Category: Spam/Antispam

How to Check Spam Blacklists (RBLs)
article #241, updated 1735 days ago

Here is an excellent tool to check if your IP or domain is on a spam blacklist (a.k.a. RBL):

Type “” for domain checks.

Another is here, IP only:

Both check rather large collections of blacklists, as you watch.

Categories:   Spam/Antispam