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What Are DNS Records?
When a computer attempts to access any Internet resource, it utilizes a numerical designator known as IP address, such as 192.168.0.1. Human beings, on the other hand, find it far easier to remember names like google.com. This is where DNS system works. It maintains the mapping of domain names with ID addresses, so when a user request web browsers to visit google.com, the name gets transformed immediately to their designated numerical IP address.
Each domain name, such as "google.com," may have additional information attached with it, all of which assists users and computers in making better use of the resources on that domain effectively. The "MX" record, for example, assists mail servers in determining where to deliver emails. Additional information about the domain, such as ownership, can be found in a "TXT" record.
Why DNS Records are Important?
DNS records are important as they serve as authoritative records for where users seeking specific information can obtain it. They work as roadmaps that let people to engage with websites throughout the internet and serve as the foundation for connected products and systems. DNS is quite difficult to configure, and not setting up DNS properly can cause issues with serving websites, email delivery, and more.
What are the supported DNS Record types?
DNS records are made up using a combination of letters strings known as DNS syntax. The types of supported and commonly used DNS records are listed below:
A: An address record that maps a host's name to its IPv4 address.
AAAA: This is an IPv6 Address record that maps host names to IPv6 addresses.
SRV: This is an acronym for "service record." This DNS type associates a target domain with a specific service that runs on a target domain or subdomain. This record type is utilized by instant messaging, several VoIP, and other applications.
AXFR: Used in replication of DNS. DNS replication can be done in more modern ways. Ordinary zone files does not use of AXFR records.
MX: Mail exchange record that contains some mail exchange servers, used to route mail server requests.
NS: Name server record for a particular domain, A DNS zone is delegated to an authoritative server via a name server record. A domain's main nameserver records are set at the registrar and in the zone file.
SPF: Sender Policy Framework record, which helps in determining the legitimacy of mail server and reduces the possibility of spoofing. This record type is deprecated and is replaced by TXT record.
CAA: CAA stands for Certificate Authority Authorization, which is utilized to determine which CAs are permitted to generate certificates for a domain.
TXT: Stand for Text. A record containing arbitrary text and can be utilized to specify machine-readable data, such as abuse or security prevention information.
CNAME: CNAME is a canonical name record that defines alias names. CNAME is used when the Canonical name gets mapped up by a domain or subdomain with a different one.
SOA – The State of Authority (SOA) record stores information such as the data file version and domain updation information.
PTR – The ipv4 address is handled by the pointer record, which maps it to the CNAME.
DKIM: This shows the public key used to authenticate messages signed using the DKIM protocol. This method improves the accuracy of mail authenticity verification. Text records are used to implement DKIM records.
How does DNS work?
Here's an example of how the DNS lookup procedure works when a user requests to visit a website like mywebsite.com,
1. The user inserts a domain name into the address bar, such as mywebsite.com, and presses enter.
2. Through their ISP (Internet Service Provider), the user's computer sends a request for the domain.
3. ISP’s “DNS resolver” is a service that works on mapping numerical addresses to names. With user's browser, this service performs a query or group of queries to discover the correct IP address for the requested domain. (Due to the large number of addresses on the Internet, this work usually requires the use of multiple servers.)
While it may appear to be a lot of work, the time it takes the ISP to resolve the correct IP address from the DNS record – and then deliver the user's browser to the website – is only a few milliseconds.
About Using DNS Lookup Records Finder
DNS Lookup is a useful and handy tool that displays the DNS records of a specific DNS server. These records are readily collected, and the requests are submitted to three separate DNS servers at the same time to authenticate the data. This gives users access to extensive information about all DNS records types, including NS (nameserver), PTR, SOA, TXT, and AAAA, records.
Just enter a website URL in the text box and press submit to wait for a few seconds and get the required result.