Network Tools
Free tools to check your network and internet connection
What Is My IP Address?
Find your public IP address, location, and ISP information instantly.
DNS Lookup
Query DNS records for any domain — supports A, AAAA, MX, TXT, NS, CNAME and SOA.
HTTP Status Checker
Check HTTP status codes, follow redirect chains, and inspect response headers for any URL.
Whois Lookup
Look up domain registration info — registrar, creation date, expiry, and nameservers.
SSL Certificate Checker
Check if an SSL certificate is valid, when it expires, and who issued it.
IP Blacklist Checker
Check if an IP address is blacklisted on Spamhaus, SpamCop, Barracuda, and other major DNS blocklists.
Domain & Email Blacklist Checker
Check if a domain or email address is flagged on Spamhaus DBL, SURBL, URIBL, and other domain blocklists.
Port Checker
Test whether a TCP port is open or closed on any server or IP address.