On or about 5/21/2018 the cyberlogic DNSBL ceased functioning properly.
https://www.dnsbl.com/2018/05/
As reported on the mailop mailing list on Friday May 25, 2018, the blocking list at dnsbl.cyberlogic.net now contains a "wildcard" DNS entry, effectively listing the entire internet
On or about 5/21/2018 the cyberlogic DNSBL ceased functioning properly.
https://www.dnsbl.com/2018/05/
As reported on the mailop mailing list on Friday May 25, 2018, the blocking list at dnsbl.cyberlogic.net now contains a "wildcard" DNS entry, effectively listing the entire internet