astonzhang.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 1113 ms crawled 2026-05-08

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Aston Zhang
Language: en
Generator: quarto-1.8.26

Technology

CDN: Fastly
Server: GitHub.com
CMS: Gatsby

Third-party hosts loaded (1)

ghbtns.com×2

Social

Registration

Registrar

Squarespace Domains II LLC

Created

2017-03-24

Expires

2033-03-24 2500 days left

Updated

2024-06-13

Name servers

ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com

DNS records live

NS

ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com

MX

10 mxa.mailgun.org
10 mxb.mailgun.org

Email authentication weak

SPF: v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-28 to 2026-07-27

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (13)

Linked from (3)