jlc-dfm.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 4478 ms crawled 2026-05-18

CN · 120.78.221.231 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 嘉立创DFM | 一键分析PCB设计缺陷 | PCB/SMT 3D看图 | 实用的GerberViewer工具
Description: 嘉立创DFM，一款强大的可制造性分析工具，一键分析设计缺陷，预警生产障碍，避免错误流入下一工序，为您的硬件设计保驾护航

Technology

Server: Tengine
CMS: Next.js

Third-party hosts loaded (1)

static.jlc.com×3

Contact

Phone

Registration

Registrar

Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)

Created

2023-03-23

Expires

2028-03-23 674 days left

Updated

2026-04-04

Name servers

dns21.hichina.com
dns22.hichina.com
ns3.dnsv2.com
ns4.dnsv2.com

DNS records live

NS

dns21.hichina.com
dns22.hichina.com

CNAME

alb-ajk967dvek5crwb4k9.cn-shenzhen.alb.aliyuncs.com

Email authentication no MX

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

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA

from 2025-05-19 to 2026-05-31

Expires in 12 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.jlc-dfm.com/

findings

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