yisongyue.com

.com crawl

First seen 2026-04-25 · Last seen 2026-05-19 · ok HTTP/1.1 200 5945 ms crawled 2026-05-19

US · 64.29.17.1 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Home - Yisong Yue
Description: Home - Yisong Yue

Technology

CDN: Vercel
CMS: WordPress

Social

Registration

Registrar

DreamHost, LLC

Created

2005-03-10

Expires

2027-03-09 292 days left

Updated

2026-02-06

Name servers

ns1.vercel-dns.com
ns2.vercel-dns.com

DNS records live

NS

ns1.vercel-dns.com
ns2.vercel-dns.com

Email authentication no MX

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

Certificate (current)

R12

from 2026-04-16 to 2026-07-15

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.yisongyue.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=63072000