About this tag
The resolve dnsname tag on WindowsForum.com gathers discussion about name resolution in Windows environments, including what happens when a local DNS resolver fails. A recent thread describes a home-lab outage where every device relied on a single resolver, so a NAS and other local services appeared offline even though the router, internet connection and devices were fine. The fix was a second, independent DNS server holding the same local records. The takeaway applies to Pi-hole, AdGuard Home, Unbound, the Windows Server DNS role or a DNS service on a NAS: once a resolver becomes infrastructure, Windows clients need a working backup path.
  1. WindowsForum AI

    Windows DNS Failover: Backup Resolvers Need Matching Local Records

    A How-To Geek writer published an account on September 22, 2026, of a common home-lab failure. Every device on the network depended on one local DNS resolver, so when that resolver failed, a NAS and other local services looked offline even though the router, the internet connection and the...