51338.app

.app crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 4124 ms crawled 2026-05-12

HK · 43.199.88.44 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Description: 6686
Language: en_US

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (2)

004nfaa-tiger-fluid.gcmcpm03.com×42
www.googletagmanager.com×2

DNS records live

NS

ns7.alidns.com
ns8.alidns.com

CNAME

policy.npiyes605.com

Email authentication no MX

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

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2025-12-20 to 2026-12-20

Expires in 213 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://51338.app/

present

content-security-policy

findings

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

Header values

content-security-policy: frame-ancestors 'none'

Linked from (3)