In that last attachment, it works (I think) because the 42.11 name server was used first without being qualified by xxx.domain1.com, so it was used to resolve everything. (I think that it would fall back to the other servers if it could not resolve, but I know not how that magic works.)
In that last attachment, it works (I think) because the 42.11 name server was used first without being qualified by xxx.domain1.com, so it was used to resolve everything. (I think that it would fall back to the other servers if it could not resolve, but I know not how that magic works.)