guangzhaohe.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-13 · ok HTTP/1.1 200 2671 ms crawled 2026-05-12

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Guangzhao (Alex) He
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Analytics

Statcounter

Third-party hosts loaded (1)

c.statcounter.com×1

Social

Registration

Registrar

NameSilo, LLC

Created

2025-02-02

Expires

2027-02-02 259 days left

Updated

2026-01-02

Name servers

ns1.dnsowl.com
ns2.dnsowl.com
ns3.dnsowl.com

DNS records live

NS

ns1.dnsowl.com
ns2.dnsowl.com
ns3.dnsowl.com

Email authentication no MX

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

Certificate (current)

R13

from 2026-04-12 to 2026-07-11

Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.guangzhaohe.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=31556952