Knot is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed June 15, 2026; most recent activity June 15, 2026.
On June 15, 2026, Spamhaus announced the availability of both free and commercial DNS Firewall services. The free service offers access to DNS Response Policy Zones (RPZ) to block IPs associated with malicious…