नेटवर्क टूल
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Lookup Tools
IP Lookup
Look up detailed information about any IP address including geolocation, ISP, ASN, timezone, and organization.
WHOIS Lookup
Query WHOIS records for any IP address or domain name. Find registrant, registration dates, name servers, and network ranges.
DNS Lookup
Query DNS records for any domain: A, AAAA, MX, NS, TXT, CNAME, SOA, and PTR records. See TTLs and authoritative responses.
Reverse DNS Lookup
Find the hostname associated with an IP address by querying PTR records. Verify forward-confirmed reverse DNS (FCrDNS).
Security Tools
DNS Leak Test
Check if your VPN is leaking DNS requests. Detects DNS queries bypassing your VPN tunnel and exposing your real ISP.
WebRTC Leak Test
Check if WebRTC is exposing your real IP address through STUN requests, even when connected to a VPN.
Open Port Checker
Check if specific ports are open or closed on any IP address or hostname. Scan common service ports for accessibility.
IP Blacklist Check
Check if an IP address is listed on major DNS-based blacklists (DNSBLs) including Spamhaus, Barracuda, and SORBS.
SSL Certificate Checker
Inspect the SSL/TLS certificate of any domain. Check validity, issuer, expiration date, cipher suite, and certificate chain.
Calculator Tools
Subnet Calculator
Calculate subnet details from CIDR notation or subnet mask. Find network address, broadcast, host range, and wildcard mask.
IP Address Converter
Convert IP addresses between formats: decimal, binary, hexadecimal, IPv4-mapped IPv6, and integer representations.
CIDR Aggregator
Aggregate a list of IP addresses or subnets into the minimal set of CIDR blocks. Optimize firewall rules and routing tables.
Analyzer Tools
HTTP Header Analyzer
Analyze HTTP response headers from any URL. Check security headers, caching policies, CORS settings, and server information.
Internet Speed Test
Measure your internet connection speed: download, upload, latency, and jitter. Compare results with your ISP's advertised speeds.
Ping Test
Ping any hostname or IP address to measure round-trip latency, packet loss, and connection stability from our server.