indexo.dev

dumiyu.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 2322 ms crawled 2026-05-06

CN · 8.141.95.57 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
土工膜-HDPE防渗膜-复合土工膜价格-山东鑫宇土工材料工程有限公司
Description
山东鑫宇土工材料工程有限公司专业生产土工布,土工膜价格,复合土工膜，hdpe土工膜，hdpe防渗膜，是国家工业用布中心授权厂家,是始终致力于我国土工材料土工布,土工膜,复合土工膜,土工格栅,土工材料等行业良性发展的倡导者

Technology

Server
nginx
CMS
Gatsby

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2014-02-15
Expires
2027-02-15 270 days left
Updated
2026-01-20
Name servers
  • dns31.hichina.com
  • dns32.hichina.com

DNS records

Email authentication no MX

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

Certificate (current)

R13
from 2026-03-10 to 2026-06-08
Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (2)