This episode features Google engineers Wilmer van der Gaast (Production on-tall) and Andy Sykes (Senior Staff Systems Engineer, SRE), joining hosts Steve McGhee and Jordan Greenberg, to discuss the development and maintenance of Google Public DNS (8.8.8.8). They highlight the initial motivations for creating the service, technical challenges like cache poisoning and load balancing, as well as the collaborative effort between SRE and SWE teams to address these issues. They also reflect on the evolving nature of SRE and advice for aspiring SREs.