indexo.dev

davidqiu.com

.com crawl

First seen 2026-04-25 · Last seen 2026-05-15 · ok HTTP/1.1 200 1443 ms crawled 2026-05-14

CN · 8.153.82.130 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
David Qiu's

Technology

Server
nginx

Contact

Phone

Registration

Registrar
Shanghai Meicheng Technology Information Development Co., Ltd.
Created
2011-06-06
Expires
2028-06-06 749 days left
Updated
2026-03-01
Name servers
  • a.ezdnscenter.com
  • b.ezdnscenter.com

DNS records live

NS
  • a.ezdnscenter.com
  • b.ezdnscenter.com
MX
  • 10 mxdomain.qq.com

Email authentication weak

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

Certificate (current)

E7
from 2026-05-08 to 2026-08-06
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://davidqiu.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 (1)