This playful and contemporary brand name is well suited to a search marketing, software or programming company.
The word "backlynx" contains eight characters and just two syllables. Two-syllable names are very rare and very valuable. Successful brands using two syllable names include Gillette, Hilton and FedEx.
Backlynx.com is a dot-com domain. Dot com domains are the most valuable top-level-domain in the world, famously used by websites like google.com. When most people think of a website, they think of a dot-com.