Host.io
FreemiumLiveLast verified 24 Sept 2026
DNS records, backlinks, IP/ASN and related-domain data across 600M+ registered domains.
Example request
curl -s 'https://host.io/api/web/facebook.com?token=$API_KEY'
Free tier, in plain English
Free plan gives 1,000 API requests a month, limited to 5 results per page.
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