why do with this code : ##$!/$usr$/$bin$/$env python$3$

import sys

from scapy.all import $*$

def get$\_$soa$\_$record$($domain$)$:

# Create a DNS query packet for SOA record

dns$\_$request $=$ IP$($dst$="8\mathrm{.}8\mathrm{.}8\mathrm{.}8")/$ UDP$($dport$=53)/$ DNS$($rd$=1,$ qd$=$DNSQR$($qname$=$domain, qtype$=$'SOA'$))$

dns$\_$response $=$ sr$1($dns$\_$request, verbose$=0,$ timeout$=2)$

if dns$\_$response and dns$\_$response.haslayer$($DNSRR$)$:

for answer in dns$\_$response$[$DNS$].$an:

if answer.type $==6$: # SOA type

return answer.mname.decode$()$ # Primary DNS server

return None

domain $="$jct$.$ac$.$il$"$

primary$\_$dns$\_$server $=$ get$\_$soa$\_$record$($domain$)$

print$($f$"$Primary DNS Server for $\{$domain$\}$: $\{$primary$\_$dns$\_$server$\}")$

def query$\_$dns$\_$server$($dns$\_$server, domain$)$:

# Create a DNS query packet for A records

dns$\_$request $=$ IP$($dst$=$dns$\_$server$)/$ UDP$($dport$=53)/$ DNS$($rd$=1,$ qd$=$DNSQR$($qname$=$domain, qtype$=\text{'}$A$\text{'}))$

dns$\_$response $=$ sr$1($dns$\_$request, verbose$=0,$ timeout$=2)$

ip$\_$addresses $=[]$

if dns$\_$response and dns$\_$response.haslayer$($DNSRR$)$:

for answer in dns$\_$response$[$DNS$].$an:

if answer.type $==1$: # A type

ip$\_$addresses.append$($answer$.$rdata$)$

return ip$\_$addresses

ip$\_$addresses $=$ query$\_$dns$\_$server$($primary$\_$dns$\_$server, domain$)$

print$($f$"$IP Addresses for $\{$domain$\}$: $\{$ip$\_$addresses$\}")$

if $\_\_$name$\_\_=="\_\_$main$\_\_"$:

if len$($sys$.$argv$)!=2$:

print$("$Usage: dnsenum.py $")$

sys$.$exit$(1)$

domain $=$ sys$.$argv$[1]$

primary$\_$dns$\_$server $=$ get$\_$soa$\_$record$($domain$)$

if not primary$\_$dns$\_$server:

print$($f$"$Could not find the primary DNS server for $\{$domain$\}")$

sys$.$exit$(1)$

print$($f$"$Primary DNS Server for $\{$domain$\}$: $\{$primary$\_$dns$\_$server$\}")$

ip$\_$addresses $=$ query$\_$dns$\_$server$($primary$\_$dns$\_$server, domain$)$

if not ip$\_$addresses:

print$($f$"$No IP addresses found for $\{$domain$\}")$

else:

print$($f$"$IP Addresses for $\{$domain$\}$:$")$

for ip in ip$\_$addresses:

print$($ip$),$i get those error WARNING: No IPv$4$ address found on anpi$0!$

WARNING: No IPv$4$ address found on anpi$1!$

WARNING: more No IPv$4$ address found on en$6!$

Primary DNS Server for jct$.$ac$.$il: None

IP Addresses for jct$.$ac$.$il: $[]$

Usage: dnsenum.py

Could not find the primary DNS server for jct$.$ac$.$il

Process finished with exit code $1$