51gefu.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 1603 ms crawled 2026-05-14

US · 172.67.171.100 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 戈孚青少儿英语
Language: en

Technology

CDN: Cloudflare

Registration

Registrar

Gname.com Pte. Ltd.

Created

2023-02-27

Expires

2027-02-27 284 days left

Updated

2025-12-24

Name servers

collins.ns.cloudflare.com
eoin.ns.cloudflare.com

DNS records live

NS

collins.ns.cloudflare.com
eoin.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1

from 2026-03-23 to 2026-06-21

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://51gefu.com/

findings

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

Linked from (50)