Easily convert years to minutes.
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Easily convert years to days.
Easily convert years to weeks.
Easily convert years to months.
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Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get all possible details about a domain name.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.