4f1b69 - we have four external DNS servers: nue-ns1, nue-ns2, provo-ns and qsc-ns4 now

Authored and Committed by lrupp 2 years ago
    - we have four external DNS servers: nue-ns1, nue-ns2, provo-ns and qsc-ns4 now
    - added osc-collab2 for dimstar: https://progress.opensuse.org/issues/62927
    - added riesling3 for wiki upgrade