gujinwei.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 1492 ms crawled 2026-05-15

DE · 217.160.0.2 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Jinwei Gu
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×2
fonts.gstatic.com×1

Social

Registration

Registrar

IONOS SE

Created

2014-11-15

Expires

2026-11-15 179 days left

Updated

2025-12-30

Name servers

ns1071.ui-dns.org
ns1043.ui-dns.de
ns1093.ui-dns.com
ns1098.ui-dns.biz

DNS records live

NS

ns1043.ui-dns.de
ns1071.ui-dns.org
ns1093.ui-dns.com
ns1098.ui-dns.biz

MX

10 mx00.ionos.com
10 mx01.ionos.com

Email authentication partial

SPF: v=spf1 include:_spf-us.ionos.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificates

Loading certificate

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.gujinwei.org/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy