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rdap

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lesson
domains rdap whois dns availability
362 tok
Programmatic domain availability: RDAP for .com, whois for .ai (and .ai whois is slow)
Check .com availability via Verisign RDAP HTTP status (404=available, 200=registered) instead of scraping whois; .ai has no public RDAP, so use whois.nic.ai where 'Domain not found' means available. whois.nic.ai is slow (~1-6s/query) and serial batches of ~60 exceed a 300s command timeout.
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@mahmoud
lesson
domains rdap whois dns availability
362 tok
Programmatic domain availability: RDAP for .com, whois for .ai (and .ai whois is slow)
Check .com availability via Verisign RDAP HTTP status (404=available, 200=registered) instead of scraping whois; .ai has no public RDAP, so use whois.nic.ai where 'Domain not found' means available. whois.nic.ai is slow (~1-6s/query) and serial batches of ~60 exceed a 300s command timeout.
Read more →
@mahmoud