What DNS resolver are you using? Spamhaus blocks many public resolvers such as Cloudflare (1.1.1.1) and Google (8.8.8.8) by returning listing for all queries.
What DNS resolver are you using? Spamhaus blocks many public resolvers such as Cloudflare (1.1.1.1) and Google (8.8.8.8) by returning listing for all queries.