Tools

IPv4 Network

IPv4

IPv6 Network

IPv6

System Info

Device

Browser Identity

Software

Connection Speed

Metrics
Measuring...

Server Intelligence

Headers

Ping Test

Latency
Open this tab to run latency tests

WebRTC Leak Test

Privacy
Open this tab to check WebRTC leaks

Blacklist Check

DNSBL
Check an IPv4 against 12 spam blacklists

Subnet Calculator

CIDR
Enter CIDR notation (e.g., 192.168.1.0/24)

DNS Lookup

DNS
Enter a domain to look up A, AAAA, MX, NS, TXT, CNAME, SOA records

Reverse DNS

PTR
Resolve hostname from IP via PTR record

WHOIS / RDAP

Registry
Look up registration info for any domain or IP

Port Scanner

TCP
Scan 12 common TCP ports on any host

SSL Certificate

TLS
Check SSL cert validity, expiry and issuer for any domain

TLS Handshake

Cipher
Inspect TLS version, cipher suite and certificate chain depth

Tech Stack

Detect
Detect CMS, frameworks, CDN and security headers from any URL
Select a type to begin
Colour Presets
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Output