What are DNS A records?
What are DNS A records?
What is a DNS A record? The “A” stands for “address” and this is the most fundamental type of DNS record: it indicates the IP address of a given domain. For example, if you pull the DNS records of cloudflare.com, the A record currently returns an IP address of: 104.17. 210.9. A records only hold IPv4 addresses.
What is A and AAAA in DNS?
A and AAAA records are equally important when it comes to resolving DNS. The difference lies in that A records is used to resolve a hostname which corresponds to an IPv4 address, while AAAA records are used to resolve a domain name which corresponds to an IPv6 address.
What is a DNS A Record example?
As an example, an A Record is used to point a logical domain name, such as “google.com”, to the IP address of Google’s hosting server, “74.125. 224.147”. These records point traffic from example.com (indicated by @) and ftp.example.com to the IP address 66.147. 224.236.
Which DNS record is most commonly used to map hostnames to an IP address for a host with IPv6?
AAAA
Most commonly used to map hostnames to an IP address of the host. AAAA — an IPv6 address record. Returns a 128-bit IPv6 address. Most commonly used to map hostnames to an IP address of the host.
What are the types of DNS records?
When a DNS query is sent by a device, that query gets a response from those records with the help of DNS servers and resolvers. There are eight records that you see again and again: A, AAAA, CNAME, PTR, NS, MX, SOA, and TXT.
Can two DNS point to same IP?
You can point as many DNS A records to an IP address as you want. In addition, nginx can be configured to listen on different ports, but it will also handle virtual hosts for HTTP so can listen for for different DNS hostnames on the same port.
What is AAAA DNS query?
An AAAA record maps a domain name to the IP address (Version 6) of the computer hosting the domain. An AAAA record is used to find the IP address of a computer connected to the internet from a name. For example, all the DNSimple name servers are assigned to an IPv6 address and can be queried via either IPv4 or IPv6.
What is DNS CNAME example?
A CNAME, or Canonical Name record, is a record that points to another domain address rather than an IP address. For example, say you have several subdomains, like www.mydomain.com, ftp.mydomain.com, mail.mydomain.com etc and you want these sub domains to point to your main domain name mydomain.com.
What are the two types of DNS?
The three different types of DNS server interoperate to deliver correct and current mappings of IP addresses with domain names….The three DNS server types server are the following:
- DNS stub resolver server.
- DNS recursive resolver server.
- DNS authoritative server.
How do I check my DNS records?
Checking DNS records using the command line The most efficient way to check DNS records of the domain is to use a terminal with the command nslookup. This command will run on almost all operating systems (Windows, Linux, and macOS).
Can 2 servers have same IP?
Yes. Two virtual servers on the same Application Switch or Web Switch can share the same virtual IP address as long as they are each configured with unique services or with different source networks.
Can a computer have 2 DNS names?
You can give a machine more than one IP address and that IP address could have a different name in DNS. Therefore it could have a different name as far as TCP/IP is concerned. You can even have CNAME aliases so you have different names for the same IP address.
What kind of records are used in DNS?
A, AAAA, CNAME, and TXT records are but a few of the types of records that can be used by your domains, but what do these do? The most common DNS record used, the A record simply points a domain to an IPv4 address, such as 11.22.33.44. To set up an A record on your domain all you’ll need is an IP address to point it to.
How are records returned in a DNS request?
Returns all records of all types known to the name server. If the name server does not have any information on the name, the request will be forwarded on. The records returned may not be complete. For example, if there is both an A and an MX for a name, but the name server has only the A record cached, only the A record will be returned.
What are the different types of DNS records in azure?
Azure DNS supports all common DNS record types: A, AAAA, CAA, CNAME, MX, NS, PTR, SOA, SRV, and TXT. Note that SPF records are represented using TXT records. Sometimes you need to create more than one DNS record with a given name and type. For example, suppose the ‘www.contoso.com’ web site is hosted on two different IP addresses.
How do I get a DNS record for a domain?
Enter a domain name and select record type to get a specific record or keep default to fetch all DNS records. Enter Domain URL and Select DNS Record Type above, or Select “ANY” to Fetch All DNS Records.