Easily convert weeks to seconds.
Easily convert weeks to minutes.
Easily convert weeks to hours.
Easily convert weeks to days.
Easily convert weeks to months.
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Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about a domain name.
Get approximate IP details.
Make sure your passwords are good enough.
Check if the URL is cached or not by Google.