indexo.dev

simonshaoleidu.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-09 · ok HTTP/1.1 200 5133 ms crawled 2026-05-12

US · 192.254.237.233 · AS31898 Oracle Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Simon Shaolei Du 杜少雷
Generator
jemdoc, see http://jemdoc.jaboc.net/

Technology

Server
Apache

Social

Registration

Registrar
Launchpad.com Inc.
Created
2019-06-24
Expires
2026-06-24 34 days left
Updated
2025-06-10
Name servers
  • ns6127.hostgator.com
  • ns6128.hostgator.com

DNS records live

NS
  • ns6127.hostgator.com
  • ns6128.hostgator.com
MX
  • 0 mail.simonshaoleidu.com

Email authentication weak

SPF
v=spf1 a mx include:websitewelcome.com ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtQLrzsODN2pSAzt70LWMSjHmzz+roVW3N0irGQhUOPoc8JZBrqBjd0p6EbGzL1X/HLDGMbcKG5F8CL…
selectors probed

Certificate (current)

R12
from 2026-04-13 to 2026-07-12
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://simonshaoleidu.com/

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

Links to (6)

Linked from (1)