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JMutie
Nimbostratus
Nov 01, 2019DNS server not resolving url until cache is cleared repeatedly.
Hello, What could be causing this? Other dns servers get the records without problem. The F5 resolves other urls ok only this one has a problem. A pcap shows F5 dns responding with no such nam...
JG
Cumulonimbus
Nov 02, 2019This does not seem to be an issue of F5, but of the DNS service provider for the domain; for there are different results for different lookup locations. A lookup failure will carry with it a long negative TTL of hours.
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