Internet Service Providers - Network Utility Scripts

How to use these Web Network Utilities:

Dig:
Dig (domain information groper) is a flexible command line tool which can be used to gather information from the Domain Name System servers.

Usage: Can only be used with top level domains.

Example:
mydomain.com
mydomain.net
mydomain.org

Finger:
The finger command displays information about the users from that systems password file or oher datafiles used by the responding site.

Usage: Must be used with fully qualified host and/or domain name and reqistered user at the remote site.

Example:
jjsmith@mydomain.com
jjsmith@mydomain.net
jjsmith@mydomain.org
jjsmith@machine.mydomain.com

Host:
Looks up the IP address of the host or the host of the IP address.

Usage: Must be used with fully qualified host and/or domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
mydomain.com
192.168.1.10

HTTP
The HTTP command displays the entire website source in text of the main web page or whatever page you entered.

Usage: Must be used with fully qualified host and/or domain name.

Example:
www.mydomain.com
www.mydomain.net
www.mydomain.org
www.mydomain.com/index.html

IMAP:
The IMAP command checks to see if the fully qualified host and domain name that was entered is running IMAP services on port 143, and if so, displays the connection banner.

Usage: Must be used with fully qualified host and domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
192.168.1.10

NSlookup:
The nslookup command sends queries to Internet domain name servers for requested information of a host or domain.

Usage: Must be used with fully qualified host and/or domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
mydomain.com
192.168.1.10

Ping:
The utility ping utilizes the ICMP protocol's ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from the specified host or network gateway. If host responds, ping will print the response time, size of data sent and the time to live (TTL). We have set the data size to 1460 to better reflect the true size of the packet and get a better representation of the response.

Usage: Must be used with fully qualified host and/or domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
mydomain.com
192.168.1.10

SMTP:
The SMTP command checks to see if the fully qualified host and domain name that was entered is running SMTP services on port 25, and if so, displays the connection banner.

Usage: Must be used with fully qualified host and/or domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
192.168.1.10

Traceroute:
The traceroute command print the route packets take to network host along with three levels of response time and a count of the number of hops it took.

Usage: Must be used with fully qualified host and/or domain name or routable IP address.

Example:
machine.mydomain.com
machine.mydomain.net
machine.mydomain.org
mydomain.com
192.168.1.10

Whois:
The whois command searches for an Internet directory entry for an identifier which is either a name (such as ``Smith'') or a handle (such as ``SRI-NIC'').

Usage: Must be used with fully qualified registered domain name handles.

Example:
mydomain.com
mydomain.net
mydomain.org