NSLOOKUP CNIT 102 Substitute lecture 3-6-14 Sam Bowne.

Slides:

Advertisements

Similar presentations

UNIVERSITY OF EDUCATION BY H.M.ISHTIAQ RAFIQUE. Domain Name Structure.

Advertisements

Let's say we want to access domain - reliablescribe.com First we need to buy a computer We need to subscribe to an Internet Service Provider (ISP) The.

Direct Access 2012 Chad Duffey and Tristan Kington Microsoft Premier Field Engineering WSV333.

NetScanTools ® LE Law Enforcement Version of NetScanTools ® from Northwest Performance Software, Inc. netscantools.com.

MCTS Guide to Microsoft Windows Server 2008 Network Infrastructure Configuration Chapter 6 Managing and Administering DNS in Windows Server 2008.

Hands-On Ethical Hacking and Network Defense Lecture 15 Man in the Middle Attack to get Passwords from HTTPS Sessions.

SYSTEM ADMINISTRATION Chapter 19

Nassau Community College

Networking an Integrators Tool Kit By Wyatt See. TASK CON STANDARD Bla – Understand IP addressing – Use IPCONFIG – Identify common causes of network failures.

CLIENT / SERVER ARCHITECTURE AYRİS UYGUR & NİLÜFER ÇANGA.

DirectAccess is an Enterprise Solution: No support for Windows 7 Professional Requires two consecutive public IP addresses Cannot NAT to the DirectAccess.

Hands-On Microsoft Windows Server 2003 Networking Chapter 6 Domain Name System.

70-293: MCSE Guide to Planning a Microsoft Windows Server 2003 Network, Enhanced Chapter 8: Managing and Troubleshooting DNS.

Vocabulary URL = uniform resource locator: web address protocol –set of rules that networked computers follow in order to share data and coordinate communications.

Domain Name Server © N. Ganesan, Ph.D.. Reference.

Intro to Computer Networks DNS (Domain Name System) Bob Bradley The University of Tennessee at Martin.

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 Application Layer Functionality and Protocols Network Fundamentals – Chapter.

COEN 445 Communication Networks and Protocols Lab 3

Application Layer. Domain Name System Domain Name System (DNS) Problem – Want to go to but don’t know the IP addresswww.google.com Solution.

1 Chapter Overview Introduction to Windows XP Professional Printing Setting Up Network Printers Connecting to Network Printers Configuring Network Printers.

TCP/IP Tools Lesson 5. Objectives Skills/ConceptsObjective Domain Description Objective Domain Number Using basic TCP/IP commands Understanding TCP/IP3.6.

MCTS Guide to Microsoft Windows Server 2008 Applications Infrastructure Configuration (Exam # ) Chapter Ten Configuring Windows Server 2008 for High.

Installing a DHCP Server role on Windows Server 2008 R2 in a home network. This is intended as a guide to install the DHCP role on a Domain Controller.

Chapter Twelve Using TCP/IP on the Network. Objectives Here, we’ll examine how to configure TCP/IP. The concepts of subnetting will be examined in detail.

1 ISA Server 2004 Installation & Configuration Overview By Nicholas Quinn.

Module 7: Configuring TCP/IP Addressing and Name Resolution.

Hands-on Networking Fundamentals

Connecting Networks © 2004 Cisco Systems, Inc. All rights reserved. Exploring How IP Address Protocols Work INTRO v2.0—4-1.

A+ Guide to Software Managing, Maintaining and Troubleshooting THIRD EDITION Chapter 12 Windows on the Internet.

© 2009 FP Mailing Solutions. All rights reserved. Customer Service Training Basic Computer Training.

Network Tools TCP/IP interface configuration query - MAC (HW) address and IP address – Linux - /sbin/ifconfig – MS Windows – ipconfig/all 1.

 Ping - Transmits four 32 byte packets to target computer ◦ Measures response time ◦ Returns IP address of target computer ◦ Example: ping uottawa.ca.

DNS (Domain Name System) Protocol On the Internet, the DNS associates various sorts of information with domain names. A domain name is a meaningful and.

70-291: MCSE Guide to Managing a Microsoft Windows Server 2003 Network Chapter 7: Domain Name System.

Dr. Thomas E. Hicks Trinity University Computer Science.

資管 Lee Lesson 13 IPv6 and Name Resolution. 資管 Lee Lesson Objectives IPv6 name-to-address and address-to-name resolution IPv6 name resolution support.

A+ Guide to Managing and Maintaining Your PC Fifth Edition Chapter 19 PCs on the Internet.

Chapter 13 Microsoft DNS Server n DNS server: A Microsoft service that resolves computer names to IP addresses, such as resolving the computer name Brown.

1 Chapter Overview Installing the TCP/IP Protocols Configuring TCP/IP.

70-291: MCSE Guide to Managing a Microsoft Windows Server 2003 Network Chapter 6: Name Resolution.

70-291: MCSE Guide to Managing a Microsoft Windows Server 2003 Network, Enhanced Chapter 6: Name Resolution.

MCTS Guide to Configuring Microsoft Windows Server 2008 Active Directory Chapter 8: Introduction to Windows Networking.

Ethernet port  Make sure that your computer has an Ethernet connection (RJ45 port).  Power the zSeries on and make sure the “network link” LED is solid.

Connecting to a Network Lesson 5. Objectives Understand the OSI Reference Model and its relationship to Windows 7 networking Install and configure networking.

Windows routing and resolution. Basic concepts  Host name: machine.sub-domain.domain example: mail.ubalt.edu same machine name in Windows in NetBIOS.

How to configure DNS for a Windows 2000 domain? 1.Start the Install/Remove Programs Control Panel Applet (Start - Settings - Control Panel - Add/Remove.

The Internet The History and Future of the Internet.

Networks Part 3: Packet Paths + Wireshark NYU-Poly: HSWP Instructor: Mandy Galante.

Configuring Network Connectivity Lesson 7. Skills Matrix Technology SkillObjective DomainObjective # Using the Network and Sharing Center Use the Network.

TESTING THE WIRELESS NETWORK INTERFACE CARD

WEEK 11 – TOPOLOGIES, TCP/IP, SHARING & SECURITY IT1001- Personal Computer Hardware System & Operations.

Lecture 2- Internet, Basic Search, Advanced Search COE 201- Computer Proficiency.

Students will: Learn about the complexity of sending messages over the Internet Translate URLs into IP Addresses Practice creative problem solving.

Firewalls Fighting Spyware, Viruses, and Malware Ch 5.

COMP2322 Lab 3 DNS Steven Lee Feb. 19, Content Understand the Domain Name System (DNS). Analyze the DNS protocol with Wireshark. 2.

INTERNET APPLICATIONS CPIT405 Install a web server and analyze packets.

ITMT Windows 7 Configuration Chapter 5 – Connecting to a Network ITMT 1371 – Windows 7 Configuration 1.

Windows Vista Configuration MCTS : Advanced Networking.

Domain Name System DNS - A system for converting host names and domain names into IP addresses on the Internet or on local networks that use the TCP/IP.

Benefits of Using Domain Name System (DNS)

IP Adressing in IPv4 By Kenneth Lundby.

Em4 Ethernet tutorial Remote connection.

Chapter 9 Objectives Understand TCP/IP Protocol.

Examining IP Addressing

Networking Lab.

Windows Name Resolution

Networking Lab.

Chapter 15 - IP: Software To Create A Virtual Network

Presentation transcript:

NSLOOKUP CNIT 102 Substitute lecture Sam Bowne

Domain Name System Converts a domain name like to an IP address like

Wireshark Shows traffic going to server at

DNS Resolution Packets in Wireshark show DNS Query and DNS Response

NSLOOKUP Performs a DNS resolution – Without loading a Web page – Useful to test DNS operations Simplest way – nslookup domain.com

NSLOOKUP in Interactive Mode

Specify Server

Free Public Servers Google – – OpenDNS – –

Set Querytype aaaa = IPv6

What NSLOOKUP Does First it tries to find the domain on your local network Then it tries the Internet

Debug Mode

Clearing the DNS Cache

Setting the DNS Server Start, type CONNECTIONS in Search box Click "View network connections" Right-click "Local Area Connection" Click Properties Double-click "Internet Protocol Version 4 (TCP/IPv4)"

Setting the DNS Server Must click "OK" twice for settings to take effect

Viewing the DNS Server in the Command Line IPCONFIG /ALL