What is the NVZ Score?

Analyze Any Domain's Security

SSL, DMARC, security headers, server info & NVZ Score — in seconds.

Passive scan only — we never modify your domain.

SSL Certificate
Security Headers
DMARC & Email
Domain Age
Server & Tech
NVZ Score
7,730
Domains Scanned
46.8
Avg NVZ Score
100.0%
HTTPS Adoption
Latest Tests View all →
f95zone.com
NVZ: 67
Apr 17
f7casino.com
NVZ: 37
Apr 17
f5silverline.com
NVZ: 37
Apr 17
f5s.de
NVZ: 27
Apr 17
f5nlg.ovh
NVZ: 27
Apr 17
Hall of Fame View all →
thexyz.com
NVZ: 100
current.com
NVZ: 100
coutts.com
NVZ: 100
ymoz.com
NVZ: 100
cubecoders.com
NVZ: 100
Hall of Shame View all →
cra.ir
NVZ: 7
cptech.pro
NVZ: 7
cqcyu.cn
NVZ: 7
cpleft.com
NVZ: 7
cpcl.co.in
NVZ: 7

Frequently Asked Questions

The NVZ (Net Visibility Zone) Score is a 0–100 composite security rating calculated from your domain's SSL certificate, DMARC record, HTTP security headers, MTA-STS policy, security.txt, domain age, and more. Higher is better. See the full scoring breakdown →

Yes — looking up any domain on the website is completely free. The API has a free tier with 50 calls per month. Paid plans start at $15/month for higher volume. View pricing →

A fresh scan typically takes 10–25 seconds depending on the domain's responsiveness. If the domain has been scanned before, the cached result loads instantly. You can request a fresh scan at any time from the results page.

We store publicly observable data about the domain (SSL details, DNS records, HTTP headers) — not about you. If you own a domain and want its scan history removed, contact support@nvzs.com. Learn more about our data →

Passive means we only read publicly available information: your homepage HTML, HTTP headers, DNS records, and WHOIS data. We never attempt to log in, exploit vulnerabilities, or send unexpected traffic to your server beyond a single HTTP request.

Yes. Logged-in users can use the Bulk Scanner to upload a CSV and scan up to 100 domains at once. Developers can use the REST API to integrate domain analysis directly into their own tools.
Need programmatic access?

Integrate domain security data directly into your app or security pipeline via our REST API.

API Docs Pricing