How to use it
- Paste text, markup, or a domain list into the text area.
- Select Extract and Process Domains.
- Check the unique-domain count.
- Review each identified host, derived extension, and syntax badge.
- Copy the output table if you need the extracted inventory.
Rows remain in first-match order and are not sorted or grouped by extension.
What is the purpose of the tool
This page helps list managers see a derived extension value beside each unique domain-like string found in pasted text.
It provides a flat inventory for manual filtering, not an automatic grouped-by-TLD report.
What parameters it generates in output
Processed Inventory reports the number of unique domain-like strings found. # numbers each output row.
Identified Domain / Host is the lowercase matched string. TLD / Extension joins every label after the first dot. Syntax Status shows Valid RFC when every label passes the page's length and edge-character pattern, otherwise Invalid Syntax.
FAQs related to that specific tool
Does the output create a section for each TLD?
No. Every match appears in one flat table.
Are rows sorted by extension?
No. Unique matches keep their first-occurrence order.
How is the extension column derived?
All labels after the first dot are joined with a leading dot.
Is the Public Suffix List used?
No. The code does not identify registrable suffix boundaries.
Are duplicates removed?
Yes. Matches are lowercased before deduplication.
Can the table be copied?
Yes. Copy Output targets the generated table body.