DNS Enum

Main commands used here for DNS enum.

• host

• dig

• nslookup

• dnsrecon

NSlookup

nslookup 
> server 10.10.10.10
Default server: 10.10.10.10
Address: 10.10.10.10#53

> 10.10.10.10
10.10.10.10.in-addr.arpa	name = ns1.domain.com.

host -t ns somedomain.com		# -t: type, nameservers records 
host -t mx somedomain.com		# mail records
host www.somedomain.com			# Will display the IP of the domain
host idontexist.somedomain.com 	# If exists it will display further information

Zone Transfer

host -t ns somedomain.com					# Find the nameservers of the domain
host -l somedomain.com ns1.somedomain.com.	# attempt zone transfer based on the nameservers found. (e.g. ns1, ns2, ns3, ... )

############### Example Script for Zone Transfer ###############
################################################################

#!/bin/bash

# Zone Transfer script
######################

echo "[*] Simple Zone transfer script"
if [ -z "$1" ]; then
        echo "This script accepts an argument. Please re-run it and give an argument."
        exit 0
fi

for server in $(host -t ns $1 |cut -d" " -f4);
do
        host -l $1 $server | grep "has address"
done

Tools: DNSrecon/DNSenum

dnsrecon -d somedomain.com -t axfr	    # Attempt a Zone Transfer on a domain 

Dig Zone Transfer

dig axfr @10.10.10.10 domainame

Tools List

sublist3r
enumall
massdns
altdns
brutesubs
dns-parallel-prober
dnscan
knockpy
tko-subs
HostileSubBruteforce

WFUZZing

----DNS fuzzing----
wfuzz -c -f sub-fighter -w subdomains.txt -u "http://maindomain.com" -H "Host: FUZZ.maindomain.com" -t 42 --hl 1
wfuzz -c -f sub-fighter -w /usr/share/seclists/Discovery/DNS/subdomains-top1mil-20000.txt -u "http://maindomain.com/" -H "Host: FUZZ.maindomain.com" -t 42 --hh 62