Use of uninitialized value in regexp compilation at dns.pl line 23, line 11802. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11803. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11804. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11805. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11806. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11807. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11808. Use of uninitialized value in regexp compilation at dns.pl line 23, line 11809. #### open(RECORDS, "/tmp/logs/records.txt") or die "Could not open records file: $!"; local $/ = undef; # Ignoring binmode as its a text file my $RE = join '|', ; close RECORDS;