indexo.dev

alexgao.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2229 ms crawled 2026-05-19

US · 172.96.206.235 · AS25820 IT7 Networks Inc

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
404 Not Found

Technology

Server
nginx

Registration

Registrar
Name.com, Inc.
Created
2007-08-30
Expires
2028-08-30 832 days left
Updated
2023-07-13
Name servers
  • ns1cnb.name.com
  • ns2fgv.name.com
  • ns3cna.name.com
  • ns4sxy.name.com

DNS records live

NS
  • ns1cnb.name.com
  • ns2fgv.name.com
  • ns3cna.name.com
  • ns4sxy.name.com
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication weak

SPF
v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-04-18 to 2026-07-17
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://alexgao.com/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)