On Tue, Nov 01, 2022 at 12:37:08PM -0400, Paul Kudla wrote: You really should not speculate nearly so much.
> does ubound have a dns query timeout that could be set higher ??? Of course. > bcs.hants.sch.uk seems to be a sub, sub, domain thus going through > multiple dns lookups before it gets to resolving the actual name. This is quite common. > another thought if it's only this domain maybe put this in your local > hosts file or what ever equilivent ubound uses. that would not be a good > option if the ip changes? No. > please see : > > https://www.nlnetlabs.nl/documentation/unbound/info-timeout/ > > default seems to be 400ms ?? Best server selection policy is not relevant, no need to clutch at straws. > maybe look at this ??? Actually, no. However, if the OP sees intermittent DNS issues with many/most other domains, then perhaps look into why that may be happening. On any given day ~1% of Internet domains (DNS, SMTP, ...) are degraded or down, some are parked or abandoned, others mismanaged. Nothing to see here... -- Viktor.
