zen-browser.app

.app crawl

First seen 2026-04-12 · Last seen 2026-05-04 · ok HTTP/1.1 200 984 ms crawled 2026-05-04

US · 172.67.73.96 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

Zen Browser

Description

Beautifully designed, privacy-focused, and packed with features.

Language

Generator

Astro v5.18.1

Feeds

Zen Browser Release Notes RSS

Open Graph

color: #da755b
title: Zen Browser
description: Beautifully designed, privacy-focused, and packed with features.

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (1)

static.cloudflareinsights.com×1

Social

DNS records live

NS

aaden.ns.cloudflare.com
nia.ns.cloudflare.com

MX

0 mail.tutanota.de

TXT

Show 4 TXT records

t-verify=ec3c2f26709549ccc384921789146c27
v=spf1 include:spf.tutanota.de -all
Ticket ID - 290639
google-site-verification=HldAn6UqCyfGT0c_pGO-oWGcRgu6zvvRGs1FUA3xiZA

Certificate (current)

WE1

from 2026-04-11 to 2026-07-10

Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://zen-browser.app/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff