hi,
found following entries in my LogWatch-Report:
...
unexpected RCODE (SERVFAIL) resolving '198.194.191.205.list.dsbl.org/A/IN': 64.39.29.212#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '198.194.191.205.list.dsbl.org/A/IN': 69.0.220.85#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '234.218.237.80.list.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '234.218.237.80.list.dsbl.org/A/IN': 66.98.161.194#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '46.202.142.68.list.dsbl.org/A/IN': 69.0.220.85#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '61.202.142.68.list.dsbl.org/A/IN': 64.39.29.212#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '64.186.140.195.list.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '64.186.140.195.list.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '85.134.25.194.list.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving '90.86.218.66.list.dsbl.org/A/IN': 66.98.161.194#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'a.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'a.ns.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'a.ns.dsbl.org/AAAA/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'a.ns.dsbl.org/AAAA/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'b.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'b.ns.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'b.ns.dsbl.org/AAAA/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'b.ns.dsbl.org/AAAA/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'c.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'c.ns.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'c.ns.dsbl.org/AAAA/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'c.ns.dsbl.org/AAAA/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'd.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'd.ns.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'd.ns.dsbl.org/AAAA/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'd.ns.dsbl.org/AAAA/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'e.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'e.ns.dsbl.org/A/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'e.ns.dsbl.org/AAAA/IN': 205.210.42.20#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'e.ns.dsbl.org/AAAA/IN': 212.100.224.80#53: 1 Time(s)
unexpected RCODE (SERVFAIL) resolving 'f.ns.dsbl.org/A/IN': 205.210.42.20#53: 1 Time(s)
...