Module 04. Mail Security Flashcards
1
Q
What is DNS
A
Domain Name Service
2
Q
What are DNS Records?
A
Record associating domain names with IP address
3
Q
Where is DNS info stored?
A
Domain Name Registrar
4
Q
Are domains owned?
A
Not owned but reserved.
5
Q
DNS Queries
A
Request for info from a client to a server.
6
Q
DNS Records listed here
A
MX, NS, A, Cname, TXT
7
Q
MX record
A
Mail Exchange Record
8
Q
NS record
A
Name Server Record
9
Q
A record
A
Address Record
10
Q
Cname record
A
Canonical Name Record (Alias)
11
Q
TXT record
A
Text Record
12
Q
Mail Protocol
A
SMTP(25), POP3(110), IMAP(143)
13
Q
SMTP
A
Simple Mail Transfer Protocol (port 25)
14
Q
POP3
A
Post Office Protocol (port 110)
15
Q
IMAP
A
Internet Message Access Protocol
