Having issues with your domains - or your site not loading? These tools will help you determine what could be wrong with your domain.
http://whois.domaintools.com/ - this performs a whois lookup on a domain name. It will show basic information on your domain - and most importantly it will show the domain expiry date (a high % of tech support calls are resolved because the domain has expired)
http://network-tools.com/nslook/ - this performs an NS lookup. It requests the DNS information about a domain. This will let you know very quickly if there is an issue with your domain name.
http://intodns.com/ - this will supply an in-depth report on the state of the DNS for you domain - i fthere are any errors showing in this error - let us know - we can help you though them.
http://mxtoolbox.com/ - this performs a check against a series of known RBL services - if your server or domain has been blacklisted by an RBL - it wont take very long before all emails from your server are being rejected by most mails servers online.
https://www.whynopadlock.com/ - Just installed an SSL certificate and you’re having trobles displaying the secure padlock symbol on your Web site? This tool will analyse your server and report back on what is going on.