F5 Community Training & Labs Source | Edit on PDF Version notice: DNS ClassesΒΆ Contents: Lab Environment Class 1 - Intro to GSLB Class 2 - Next Generation DNS Services Class 3 - Data Center Availability Services Using BIG-IP DNS Class 4 - EDNS0 client subnet Class 5 - DNS over HTTPS/DNS over TLS Class 6 - F5 DNS Cloud Service & F5 DNS Load Balancer Cloud Service Credits Next