CEH Practical Guide
  • Certified Ethical Hacker (CEH v12 and CEH V13) Practical Guide: Complete Study Resources & Tips
  • Module 2. Footprinting and Reconnaissance
    • 1. Footprinting through Search Engines
    • 2. Perform Footprinting Through Internet Research Services
    • 3. Footprinting through Social Networking sites
    • 4. Website Footprinting
    • 5. WHOIS Footprinting
    • 6. DNS Footprinting
    • 7. Network footprinting
    • 8. Email Footprinting
    • 9. Footprinting using footprinting tools
    • 10. Perform Footprinting using AI
  • Module 3. Scanning Networks
    • 1. Host Discovery
    • 2. Port and Service Discovery
    • 3. Perform OS Discovery
    • 4. Scan beyond Firewalls and IDS
    • 5. Network scanning using various tools
    • 6. Perform Network Scanning using AI
  • Module 4. Enumeration
    • 1. Netbios Enumeration (Port 137)
    • 2. SNMP Enumeration (Port 161,162)
    • 3. LDAP Enumeration (Port 389)
    • 4. NFS Enumeration
    • 5. DNS Enumeration
    • 6. SMTP Enumeration
    • 7. RPC, SMB and FTP Enumeration
    • 8. Enumeration using various tools
    • 9. Perform Enumeration using AI
  • Module 5. Vulnerability Assessment
    • 1. Perform Vulnerability Research with Vulnerability Scoring Systems and Databases
    • 2. Perform Vulnerability Assessment using Various Vulnerability Assessment Tools
    • 3. Perform Vulnerability Analysis using AI
  • Module 6. System Hacking
    • 1. Gain access to the system
    • 2. Privilege Escalation
    • 3. Maintain Remote Access and Hide Malicious Activities
    • 4. Clear Logs to hide the Evidence of Compromise
    • 5. Active Directory (AD) Attacks
  • Module 7. Malware Threats
    • 1. Gain access to systems with Trojans
    • 2. Infect the system using Virus
    • 3. Perform Static Malware Analysis
    • 4. Perform Dynamic Malware Analysis
  • Module 8. Sniffing
    • 1. Perform Active Sniffing
    • 2. Perform Network Sniffing using Various Sniffing Tools
    • 3. Detect Network Sniffing
  • Module 9. Social Engineering
    • 1. Perform Social Engineering using tools
    • 2. Detect a Phishing attack
    • 3. Audit Organization security for phishing attacks
    • 4. Social Engineering using AI
  • Module 10. Denial of Service
    • 1. Perform DOS and DDOS with various techniques
    • 2. Detect and Protect DOS and DDOS attacks
  • Module 11. Session Hijacking
    • 1. Perform Session Hijacking
    • 2. Detect Session Hijacking
  • Module 12. Evading IDS, antivirus and Honeypots
    • 1. Intrusion Detection using various tools
    • 2. Evade Firewall using Evasion Techniques
  • Module 13. Hacking Web Servers
    • 1. Footprint the Webserver
    • 2. Perform Webserver attacks
    • 3. Perform a Web Server Hacking using AI
  • Module 14. Hacking Web Applications
    • 1. Footprint the Web Infrastructure
    • 2. Perform Web applications Attacks
    • 3. Detect Web Vulnerabilities using using web application security tools
    • 4. Perform Web Application Hacking using AI
  • Module 15. SQL Injection
    • 1. Perform SQL Injection attacks
    • 2. Detect SQL Vulnerabilities using different tool
    • 3. Perform SQL Injection using AI
  • Module 16. Hacking Wireless Networks
    • 1. Footprint a wireless Network
    • 2. Perform Wireless Traffic Analysis
    • 3. Perform Wireless Attacks
  • Module 17. Hacking Mobile Platforms
    • 1. Hack Android Devices
    • 2. Secure Android Device
  • Module 18. IoT and OT Hacking
    • 1. Footprinting IoT and OT devices
    • 2. Capture and Analyze IoT traffic
    • 3. Perform IoT Attacks
  • Module 19. Cloud Computing
    • 1. Perform Reconnaissance on Azure
    • 2. S3 Bucket Enumeration
    • 3. Exploit S3 buckets
    • 4. Perform Privilege Escalation to Gain Higher Privileges
    • 5. Perform Vulnerability Assessment on Docker Images
  • Module 20. Cryptography
    • 1. Encrypt the Information using Various Cryptography Tools
    • 2. Create a self signed Certificate
    • 3. Perform Disk Encryption
    • 4. Cryptanalysis Using different tools
    • 5. Perform Cryptography using AI
  • Tips for exams
  • Additional Resources
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On this page
  • 1. Gather DNS Information using nslookup Command Line Utility and Online Tool
  • Command line in Windows
  • Online nslookup
  • Other tools
  • 2. Reverse DNS
  • DNSRECON
  • 3. Subdomains and DNS using security trails
  • 4. DNS Cache on Windows

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  1. Module 2. Footprinting and Reconnaissance

6. DNS Footprinting

You need to perform DNS footprinting to gather information about DNS servers, DNS records, and types of servers used by the target organization. DNS zone data etc

Previous5. WHOIS FootprintingNext7. Network footprinting

Last updated 2 months ago

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1. Gather DNS Information using nslookup Command Line Utility and Online Tool

Command line in Windows

nslookup // Enter interactive mode

Now to search for any records, set the type

set type=a
set type=cname  //cname record are always from authoritative server

Now enter the website name to get the records

www.certifiedhacker.com

Online nslookup

Other tools

  • dig

  • host

host cavementech.com
cavementech.com has address 198.37.123.126
cavementech.com mail is handled by 0 cavementech.com.o

Zone Transfer with dig

─[✗]─[user@parrot]─[~]
└──╼ $dig axfr @nsztm1.digi.ninja zonetransfer.me

; <<>> DiG 9.18.11-2~bpo11+1-Debian <<>> axfr @nsztm1.digi.ninja zonetransfer.me
; (1 server found)
;; global options: +cmd
zonetransfer.me.	7200	IN	SOA	nsztm1.digi.ninja. robin.digi.ninja. 2019100801 172800 900 1209600 3600
zonetransfer.me.	300	IN	HINFO	"Casio fx-700G" "Windows XP"
zonetransfer.me.	301	IN	TXT	"google-site-verification=tyP28J7JAUHA9fw2sHXMgcCC0I6XBmmoVi04VlMewxA"
zonetransfer.me.	7200	IN	MX	0 ASPMX.L.GOOGLE.COM.
zonetransfer.me.	7200	IN	MX	10 ALT1.ASPMX.L.GOOGLE.COM.
zonetransfer.me.	7200	IN	MX	10 ALT2.ASPMX.L.GOOGLE.COM.
zonetransfer.me.	7200	IN	MX	20 ASPMX2.GOOGLEMAIL.COM.
zonetransfer.me.	7200	IN	MX	20 ASPMX3.GOOGLEMAIL.COM.
zonetransfer.me.	7200	IN	MX	20 ASPMX4.GOOGLEMAIL.COM.
zonetransfer.me.	7200	IN	MX	20 ASPMX5.GOOGLEMAIL.COM.
zonetransfer.me.	7200	IN	A	5.196.105.14
zonetransfer.me.	7200	IN	NS	nsztm1.digi.ninja.

2. Reverse DNS

$host 198.37.123.126
;; communications error to 192.168.18.1#53: timed out
126.123.37.198.in-addr.arpa domain name pointer server902.vebhost.com.

DNSRECON

Install dnsrecon (used for DNS Brute forcing)

sudo apt install dnsrecon
./dnsrecon.py -r <startIP-endIP>

3. Subdomains and DNS using security trails

Other tools

4. DNS Cache on Windows


C:\Users\Ammar>ipconfig /displaydns

Windows IP Configuration

    virus-alert-center.com
    ----------------------------------------
    No records of type AAAA


    virus-alert-center.com
    ----------------------------------------
    Record Name . . . . . : virus-alert-center.com
    Record Type . . . . . : 1
    Time To Live  . . . . : 0
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 127.0.0.1


    ultracodec.com
    ----------------------------------------
    No records of type AAAA
DNS Enumeration
http://www.kloth.net/services/nslookup.php
Network Tools by YouGetSignal.com
Logo
https://securitytrails.com/securitytrails.com
DNS Checker - DNS Check Propagation ToolDNS Checker
https://dnsdumpster.com/dnsdumpster.com
Certified Ethical Hacker (CEHv12) Practical hands on LabsUdemy
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