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Take an IP and try to look for the domain/host associated with it.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Encode or decode HTML entities for any given input.
Check whether a website is using the Brotli Compression algorithm or not.
Upload a Barcode image and extract the data out of it.
Check whether a website is using the new HTTP/2 protocol or not.
Convert markdown snippets to raw HTML code.