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DNS

DNS maps domains to IPs. Attackers probe records, zone transfers, and subdomains, then exploit misconfigs for poisoning, takeover, hijacking, tunneling, and covert exfiltration via encoded queries

:53 14 guides 3 phases
1 min read Updated: Jul 13, 2026

What is DNS?

DNS (Domain Name System) translates domain names into IP addresses.

Common security issues

  • Zone transfers allowed.

  • Cache poisoning.

  • Misconfigured records.

  • Subdomain takeover.

Default ports

  • 53 (TCP/UDP)

Enumeration

DNS records, zone transfers, subdomains, and misconfig probing guides

6

Reverse DNS Lookup Sweeps

Perform reverse DNS lookup sweeps to map IP ranges to hostnames, uncover hidden infrastructure, and identify targets during network enumeration.

Jan 3, 2026 • 1 min read
Subdomain Brute Forcing

Subdomain Brute Forcing

Systematically discover hidden subdomains by automating DNS queries against wordlists, revealing exposed infrastructure and expanding attack surface visibility.

Jan 3, 2026 • 1 min read

Exploitation

DNS exploitation guides covering poisoning, takeover, and hijacking

7

ADIDNS Poisoning and Hijacking

Exploit Active Directory DNS zones by injecting wildcard records and hijacking ADIDNS to redirect traffic or capture credentials in AD environments.

Mar 11, 2026 • 2 min read

Data Exfiltration

Exfiltrate data via DNS queries using dnscat2, iodine, and manual methods

1