Super Tools

Some important tools and its meaning.

Command   Explaination
Blacklist: Check IP or host for reputation
SMTP: Test mail server SMTP (port 25)
MX:   DNS MX records for domain
A:   DNS A record IP address for host name
SPF:   Check SPF records on a domain
TXT: Check TXT records on a domain
PTR:   DNS PTR record for host name
CNAME: DNS canonical host name to IP address
SCAN: Perform a port scan on the host
WHOIS: Get domain registration information
ARIN:  Get IP address block information
SOA:  Get Start of Authority record for a domain
TCP: Verify an IP Address allows tcp connections
HTTP: Verify a URL allows http connections
HTTPS: Verify a URL allows secure http connections
PING:  Perform a standard ICMP ping
TRACE: Perform a standard ICMP trace route
DNS: Check your DNS Servers for possible problems