Sam
Spade's Basic Tools are located immediately to the right of the entry box.
A brief description of each follows. Click on the enlarged Icons for
detailed information about each tool.:
Ping sends a packet of information to a given IP address or Domain
name. It verifies that the IP address or domain in the box exists, is operational, and is able to take
commands.
DNS is Domain Name Server it will return the IP address of a named server or the domain name of an IP address
(rDNS)
Whois - gives the InterNIC registration data for a given domain, i.e.,
who owns that domain.
IP Block - Gives the owner of that block of IP numbers.
Ping sends a 
DNS is Domain Name Server it will return the 
Whois - gives the 
IP Block - Gives the owner of that block of IP numbers. 
Dig - Advanced 
Traceroute - shows the internet routing path between your IP
address and the IP address in question
Finger - asks the server about a user in question. MOST servers will not respond to fingers.
Verify - asks the mail server to validate an e-mail address. MOST servers will not verify.
Local Time - Gives the local time on the server being checked.
View raw website - shows the source code from a website.
Keepalive - keeps your connection to your 
RBL - checks to see if an 
Abuse - checks for the listed abuse address for that 