🌐 Free DNS Monitoring Tools Revealing Stealthy Attacks 🌐

DNS is the backbone of your network – and attackers increasingly exploit it for data exfiltration, command-and-control, and malware communication. The good news? There are free tools CISOs can use to monitor and detect stealthy DNS attacks.

Here are the top free DNS monitoring tools:

1️⃣ SecurityTrails Free Tier – Track domain changes, DNS records, and suspicious activity.
πŸ”— https://securitytrails.com/

2️⃣ Farsight DNSDB (Community Access) – Historical DNS data to detect anomalies.
πŸ”— https://www.farsightsecurity.com/solutions/dnsdb/

3️⃣ PassiveTotal (Free Plan) – Aggregates DNS and threat intelligence for early detection.
πŸ”— https://www.riskiq.com/solutions/passivetotal/

4️⃣ OpenDNS Investigate (Free Tier) – Domain reputation and threat visibility from Cisco.
πŸ”— https://umbrella.cisco.com/products/investigate

5️⃣ Quad9 DNS Monitoring – Free recursive DNS service with threat blocking and logging.
πŸ”— https://www.quad9.net/

6️⃣ Pi-hole – Network-level DNS sinkhole that can monitor and block suspicious domains.
πŸ”— https://pi-hole.net/

7️⃣ Dnstrails Community Edition – DNS intelligence and threat mapping.
πŸ”— https://dnstrails.com/

⚑ These tools provide early indicators of compromise, helping CISOs spot threats before they escalate. DNS monitoring is often overlooked, but it’s a powerful layer of defense.

At AUMINT.io, we combine technical monitoring with human attack simulations, showing how attackers leverage phishing, vishing, and social engineering to exploit DNS and user behavior simultaneously.

πŸ”— Want to see how your team would react to DNS-targeted attacks? Book a free demo

#DNSMonitoring #CISO #CyberSecurity #ThreatDetection #AUMINT