davidnostas.com

.com crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 1420 ms crawled 2026-06-03

US · 104.21.64.243 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 智通教育有限公司
Description: 智通教育有限公司
Language: en

Technology

CDN: Cloudflare
jQuery: 1.4.2 known XSS (<3.5)

Registration

Registrar

Metaregistrar BV

Created

2026-01-12

Expires

2027-01-12 221 days left

Updated

2026-05-24

Name servers

cris.ns.cloudflare.com
nancy.ns.cloudflare.com

DNS records live

NS

cris.ns.cloudflare.com
nancy.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8

from 2026-05-24 to 2026-08-22

Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.davidnostas.com/

findings

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

Links to (18)

Linked from (20)