sflxsw.com

.com ok HTTP/1.1 200 379 ms

First seen 2026-06-18 · Last seen 2026-06-18 · crawled 2026-06-18

US · 172.67.137.84 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector education subsector education media type homepage

HTML metadata

Title: 宋凤兰教育开发网北京念雪归尘网络技术有限公司
Description: -
Language: en

Technology

CDN: Cloudflare
CMS: Gatsby

Registration

Registrar

Gname.com Pte. Ltd.

Created

2004-05-18

Expires

2027-05-18 332 days left

Updated

2026-06-16

Name servers

hasslo.ns.cloudflare.com
kallie.ns.cloudflare.com

DNS records live

NS

hasslo.ns.cloudflare.com
kallie.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1

from 2026-06-16 to 2026-09-14

Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (50)

Linked from (6)

Use this data via API

Everything on this page for sflxsw.com is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/sflxsw.com" \
  -H "X-API-Key: idx_..."

Read the docs & get a free key →

Add a badge to your site

Own sflxsw.com? Show it's tracked on indexo.dev and link visitors straight to this page.

<a href="https://indexo.dev/sflxsw.com" target="_blank" rel="noopener">
  <img src="https://indexo.dev/sflxsw.com/badge.svg" alt="indexo.dev — sflxsw.com">
</a>