dae9c6c realmdomains: Do not fail due the ValidationError when adding _kerberos TXT record

1 file Authored by tbabej 8 years ago, Committed by mbasti 8 years ago,
    realmdomains: Do not fail due the ValidationError when adding _kerberos TXT record
    
    https://fedorahosted.org/freeipa/ticket/5278
    
    Reviewed-By: Martin Basti <mbasti@redhat.com>