duolahub.com

.com ok HTTP/1.1 200 633 ms

First seen 2026-06-18 · Last seen 2026-06-18 · crawled 2026-06-18

US · 172.67.223.200 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector tech subsector software saas type homepage

HTML metadata

Title: 杭州公因式科技有限公司
Description: 杭州公因式科技有限公司成立于2021年03月05日，注册地位于浙江省杭州市滨江区西兴街道江陵路2028号星耀城3幢1901-15A室，法定代表人为黄伟。经营范围包括一般项目：软件开发；互联网销售（除销售需要许可的商品）；信息技术咨询服务；技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；互联网数据服务；人工智能应用软件开发；网络与信息安全软件开发；人工智能基础软件开发；人工智能理论与算法软件开发；数字文化创意软件开发；文具用品批发；广告设计、代理（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）。
Language: en

Technology

CDN: Cloudflare
CMS: Gatsby

Registration

Registrar

Gname 217 Inc

Created

2026-06-14

Expires

2027-06-14 359 days left

Updated

2026-06-15

Name servers

coleman.ns.cloudflare.com
kristina.ns.cloudflare.com

DNS records live

NS

coleman.ns.cloudflare.com
kristina.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1

from 2026-06-15 to 2026-09-13

Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://duolahub.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 (5)

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