advice Tld count for 12000 names, what are my best options ?

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I want to check the tld count for 12000 names, what are my best options? From fastest most efficient method to manually checking in batches?

Thanks.
 
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write a script querying hosts and optionally double-checking using rdap/whois if you get nxdomain (won't work for all TLDs, for example .es (error message when querying whois) or .pt (no response, request timeout)); depends on how detailed data you need, might be best to just scan hosts and call it a day; but for gtlds at least using rdap will also be efficient
 
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For only counting TLDs, a simple CSV + script/pivot table is much better than checking in batches.
 
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write a script querying hosts and optionally double-checking using rdap/whois if you get nxdomain (won't work for all TLDs, for example .es (error message when querying whois) or .pt (no response, request timeout)); depends on how detailed data you need, might be best to just scan hosts and call it a day; but for gtlds at least using rdap will also be efficient
Thanks pb. I was going to say I'm not a tech guy but with the help of claude I managed to get there.
Screenshot 2026-05-19 140423.png
 
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Thanks pb. I was going to say I'm not a tech guy but with the help of claude I managed to get there.

Did... did I just write my first claude prompt? :ROFL:
 
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Call 12 of your family members and ask them each to change 1,000 names for you. No subscribers needed.
 
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The best and fastest method is to use a "Bulk Domain Check" tool. Most registrars like GoDaddy or Namecheap offer this feature on their websites, allowing you to input your entire list, or large parts of it, for instant results.
 
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The best and fastest method is to use a "Bulk Domain Check" tool. Most registrars like GoDaddy or Namecheap offer this feature on their websites, allowing you to input your entire list, or large parts of it, for instant results.

Which registrars allow to bulk check 12k names in 1437 TLDs each? ;)
And that's ignoring the fact that many TLDs have multiple third-level registry extensions, like .com/net/org/edu/gob.mx or co/net/org/me/ltd/ac.uk
 
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