DNS zone transfer

Cross-platform resources for DNS zone transfer: curated HTB machines, PortSwigger labs and TryHackMe rooms with validated writeups and related skills.

This page aggregates cross-platform resources to practice DNS zone transfer: retired Hack The Box machines, PortSwigger Web Security Academy labs and TryHackMe rooms, plus curated resources (HackTricks, PortSwigger, etc.) and related skills.

Coverage: 5 challenges across 2 platforms — 4 HackTheBox · 1 TryHackMe. 4 with a Spanish writeup, 4 with a video writeup.

Where to start

Ordered by actual difficulty. At the same level: isolated lab first, then the guided room, and the full machine last.

1. HackTheBox — Bank (Fácil) · 🇪🇸 🇬🇧 📹
2. HackTheBox — Forest (Fácil) · 🇪🇸 🇬🇧 📹
3. TryHackMe — Hip Flask (Medium · ~180 min) · 🇬🇧
4. HackTheBox — Cronos (Medio) · 🇪🇸 🇬🇧 📹
5. HackTheBox — Scavenger (Difícil) · 🇪🇸 🇬🇧 📹

Curated resources

Source	Link
HackTricks	https://book.hacktricks.wiki/en/network-services-pentesting/pentesting-dns.html

HTB machines practicing DNS zone transfer (4)

Machine	OS	Difficulty	Writeup
Bank	Linux	EASY	🇪🇸 🇬🇧 📹
Cronos	Linux	MEDIUM	🇪🇸 🇬🇧 📹
Forest	Windows	EASY	🇪🇸 🇬🇧 📹
Scavenger	Linux	HARD	🇪🇸 🇬🇧 📹

TryHackMe rooms practicing DNS zone transfer (1)

Room	Difficulty	Type	Access	Official
Hip Flask	MEDIUM	Walkthrough	🟢 Free	Open

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Last updated: 2026-08-13