91rb.app

.app crawl

First seen 2026-04-12 · Last seen 2026-04-13 · ok HTTP/1.1 200 2770 ms crawled 2026-05-15

US · 23.239.105.172 · AS53850 GorillaServers, Inc.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title: 加载中...
Language: en

Technology

Server: nginx

DNS records live

NS

craig.ns.cloudflare.com
isabel.ns.cloudflare.com

Email authentication no MX

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

Certificate (current) wrong cert

R13

from 2026-04-20 to 2026-07-19

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://91rb.app/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=31536000

Linked from (3)