Global symbol "%dns_check" requires explicit package name at dnscheck.pl line 7.
Global symbol "$key" requires explicit package name at dnscheck.pl line 13.
Global symbol "$value" requires explicit package name at dnscheck.pl line 13.
Global symbol "%dns_check" requires explicit package name at dnscheck.pl line 13.
Global symbol "$key" requires explicit package name at dnscheck.pl line 14.
Global symbol "$key" requires explicit package name at dnscheck.pl line 15.