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WorksheetsTHINA DNS
Total questions: 100
Worksheet time: 49mins
When searching for a DNS, your computer will automatically check it's memory, which is also called
cache
top level domain
IP address
root
What is at the top of the DNS Hierarchy?
Root
Top Level Domain
Second Level Domain
Subdomain
DNS maps human, readable domain names into actual ___.
IP addresses.
domain names.
servers.
caches.
What does DNS stands for?
Domain Name Service
Domain name system
Domain Name Server
What is the name of the tool that you use to check the domain propagation?
ASK
Whatismydns.com
whatsmydns.net
Whois.com
TS steps that you can do if a domain is properly connected but the records are not propagated and 48 hrs passed?
Domain disco reco, flush the DNS records, check whois.com
Connect directly to Advanced Domains Queue
If the user connected the domain properly today and the site is not live what can be causing the downtime?
The propagation period.
The user didn't confirm the domain registration email.
Domain is down due to ICANN.
Which are the tools that you are going to use to check the current records?
ASK, UM and Whois
Just UM and Whois
Can I speed up the propagation process?
No
Yes
In our example, DNS is better known as ... ?
A protocol that allows the access to the ISP
"The phone book of the Internet"
"Domain Name Station"
The hosting server where the IP address is located
Which is the option to pull up on the CMD when we're trying to delete the DNS records from the DNS resolver?
CMD > Tracert
CMD > ipconfig /flushdns
CMD > ping (space) > Nameserver
CMD > FIND/FINDSTR
The root of a domain is identified by an invisible:
. ( Full Stop )
, ( Comma )
; ( Semi Colon )
# ( Hash )
DNS is used to translate which of the following
Mac Address to IP Address
IP address to URL
Mac Address to URL
Network Address Translation
Go Daddy is an example of:
A Hardware Vendor
A website Hosting Company
Firewall Manufacturer
Software Development Consultants
A Domain Name System converts a Domain name to an IP Address
True
False
Match the Record to the Description: A
Address Record IPv6
Nameserver Record
Address Record IPv4
Text Record
Match the Record to the Description: AAAA
Address Record IPv4
Address Record IPv6
Canonical Name Record
Mail Exchanger Record
Match the Record to the Description: CNAME
Mail Exchanger Record
Nameserver Record
Text Record
Canonical Name Record
MX Record
Address Record IPv4
Mail Exchanger Record
Pointer Record
Text Record
Match the Record to the Description: NS
Nameserver Record
Pointer Record
Address Record IPv6
Text Record
Match the Record to the Description: PTR
Canonical Name Record
Nameserver Record
Pointer Record
Service Location Record
Match the Record to the Description: SOA
Start of Authority Record
Service Location Record
Pointer Record
Namesever Record
Match the Record to the Description: SRV
Start of Authority Record
Service Location Record
Text Record
Address Record IPv4
Match the Record to the Description: TXT
Canonical Name Record
Text Record
Start of Authority Record
Nameserver Record
Address Record IPv4 (A Record) ..
Serves the basic function of DNS server which is to map a hostname string into its IP address.
It essentially the reverse of A record where the “Name” field contains information of the IP address number and the “Data” field contains the hostname string
Mapping of a hostname into another hostname and is used to create an alias for an existing A record.
Is used specifically for the purpose of sending email
Pointer (PTR) record...
is used to map an IP address into its associated hostname, usually used to find out what host name is using the specified IP address.
is mapping of a hostname into another hostname. and is used to create an alias for an existing A record.
very similar to A record, the only difference is that it is using IPv6
Is used specifically for the purpose of sending email
Alias (CNAME) record...
It essentially the reverse of A record where the “Name” field contains information of the IP address number and the “Data” field contains the hostname string.
is mapping of a hostname into another hostname. and is used to create an alias for an existing A record.
is used to point to the name of the server where a zone or domain name record is registered.
provides information of what services are available in a particular zone or domain.
Mail Exchanger (MX) record
serves the basic function of DNS server which is to map a hostname string into its IP address.
is used to point to the name of the server where a zone or domain name record is registered.
is used specifically for the purpose of sending email.
provides information of what services are available in a particular zone or domain
Nameserver (NS) record
is very similar to A record, the only difference is that A record is using IPv4
Counterpart of A record. It essentially the reverse of A record where the “Name” field contains information of the IP address number and the “Data” field contains the hostname string.
Is used to point to the name of the server where a zone or domain name record is registered.
Contains the name of the server that holds all the information regarding a record. It includes authoritative information such as server identification number, the responsible mail address, the primary nameserver, etc.
Start of Authority (SOA) record
Contains the name of the server that holds all the information regarding a record. It includes authoritative information such as server identification number, the responsible mail address, the primary nameserver, etc.
used to point to the name of the server where a zone or domain name record is registered.
Specifically for the purpose of sending email.
It doesn’t used to forward traffic but rather used to provide information about the domain.
Service (SRV) record
Used to point to the name of the server where a zone or domain name record is registered.
It essentially the reverse of A record where the “Name” field contains information of the IP address number and the “Data” field contains the hostname string.
Provides information of what services are available in a particular zone or domain.
is mapping of a hostname into another hostname.
Text (TXT) record
a special type of DNS record. It doesn’t used to forward traffic but rather used to provide information about the domain.
is a type of DNS record that is used for service discovery.
contains the name of the server that holds all the information regarding a record.
is used to point to the name of the server where a zone or domain name record is registered.
What does the acronym 'arpa' stand for?
Advanced Resource Projects Agency
Advanced Research Projects Assets
Advanced Research Projects Agency
Alternate Research Projects Agency
Which TLD fits within this category of "Infrastructure"?
.com
.arpa
.edu
.net
Which of the following is a valid URL?
www.jru.instructure.edu
www.jru.edu
www.aims.jru.com
What does the term cache stand for?
Paper Money
Digital Money
Type of a Computer Processor
Type of Computer Memory
What is a ROOT as it relates to DNS?
A Program
A Server
Another name for NIC
None of the above
What does the acronym RNS stand for?
Reserved Number System
Resolving Name System
Resolving Name Server
Really Numb Surface
What does the word query mean?
To Tell the user something
To Review the users information
To search for information
None of the above
What does the acronym ANS stand for?
Automatic Name Server
Auction Name Server
Authoritative Name Server
None of the Above
What information does the website 'Whois.net' provide?
Record that identifies who owns a domain and how to get in contact with them.
An online record that identifies where a domain is located.
An online record that identifies the what company hosts a website
None of the above
What is a 'Registrar' as it relates to a domain?
A web hosting business
A business that registers domain names to the public
A company that sells and or buys domain names
All the above
In the domain name AskMrStark!.com. what is the top level domain?
AskMrStark!
.com
.
None of the above
In the domain name AskMrStark!.com. what is the second level domain?
AskMrStark!
.com
.
None of the above
In the domain name AskMrStark!.com. what is the root domain?
AskMrStark!
.com
.
None of the above
What does the .com extension stand for?
Commerce
Commercial
Community
Cost
What does the .ca extension stand for?
Canada
Commercial
Community
California
What does the .edu extension stand for?
Educational
Extra
Education
Exotic
What does the .gov extension stand for?
Canadian Government
US & State Government
US Government only
Russian Government
What does the .gov extension stand for?
Canadian Government
US & State Government
US Government only
Russian Government
(True or False) The .mil extension is an open TOP LEVEL DOMAIN?
True
False
(True or False) The .net extension is an open TOP LEVEL DOMAIN?
True
False
What kind of websites use the .net top level domain?
Schools
Government
Network related Companies
Commercial Companies
What country uses the .mx top level domain name extension?
Malawi
Malaysia
Mexico
Mozambique
What was the first top level domain name extension?
.org
.com
.edu
.gov
What does the MX record control?
Controls the domain and any information that affects a whois-contact information, exp date, nameservers etc.
Control the zonefiles
Controls the website
Controls where mail routes to
What does the A record control?
Controls the domain and any information that affects a whois-contact information, exp date, nameservers etc.
Control the zonefiles
Controls the website
Controls where mail routes to
What do the Nameservers control?
Controls the domain and any information that affects a whois-contact information, exp date, nameservers etc.
Controls the website
Controls the zone files
Controls where mail routes to
Use the domain WHEREISMYDNS.NET to answer the question.
Who is the registrar for the domain?
Domain.com
Namecheap
GoDaddy
iPage
Which of the following BEST describes "DNS"?
Directed Network System - a network with firewall security
Domain Name Search - an interface used to search available domain names
Domain Name Software - a software application that creates creative domain names
Domain Name System - a system that translates domain names to an IP address
Use the domain DEATHEEXPLORER.COM to answer the question.
What is the A Record for DEATHEEXPLORER.COM?
173.254.104.205
108.167.140.178
64.233.186.26
209.85.202.27
Use the domain DEATHEEXPLORER.COM to answer the question.
Who is the registrar of the domain?
Fastdomain
Launchpad
eNom
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who holds the nameservers of the domain?
Bluehost
Hostgator
iPage
Siteground
Use the domain DEATHEEXPLORER.COM to answer the question.
Who holds the nameservers of the domain?
Bluehost
Hostgator
iPage
Siteground
Use the domain DEATHEEXPLORER.COM to answer the question.
Who holds the MX records of the domain?
Bluehost
Hostgator
Siteground
Use the domain DEATHEEXPLORER.COM to answer the question.
Who holds the MX records of the domain?
Bluehost
Hostgator
Siteground
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to add a page to their website?
Bluehost
Hostgator
Siteground
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they were unable to receive email?
Bluehost
Hostgator
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to add privacy to their domain?
Fastdomain
Launchpad
eNom
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to add a new email address?
Bluehost
Hostgator
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if their website was not loading correctly?
Bluehost
Hostgator
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to renew their domain?
Fastdomain
Launchpad
eNom
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to add a contact form to their website?
Bluehost
Hostgator
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to point their MX Record to a different company?
Bluehost
Hostgator
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to transfer their domain to another domain provider?
Fastdomain
Launchpad
eNom
Godaddy
Use the domain DEATHEEXPLORER.COM to answer the question.
Who would this customer call if they wanted to remove an email address?
Bluehost
Hostgator
Godaddy
DNS database contains
name server records
hostname-to-address records
hostname aliases
all the above
The domain name system is maintained by
distributed database system
a single server
a single computer
none of the above
What is the basic function of the nslookup program?
To probe the DNS database for various types of information
To look up only IP addresses in the DNS database
To look up only domain names in the DNS database
To look up only SOA records from a company’s database
What file does the nslookup program use to locate a name server?
The /etc/named.boot file
The /var/log/messages file
The /etc/hosts file
The /etc/resolv.conf file
What command would you use to direct nslookup to use a server other than the one specified in /etc/resolv.conf?
ls
server
set type
set server
What is the host name part of http://www.google.com?
http
www
.com
What is the keyword used to define a Mail Server?
CNAME
NS
MX
PTR
What is the keyword used to define a domain alias?
CNAME
NS
MX
PTR
DNS port number?
80
53
8080
none of the above
SPF, DKIM and DMARC information stores in which record
SRV Record
TXT Record
MX Record
SOA Record
Which of the following DNS record is used for Alias
PTR Record
Host (A) Record
MX Record
CNAME Record
DNS information stores in the form of
DNS Records
DNS Containers
DNS Resolvers
DNS Sectors
Which DNS server stores the information of Domain Mappings
TLD Server
Recursive DNS Server
Authoritative DNS Server
Root Server
EMAIL Server information is stored in which record
PTR Record
CERT Record
MX Record
SRV Record
