Network Naming Flashcards
Resolves IP addresses off of Fully qualified domain names ( FQDN ):
Domain Name Systems ( DNS )
FQDN breakdown:
WWW. - is the Host Name
Google - is the Secondary Domain name
.com - is the Top-Level domain ( TDL ) name
For computers to transfer data between each other in an internal domain or LAN they would need a:
Interior or Authoritative DNS server
the Primary DNS server of a zone or LAN is known as:
Start of Authority ( SOA )
When creating DNS records for IPv4 they would be called:
A - record
When creating DNS records for IPv6 they would be called:
AAAA - record
When creating DNS records, you 1st need a ________ to create or put them in. It also resolves a FQDN to an IP address.
Forward Lookup Zones
Creating Alias or user interfacing for DNS records are called:
Canonical Address or CNAME
Mail Exchange or mail servers get their own ______ in DNS servers
MX record
These help to reduce SPAM or Spoofing in email servers by actually resolving an IP address to a FQDN:
Reverse Lookup Zones
You would set up a __________ in Reverse lookup zones instead of A records.
PTR ( Pointer Record )
these rare type records are Popular for VOIP networks
Service location or (SRV) record
These types ( DKIM and SPF ) records have gotten real important in the anti-spam world:
TXT records
this type of TXT record lets you control or block emails by a statement like: accept only emails from this IP, if it comes from anywhere else, forget about it.
SPF
this type of TXT record uses a key or certificate to authenticate email users
DKIM