NetWork Tools

Free IP and Network Tools

Traceroute Using mtr an advanced traceroute tool trace the path of an Internet connection.
Test Ping A common tool for testing connectivity to a host, perform a ping from our server.
DNS Lookup Find DNS records for a domain, results are determined using the dig DNS tool.
Find (A) Records Find forward DNS (A) records for a domain.
Reverse DNS Find Reverse DNS records for an IP address or a range of IP addresses.
Find Shared DNS Servers Find hosts sharing DNS servers.
Zone Transfer Online Test of a zone transfer that will attempt to get all DNS records for a target domain
Whois Lookup Determine the registered owner of a domain or IP address block with the whois tool.
GeoIP Lookup Find the location of an IP address using the GeoIP lookup location tool.
Reverse IP Discover web hosts sharing an IP address with a reverse IP lookup.
TCP Port Scan Determine the status of an Internet-facing service or firewall
UDP Port Scan Online UDP port scan available for common UDP services
Subnet Lookup Online Determine the properties of a network subnet
HTTP Headers View HTTP Headers of a web site. The HTTP Headers reveal system and web application details.
Page Links Dump all the links from a web page.
AS Lookup Get an Autonomous System Number or ASN details from an AS or an IP address.

Easy access to these online IP networking tools is simply convenient, in addition, they perform testing external from your current network giving you a second point of reference when troubleshooting a problem. Some of these tools are built-in Linux operating system tools, so are also helpful if you are testing from your phone or Windows host.

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