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Network_Virtuoso's avatar
Network_Virtuoso
Icon for Nimbostratus rankNimbostratus
Mar 16, 2025

Big IP DNS Failover

Hello people I am new to Big IP DNS world. We have two Big IP DNS currently synchronizing across 2 DC. Big IP DNS is used in a DNS delegation architecture making use of sub domains. All of our requ...
dns
zamroni777's avatar
zamroni777
Icon for MVP rankMVP
Mar 17, 2025

adding to Injeyan_Kostas ,

it is inherent limitation in Internet DNS that client cant verify DNS server availability before sending the DNS request and no quick fail method except timeout.
DNS is designed in 1980s to work on computer with few MHz of CPU spec.