zczc.cz

.cz crawl

First seen 2026-05-19 · Last seen 2026-05-29 · ok HTTP/1.1 200 13050 ms crawled 2026-05-24

US · 104.21.90.52 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector tech type homepage

HTML metadata

Title

rwv

Description

rwv's personal homepage - Projects include InBrowser.App, Look Scanned, Chinese DOS Games and more.

Language

Canonical

https://rwv.dev/

Translations

Open Graph

url: https://rwv.dev/
title: rwv
locale: en_US
site name: rwv
description: rwv's personal homepage - Projects include InBrowser.App, Look Scanned, Chinese DOS Games and more.
locale:alternate: zh_CN

Technology

CDN: Cloudflare

Third-party hosts loaded (1)

rwv.dev×4

Social

Registration

Registrar

REG-1API

Created

2017-10-09

Expires

2027-10-08 494 days left

Updated

2025-11-24

Name servers

megan.ns.cloudflare.com
terry.ns.cloudflare.com

DNS records live

NS

megan.ns.cloudflare.com
terry.ns.cloudflare.com

MX

10 mx.zoho.com
20 mx2.zoho.com

Verified for

Google

Email authentication strong

SPF: v=spf1 include:zoho.com ~all
softfail (~all)
DMARC: v=DMARC1; p=reject; rua=mailto:6a6e3393812a41b1b3046ea81f1ae176@dmarc-reports.cloudflare.net,mailto:i@zczc.cz
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-05 to 2026-07-04

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://zczc.cz/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload