DNS wildcards demystified.
HOW DNS WILDCARDS REALLY WORK & HOW TO PREVENT THAT DNS WILDCARD BITE!
The domain name system includes a function called “DNS wildcards”. DNS wildcards are created using special domain names in DNS zones, such as “*.example.com.”. DNS wildcards look similar to Unix shell globbing, Windows command.com wildcards or regular expressions. However, DNS wildcards have their own rules.
Mr. Carsten Strotmann from the Men&Mice Services team hosted a 30 minutes webinar with a Q&A session at the end, where he explained how DNS wildcards really work and how to prevent that DNS wildcard bite!
Tailored for DNS administrators on Unix and Windows operating authoritative DNS Servers with one or more zone-files, as well as all those interested in the topic.