Gary Misner:Responsibly Being Irresponsible  - HOME

Saturday, January 7, 2012

Reverse DNS Lookup

Reverse DNS Lookup: "This site does a reverse DNS lookup of an IP address by searching domain name registry and registrar tables. IP addresses are four numbers in the range of 0 to 255 separated by periods.
You may be able to identify the domain name of a spammer sending you spam email or the domain name of a computer trying to break into your firewall or someone trying to hack your system."

'via Blog this'

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