Sunday, February 26, 2017

Spam, courtesy of LinkedIn

Over the last few years I've been noticing an exponential increase in the amount of spam I receive from IT vendors in my company mailbox.  After occasionally replying to some of these messages and bluntly asking them where they obtained my email address, I finally learned something interesting:

Friday, February 3, 2017

Subdomain vs Address

Recently I heard an internet consultant refer to the address "blog.company.com" as a "subdomain" which led me to do a bit of research into what is causing this terminology confusion.

In my experience in IT, going back to '93-94 when companies were first getting up on the internet, the 1992 first edition of the O'Reilly book DNS & BIND was considered THE bible on DNS.  That book taught us early pioneers what a "subdomain" truly is.

So understand my surprise when Googling "address vs subdomain" today revealed that almost everyone now thinks that having a hostname other than "www" in front of your domain name is a "subdomain" - all thanks to internet hosting providers who don't even know what they are talking about.