All Tools
A complete collection of free network, DNS, WHOIS and security tools.
No signup required.
32 tools
5 categories
100% free
No signup needed
WHOIS Lookup
4
IP Lookup
Full geolocation, ISP, ASN and WHOIS details for any IPv4 or IPv6 address
Domain Lookup
WHOIS registration, registrar, nameservers and expiry for any domain
ASN Lookup
AS name, organization, CIDR prefixes and BGP data for any ASN
MAC Address Lookup
Identify the manufacturer and vendor OUI from any MAC address
IP Tools
10
What Is My IP?
Instantly see your public IP address, location and ISP
My Location
Detect your device location via IP and browser geolocation
Reverse IP Lookup
Discover all domains hosted on a given IP address
Hostname to IP
Resolve any hostname or domain to IPv4 and IPv6 addresses
Subnet Calculator
Compute network address, broadcast, host range for IPv4/IPv6
Binary Calculator
Convert IP addresses to binary, decimal and hex notation
Random IP Generator
Generate random IPv4 or IPv6 addresses by CIDR range
IP Leak Test
Check whether your VPN or proxy is leaking your real IP address
Traceroute Online
Trace the network path to any host with hop-by-hop latency
Ping Online
Test reachability and response time of any host or IP address
DNS Tools
5
DNS Lookup
Query A, AAAA, MX, NS, TXT, SOA, CNAME and other DNS record types
DNS Propagation Map
Check DNS propagation across 35 global resolvers with a live map
Nameserver Checker
Inspect authoritative nameservers, IPs and TTLs for any domain
Open Resolver Test
Test whether an IP is running an open DNS resolver vulnerable to abuse
DNS Leak Test
Check if your DNS queries are leaking outside your VPN tunnel
Security Tools
11
Blacklist Checker
Test any IP against 40+ active DNSBL and spam reputation lists
SSL Checker
Verify SSL certificate validity, chain, expiry and configuration
HTTP Headers Checker
Inspect all HTTP response headers for any URL or domain
Port Checker
Test whether a specific TCP/UDP port is open on any host
Email Security (SPF/DKIM/DMARC)
Validate SPF, DKIM and DMARC records for any domain
Website Security Scanner
Scan any website for common vulnerabilities and misconfigurations
Email Header Analyzer
Parse and visualize raw email headers to trace message routing
Subdomain Finder
Enumerate subdomains for any domain using DNS and certificate data
Is It Down?
Check whether a website is down for everyone or just for you
Router IP Finder
Detect your router default gateway and local IP via WebRTC
User Agent Parser
Decode browser, OS and rendering engine from any user agent string
Webmaster Tools
2
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