DNS recon Alternatives

DNS recon is described as 'DNS Enumeration Script' and is an app. There are three alternatives to DNS recon for Linux, Python, Mac and Windows. The best DNS recon alternative is Fierce, which is both free and Open Source. Other great apps like DNS recon are SubBrute and Knockpy.

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Get a badge for your siteDNS recon alternatives page was last updated Jun 12, 2025

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Fierce
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Fierce is a semi-lightweight scanner that helps locate non-contiguous IP space and hostnames against specified domains.
Cost / License
Free
Open Source
Platforms
Linux
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Good alternative?Is Fierce a good alternative to DNS recon?
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SubBrute
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SubBrute is a DNS meta-query spider that enumerates DNS records, and subdomains.
Cost / License
Free
Open Source
Platforms
Linux
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Good alternative?Is SubBrute a good alternative to DNS recon?
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Knockpy
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Knockpy is a portable and modular python3 tool designed to quickly enumerate subdomains on a target domain through passive reconnaissance and dictionary scan.
Cost / License
Free
Open Source (GPL-3.0)
Origin
Italy
EU
Platforms
Windows
Linux
Mac
Python
Italy
EU
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Good alternative?Is Knockpy a good alternative to DNS recon?