what follows is a partial implementation for parsing status and nameservers fields from whois data. It's a very elementar approach, but it seems a working one.

I leave it here for eventual future readers of the thread. Please note that I choosed to parse nameservers from whois data even if there are better modules as shmem suggested.

I difenitevely wait the advent of the RDAP protocol: actually whois data is a mess.

use strict;
use warnings;

use Net::Whois::Raw;
use Net::Whois::Parser;

sub get_whois_infos {
    my $dom = shift;
    # strip eventual third level here?
    my($raw_dominfo, $whois_server) = whois($dom);
    my $parsed_info = parse_whois( raw => $raw_dominfo, domain => $who
+is_server );
    # extract domain status data
    my $pre_status = $parsed_info->{status} || $parsed_info->{domain_s
+tatus};
    my $status;
    if (ref $pre_status eq 'ARRAY'){
        $status .= $_ for map{s/\s\S+/ /r} @{$pre_status};      
    }
    else{$status = $pre_status ? $pre_status=~s/\s\S+/ /r : '-not defi
+ned-'}
    # extract nameservers data
    my @ns;
    # the following should be ok for .com .org .info .name
    if ($parsed_info->{nameservers} and ref $parsed_info->{nameservers
+} eq 'ARRAY'){
        foreach my $ele(@{$parsed_info->{nameservers}}){
            push @ns, $$ele{domain};
        }
    }
    # the following is needed for it biz eu net
    else{
        my $switch = 0;
        foreach my $line(split /\n/,$raw_dominfo){
            # .it format
            #Nameservers
            #namserver1.isp.it
            #namserver2.isp.it
            # .eu format
            #Name servers:
            #      namserver1.isp.it
            #      namserver2.isp.it
            if ($dom =~ /\.it$|\.eu$/){
                if ($line =~/name\s?servers/i){$switch = 1; next}
                next unless $switch;
                push @ns, $1 if $line =~/^\s*([\S]+)$/;
                $switch = 0 if $line =~/^$/;
            }
            # .biz .net  both can issue: "Maximum Daily connection lim
+it reached. Lookup refused."
            #Name Server: namserver1.isp.it
            #Name Server: namserver2.isp.it
            elsif($dom =~/\.biz$|\.net$/){ 
                push @ns, $1 if $line =~/^Name Server:\s+([\S]+)$/;
                push @ns, "-$1-" if $line =~/(Maximum Daily connection
+ limit reached. Lookup refused)/;
            }
            else{ 
                    push @ns, "-Unable to parse whois data for $dom-";
+                
            }
        }
    }    
    return ({status=>$status, ns=>\@ns},"($whois_server answer)\n\n$ra
+w_dominfo");
}
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