yjzheng.com

.com crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 3262 ms crawled 2026-05-08

US · 142.11.229.134 · AS54290 Hostwinds LLC.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Yujia Zheng
Language
en

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×2

Social

Registration

Registrar
DNSPod, Inc.
Created
2019-05-25
Expires
2029-05-25 1101 days left
Updated
2026-04-25
Name servers
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net

DNS records live

NS
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net

Email authentication no MX

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

Certificate (current)

R13
from 2026-03-28 to 2026-06-26
Expires in 37 days

HTTP security headers

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

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

Links to (12)

Linked from (1)