Cisco Bug: CSCun33874 - DNS SERVFAIL when A RR for name server is expired with resol exception
Jun 20, 2016
- Cisco Network Registrar
Known Affected Releases
Symptom: Queries for valid domains unexpectedly return SERVFAIL. Conditions: This only happens for domains with resolution exceptions when the cached NS record for the domain is valid and the cached A record for the name server is expired.
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Bug Details Include
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