An alias is a friendly name for a AWS KMS key. For example, an alias lets you refer to a KMS key as test-key instead of 1234abcd-12ab-34cd-56ef-1234567890ab .
What is an alias record used for?
¶ You will use an ALIAS record when you want the domain itself (not a subdomain) to “point” to a hostname. The ALIAS record is similar to a CNAME record, which is used to point subdomains to a hostname. The CNAME record only can be used for subdomains, so the ALIAS record fills this gap.
What is difference between Alias and CNAME?
Understanding the differences The CNAME record maps a name to another name. It should only be used when there are no other records on that name. The ALIAS record maps a name to another name, but can coexist with other records on that name.
What is an alias record set?
Azure DNS alias records are qualifications on a DNS record set. They can reference other Azure resources from within your DNS zone. For example, you can create an alias record set that references an Azure public IP address instead of an A record.
How do I create alias record in Route 53?
Create an alias record Create your record using the Route 53 console and specify the necessary values for alias records. Be sure to use the correct DNS record type for IP addresses in the service you’re pointing to: Amazon CloudFront distribution – A record (IPv4) or AAAA record (IPv6)
What is Route 53 hosted zone?
A hosted zone is an Amazon Route 53 concept. A hosted zone is analogous to a traditional DNS zone file; it represents a collection of records that can be managed together, belonging to a single parent domain name. All resource record sets within a hosted zone must have the hosted zone’s domain name as a suffix.
Why do servers have aliases?
One reason for using this could be to make a computer look as though it is multiple computers, so for example you could have one server that is acting as both a gateway (router) and a DHCP server and DNS using three different IP addresses, perhaps with a future plan to use a hardware router and to move the …
What is alias in server?
A domain alias is an additional/alternate domain name created for the primary domain of the website. For example, if domain name for your website is example.net, you can register another domain name for the same website – example.com and have it point to the location of example.net.
What is Zone apex in AWS?
A zone apex record is a DNS record at the root of a DNS zone, such as ‘example.com. without having to change DNS or client configurations. If you are using Amazon Route 53 to manage your hosted zone, AWS provides alias record sets to redirect your zone apex requests to an AWS service DNS name.
What is a record Route 53?
With Amazon Route 53, you can create and manage your public DNS records. Like a phone book, Route 53 lets you manage the IP addresses listed for your domain names in the Internet’s DNS phone book. Route 53 also answers requests to translate specific domain names like into their corresponding IP addresses like 192.0.
What is difference between a record and CNAME?
An A record is the actual record. The name is resolved to the corresponding IP address. CNAME records (short for Canonical Name) map your hostname to another hostname. It is useful for pointing many hosts to the same place and updating them easily.
Why is Route 53 used?
Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service. It is designed to give developers and businesses an extremely reliable and cost effective way to route end users to Internet applications by translating names like into the numeric IP addresses like 192.0.
What are Amazon Route 53 Alias Records?
Amazon Route 53 alias records are mapped internally to the DNS name of alias targets such as AWS resources. Route 53 monitors the IP address associated with an alias target’s DNS name for scaling actions and software updates.
What is Route 53 in AWS?
Amazon Route 53. Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service.
What TTL value does Route 53 use for Alias Records?
If an alias record points to another record in the same hosted zone, Route 53 uses the TTL of the record that the alias record points to. For more information about the current TTL value for Elastic Load Balancing, go to Request routing in the Elastic Load Balancing User Guide and search for “ttl”.
Why does Route 53 return SERVFAIL/refused rcode error when creating Alias Records?
Route 53 follows the pointer in an alias record only if the record type matches. To create an alias record for a CNAME record, the alias target must resolve to a CNAME value. Even if you create an invalid CNAME (ALIAS) record, Route 53 can’t resolve the IP address of the endpoint. As a result, Route 53 returns an SERVFAIL/REFUSED RCODE error.
