Checker tools
A collection of great checker-type tools to help you check & verify different types of things.
Popular tools
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get details of any file type, such as the mime type or last edit date.
Get approximate IP details.
Check if the URL is cached or not by Google.
Get all the HTTP headers that an URL returns for a typical GET request.
Get the web-host of a given website.
All tools
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Get all the HTTP headers that an URL returns for a typical GET request.
Check if the URL is banned and marked as safe/unsafe by Google.
Check if the URL is cached or not by Google.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Make sure your passwords are good enough.
Get & verify the meta tags of any website.
Get the web-host of a given website.
Get details of any file type, such as the mime type or last edit date.
Get the gravatar.com globally recognized avatar for any email.