How to Extract the Registrable Domain (eTLD+1) From a URL the Right Way

• 22 June 2026
• by: Daniel Reyes
• in: Domain Name
• Tags: eTLD+1, public suffix list, registrable domain, tldextract, url parsing
• note: no comments

Learn how to extract the registrable domain (eTLD+1) from a URL correctly using the Public Suffix List. Code in Python, JavaScript, and Java, plus edge cases.

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