Question: What Are The Types Of DNS Records?

What is a Cname record example?

A Canonical Name or CNAME record is a type of DNS record that maps an alias name to a true or canonical domain name.

For example, a CNAME record can map the web address www.example.com to the actual web site for the domain example.com..

How do I check my DNS records?

How To Use NSLOOKUP to View Your DNS RecordsLaunch Windows Command Prompt by navigating to Start > Command Prompt or via Run > CMD.Type NSLOOKUP and hit Enter. … Set the DNS Record type you wish to lookup by typing set type=## where ## is the record type, then hit Enter. … Now enter the domain name you wish to query then hit Enter..More items…•

Who is responsible for DNS?

Where are the DNS root servers located? There are hundreds of root servers at over 130 locations all over the world. ICANN² is responsible for the servers for one of the 13 IP addresses and entrusts the operation of the rest to various other organizations.

What are different types of DNS records?

DNS Record typesA (Host address)AAAA (IPv6 host address)ALIAS (Auto resolved alias)CNAME (Canonical name for an alias)MX (Mail eXchange)NS (Name Server)PTR (Pointer)SOA (Start Of Authority)More items…

What is DNS zone types?

DNS Zone Types There are two types of zone files: A DNS Master File which authoritatively describes a zone. A DNS Cache File which lists the contents of a DNS cache—this is only a copy of the authoritative DNS zone.

What is DNS zone example?

A DNS zone is a portion of the DNS namespace that is managed by a specific organization or administrator. A DNS zone is an administrative space which allows for more granular control of DNS components, such as authoritative nameservers. The domain name space is a hierarchical tree, with the DNS root domain at the top.

What does AAAA stand for?

Internet and computing AAAA protocol, within computer security, “authentication, authorization, accounting and auditing” – the AAA protocol combined with auditing. AAAA record, also known as “IPv6 address record”, maps a hostname to a 128-bit IPv6 address in the Domain Name System (DNS)

What is the importance of using DNS?

DNS stands for Domain Name System. This system is arguably one of the most important aspects of the Internet. DNS ensures the Internet is not only user-friendly but also works smoothly, loading the content users ask for quickly and efficiently.

Is AAAA record necessary?

AAAA Records are like A records but for IPv6 IP addresses instead of IPv4. Note: If you wish to setup a DNS record with Name.com, it’s important to note you need to use our nameservers – so name.com manage and host your DNS.

What is the DNS query?

A DNS query (also known as a DNS request) is a demand for information sent from a user’s computer (DNS client) to a DNS server. … An attempt to reach a domain, is actually a DNS client querying the DNS servers to get the IP address, related to that domain.

What DNS records do I need for website?

What DNS Records Do I Need to Add?You MUST have an A Record. … If you want to use www. … If you have any subdomains such as blog.mydomain.com then you will need to set up A Records for these also and point them to the IP address of where they are held.If you are using email you will need an MX Record.

How do I set DNS records?

Create an A record on your domainLog into the One.com control panel.Click DNS settings on the Advanced settings tile.Go to DNS records.Under create new record, click A.Enter the following details: – Hostname: leave it empty to point the domain, or enter a subdomain. … Click Create record to save your settings.

What are A records in DNS?

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 google.com, the ‘A’ record currently returns an IP address of: 172.217. 5.78.

What are the two types of DNS?

What are the different types of DNS server? All DNS servers fall into one of four categories: Recursive resolvers, root nameservers, TLD nameservers, and authoritative nameservers.

What is A and AAAA record?

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. … As with the A records, you can use multiple AAAA records for the same domain in order to provide redundancy.

What is the difference between a zone and a domain in DNS?

A “domain” represents the entire set of names / machines that are contained under an organizational domain name. For example, all domain names ending with “.com” are part of the “com” domain. A “zone” is a domain less any sub-domains delegated to other DNS servers (see NS-records).

What is a DNS record set?

A record set (also known as a resource record set) is the collection of DNS records in a zone that have the same name and are of the same type.

How DNS works step by step?

ProcessStep 1: Requesting Website Information. First, you visit a website by typing a domain name into a web browser. … Step 2: Contact the Recursive DNS Servers. … Step 3: Query the Authoritative DNS Servers. … Step 4: Access the DNS Record. … Step 5: Final DNS Step. … Authoritative DNS Server. … Recursive Nameserver.