Subdomains are prefixes to domain names that allow administrators to provide different web services to users, but do so using the same namespace so that it is easier to remember. Such as MAIL.failednormal.com, WWW.failednormal.com, VPN.failednormal.com… these subdomains can point to entirely different servers so that WWW points to the IP Adress of your web server, MAIL points to your companies Gmail landing page, and VPN points to your VPN provider.
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MAC Address to Vendor API with Python (macvendorlookup.com)
Setup: This is a Free REST API so you just need the URL. Please note that there is a rate limit of one request per second. https://www.macvendorlookup.com 1-mac.py This lab will print out the vendor […]
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CNames in DNS – What are…
CNames map subdomains to domain names. You can point MAIL.domain.com to the Gmail portal for your company, or SALES.domain.com to SalesForce.com. This allows you to use an easy to remember naming strategy for users to […]
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