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A blocklist check is just a DNS lookup, so you can run one by hand. Flip the IP's four octets around, add the list's zone on the end, and ask for an A record with dig.

10/10/26, 10:46 am0 reposts0 likes

Generator Labs

@generatorlabs.com

An answer somewhere in 127.0.0.x means the IP's listed. No record at all means it's clean. Handy when you want to double-check a single listing yourself. www.rfc-editor.org/rfc/rfc5782