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internalvsexternal

About this tag
The internalvsexternal tag covers discussions about DNS resolution challenges when managing separate zones for internal and external networks. A common issue involves FQDNs defined in a secondary internal DNS zone failing to resolve reliably, even when they point to the same internal IPs as the primary zone. This contrasts with external DNS records, which may be hosted by a public provider like GoDaddy. Troubleshooting often focuses on zone configuration, replication, and query behavior within Active Directory environments. The tag is relevant for IT administrators dealing with split-brain DNS, secure application access, and ensuring consistent name resolution for internal users versus external or roaming clients.
  1. K

    Secured fqdn resolution issue

    We have configured multiple DNS zones in our environment. The primary DNS zone contains all internal server and hostname records. Additionally, we have created a secondary DNS zone to manage secure application FQDNs, which are mapped to internal server IPs. For public access, corresponding...
    • kameshpatil55
    • Thread
    • dns dns failures dns records dns zones dnscaching dnspropagation fqdnresolving godaddy intermittent internal network internalips internalvsexternal name resolution network issues network segmentation public dns secondaryzone securefqdn ssl-vpn vpn
    • Replies: 2
    • Forum: Windows Server Forums
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