If you want more control over which DNS records are imported and how, use the bulk imports. To create a DNS record in the dashboard: Edit DNS recordsTo edit DNS records in the dashboard:
To update part of a record with the API, use a PATCH request. If you want to overwrite the entire existing record, use a PUT request. Delete DNS recordsTo delete DNS records in the dashboard:
A Canonical Name (CNAME) Record is used in the Domain Name System (DNS) to create an alias from one domain name to another domain name. A common example is the www subdomain which is provided as an alias to the root domain name - users accessing “www.example.com” are referred to the root domain (or DNS zone apex) “example.com”. A few common uses of CNAME records are:
How the DNS System Handles CNAME RecordsThe DNS records in the above example would look like this: CNAME from subdomain to parent domain NAME TYPE VALUE The second record is an A record which translates the human-readable domain name “example.com” to an IP address. DNS Resolution Process for CNAME Records
CNAME examplesCNAME from subdomain to subdomain NAME TYPE VALUE CNAME from subdomain to other root domain NAME TYPE VALUE In this example the A name for “www.other.com” is provided in another DNS Zone file. Restrictions on CNAME Records
CNAMEs and Alternative Record TypesThe CNAME Record is typically used alongside other types of DNS Records - A Records and ALIAS Records. Difference Between A and CNAME An A Record maps a hostname to one or more IP addresses, while the CNAME record maps a hostname to another hostname. Difference between ALIAS and CNAME The ALIAS Record, like CNAME, also maps a hostname to another hostname. However, the ALIAS Record makes it possible to have other DNS records on the same hostname, while CNAME does not. This makes it possible to apply ALIAS at the root domain (DNS zone apex), which is not allowed for CNAME. In addition, ALIAS has better performance than CNAME because it does not require the DNS client to resolve another hostname - it directly returns an IP. However ALIAS records too need to do recursive lookups behind the scenes which can affect performance. Linked Records - a Smart Alternative to CNAMENS1’s next-generation DNS platform supports a proprietary DNS record type called a Linked Record. NS1 Multi-CDN: An advanced use case for CNAMEA common way to deploy Content Delivery Networks (CDN) is to add the address of the CDN as a CNAME record for the origin server that hosts website content. This way, anyone accessing resources on the origin server is redirected to the CDN. With next-generation DNS technology, the same CNAME record can allow users to be redirected to one of several CDNs based on dynamic parameters. A DNS platform can be made aware of CDN attributes such as current load, geographical location of nearest Point of Presence (PoP), bandwidth, or even cost. When a user looks up the origin server and is redirected to the CNAME address, that address is dynamically modified to the CDN that can provide the best experience for the end user. NS1 is a next-generation managed DNS platform that can dynamically route users to the most optimal CDN server (or any other server for that matter) based on:
Get a free trial of NS1 and see for yourself how a simple CNAME record can result in intelligent routing of users among multiple global systems, resulting in a vastly improved user experience. How does DNS resolve an NS record to an IP address?When a user tries to access a web address like “example.com”, their web browser or application performs a DNS Query against a DNS server, supplying the hostname. The DNS server takes the hostname and resolves it into a numeric IP address, which the web browser can connect to.
What is NS record in DNS?What is a DNS NS record? NS stands for 'nameserver,' and the nameserver record indicates which DNS server is authoritative for that domain (i.e. which server contains the actual DNS records). Basically, NS records tell the Internet where to go to find out a domain's IP address.
Which type of DNS performs a full name resolution request?Answer: Recursive name servers are ones that perform full DNS resolution requests.
When making a DNS query the following 3 types of DNS servers are used?Top 3 Types of DNS. DNS queries. DNS query is also known as a DNS request. ... . DNS Servers. DNS servers convert domain names into IP addresses. ... . DNS Records. DNS server created a DNS record to give important information about the domain or hostname and its current IP address.. |