[robtone@fpsvr1z150:~/src/polw/0.1.15]% perl -e 'use Net::DNS; my $r = Net::DNS::Resolver->new(); $r->retry(2); $r->retrans(2); $r->debug(1); my $query = $r->send("163.60.broad.dynamic.jx.zj.cndata.com",MX); if (!($query)) { print "hm"}'
;; setting up an AF_INET() family type UDP socket
;; send_udp(192.168.0.11:53)
;; send_udp(192.168.0.11:53)
hm


[robtone@fpsvr1z150:~/src/polw/0.1.15]% perl -e 'use Net::DNS; my $r = Net::DNS::Resolver->new(); $r->debug(1); my $query = $r->send("163.60.broad.dynamic.jx.zj.cndata.com",MX); if (!($query)) { print "hm"}'                               
;; setting up an AF_INET() family type UDP socket
;; send_udp(192.168.0.11:53)
;; send_udp(192.168.0.11:53)
;; answer from 192.168.0.11:53 : 55 bytes
;; HEADER SECTION
;; id = 58996
;; qr = 1    opcode = QUERY    aa = 0    tc = 0    rd = 1
;; ra = 1    ad = 0    cd = 0    rcode  = SERVFAIL
;; qdcount = 1  ancount = 0  nscount = 0  arcount = 0

;; QUESTION SECTION (1 record)
;; 163.60.broad.dynamic.jx.zj.cndata.com.       IN      MX

;; ANSWER SECTION (0 records)

;; AUTHORITY SECTION (0 records)

;; ADDITIONAL SECTION (0 records)
RCODE: SERVFAIL; trying next nameserver
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