indexo.dev

huan-zhang.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-20 · ok HTTP/1.1 200 2831 ms crawled 2026-05-16

US · 104.21.96.11 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Huan Zhang's Home Page -- University of Illinois Urbana-Champaign (UIUC)
Generator
jemdoc, see http://jemdoc.jaboc.net/

Technology

CDN
Cloudflare

Social

Registration

Registrar
NameSilo, LLC
Created
2012-01-24
Expires
2033-01-24 2440 days left
Updated
2023-08-08
Name servers
  • hugh.ns.cloudflare.com
  • leah.ns.cloudflare.com

DNS records live

NS
  • hugh.ns.cloudflare.com
  • leah.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Brevo
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com include:spf.sendinblue.com mx ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

WE1
from 2026-03-21 to 2026-06-19
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://huan-zhang.com/

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

Links to (11)

Linked from (2)