The technology enabling anyone in the world to look at your website (their governments permitting) is horribly complex. Trust me, you do not want to get into the world of nameservers, DNS records, CNAMEs and SOA. Unfortunately, someone has to, but the drive to ever-cheaper web hosting means you’re probably not getting the care and attention behind the scenes that you’d like to think you are. However, there are some tools which will inspect the settings and performance of your website, and you don’t need to be an IT professional to understand that there might be a problem when viewing the results. IntoDNS.com is a great example which you might like to try on your own domain name. If a lot of the report lights up red, maybe it’s worth raising the issue with your IT department, or via the “support” page on your web hosts’ site.