DNS Splitter

DNS Splitter converts zone data into structured DNS records for analysis, migration, and automation, targeting network engineers and DNS administrators.

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About This Tool

DNS Splitter converts zone data into structured records for analysis and migration. It targets network engineers, system admins, and security analysts who receive zone dumps or dig outputs and need precise, normalized access to each record.
The tool accepts zone data in zone_file, dig_output, or CSV-like formats and outputs a normalized array of records with fields such as name, ttl, class, type, and value. It enforces RFC-aligned mapping and can export to JSON or CSV for automation pipelines.
Conceptually, parsing is line-oriented, TTLs are normalized to seconds, and each record is represented as an object. For example, an A record for www.example.com with TTL 3600 becomes {name:'www', ttl:3600, class:'IN', type:'A', value:'93.184.216.34'}. The internal workflow handles multi-line records and ignores comments to ensure clean data delivery.

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How to Use

Provide inputs: zone_data and data_format (zone_file, dig_output, or csv_import).
Optionally set split_mode (type, subdomain, zone).
Run parsing to generate structured records.
Review the records list and counts.
Export as JSON or CSV for automation workflows.

Frequently Asked Questions

Find Quick Answers

What input formats are supported?

Supported inputs include standard zone files, dig/dns outputs, and CSV-like imports. The tool attempts to auto-detect format but can be guided via the data_format input.

How are records represented in output?

Each record is an object with name, ttl (in seconds), class (e.g., IN), type (A, MX, CNAME, etc.), and value as the RDATA string. MX records include priority within the value field when applicable.

Are DNSSEC or EDNS data included?

No. The tool focuses on standard resource records and RFC-aligned zone data. DNSSEC signatures, TSIG, and EDNS options are not parsed or validated.

How does it handle large zone files?

Large zones can be processed in chunks if streaming is enabled, with partial exports available. The tool reports parsing progress and may offer incremental exports to support automation pipelines.

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