Route 53 basics Flashcards
Global Domain Name System (DNS) web service that routes traffic to various targets with a single database
Route 53
Can you register domains with Route 53
Yes
container for DNS records, and these records contain information about how you want to route traffic for a specific domain
Zones
Can Route 53 tolerate the failure of one or more regions and continue to operate
Yes
automatically creates a name server (NS) record and a start of authority
(SOA) record
Public hosted zone
When you create a VPC, Route 53 Resolver automatically answers DNS queries for local VPC domain names of EC2 instances and records in private hosted zones
private hosted zones
Stores records
Hosted zones
indicates which DNS server is authoritative for that domain (i.e. which server contains the actual DNS records)
Nameserver Records
Record that tells the Internet where to go to find out a domain’s IP address
Nameserver Records
Record that maps host onto a IPv4 address
A record
Record that maps host onto a IPv6 address
AAAA record
Record that maps host to host
CNAME
Can CNAME records map directly to an IP address
No
Indicates how email messages should be routed in accordance with the Simple Mail Transfer Protocol (SMTP, the standard protocol for all email)
MX records
‘priority’ numbers before the domains for these records indicate preference; the lower ‘priority’ value is preferred.
MX records
