnspod.net

DNS records live

NS

• hedda.dnspod.net
• popcorn.dnspod.net

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)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://w3ctech.com/

present

• strict-transport-security

findings

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

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• thinkjs.org×3
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