User:Heb/Sandbox
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The Open Relay Database (commonly ORDB or ORDB.org) was a DNS-based Blackhole List, that operated between June 2001[1]and December 2006[2].
The Open Relay Database (commonly ORDB or ORDB.org) was a DNS-based Blackhole List, that operated between June 2001[1]and December 2006[2].