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(Answer) (Category) SpamCop FAQ : (Category) SpamCop Blocking List information :
How can I check if an IP is on the list?

If you want to use the list manually, or from custom software, you should instruct your system to do a dns query for the information. For example, if you want to check if is on the blocklist, you might type this at the command-line:


If you get back an IP address (typically, then the IP you asked about is listed. If you get back a non-existant message, then the IP you asked about is not listed.

"nslookup" is just the most common method for looking up a hostname. Your system may have another name for it. Other common names are "host" and "dig".

Alternatively, you can look up an IP address on the web lookup form .
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