The Invisible Shield of Your Internet Infrastructure: DNS Security
DNS security is an unseen but critical defense layer when connecting to the internet. It is the first step in preventing threats such as phishing attacks, spoofing, and data breaches.
72% of companies do not sufficiently implement critical domain security
Phishing attacks are involved in 90% of data breaches
Around 382,000 domain names were found to have DNS update vulnerabilities
DNS Security: Protect Your Digital Infrastructure
DNS security is your first line of defense against cyberattacks. Prevent phishing, spoofing, and data breaches.
DNS Security Advantages
Modern DNS security protects your infrastructure, users and data by stopping attacks earlier and keeping lookups fast and private.
Threat Mitigation
Blocks DNS-based attacks such as cache poisoning and DDoS vectors at the resolver level.
Faster, Safer Resolution
Improves lookup reliability and latency with validated responses and intelligent routing.
Data Privacy
Encrypts and isolates DNS queries to protect user privacy and prevent eavesdropping.
Cloud-native Resilience
Seamlessly integrates with cloud networks for scalable, always-on DNS protection.
DNS Security Advantages
Modern DNS security protects your infrastructure, users and data by stopping attacks earlier and keeping lookups fast and private.
DNS Attack Types
Common threats, impact & recommended mitigations
DNS Amplification (DDoS)
Abusing open resolvers to reflect and amplify traffic toward a victim, overwhelming bandwidth or infrastructure.
Mitigation: Rate-limit responses, disable open recursion, use ACLs, and deploy upstream anti-DDoS / filtering.
DNS Cache Poisoning
Injecting false DNS records into caches so users are redirected to malicious endpoints.
Mitigation: Use DNSSEC, minimize TTLs for sensitive records, validate upstream resolvers, and keep software patched.
DNS Spoofing / Forgery
Forging responses to trick clients into accepting incorrect addresses (often combined with MITM).
Mitigation: DNSSEC, source port randomization, response validation, and encrypted DNS transports (DoT/DoH).
DNS Tunneling
Exfiltrating data or covertly communicating by encoding payloads inside DNS queries/responses.
Mitigation: Monitor uncommon query patterns, restrict outbound DNS to authorized resolvers, and use IDS/IPS detection.
NXDOMAIN / Query Flood
Flooding the resolver with bogus or non-existent queries to exhaust resources and degrade service.
Mitigation: Rate-limiting, response caching, upstream filtering, and behavior-based anomaly detection.
Zone Transfer Abuse
Unauthorized AXFR/IXFR requests exposing zone data (hostnames, internal ranges).
Mitigation: Restrict zone transfers to specific IPs, require TSIG for transfers, and audit server configs.