DNS Check

[{"name":"Delhi, India","long":"77.22499847","lat":"28.63529968","country":"IN","result":""},{"name":"California, United States","long":"-122.0304794312","lat":"37.3535118104","country":"US","result":""},{"name":"Somerton Park, Australia","long":"138.521286","lat":"-34.996670","country":"AU","result":""},{"name":"S\u00e3o Paulo, Brazil","long":"-46.63314056","lat":"-23.55151939","country":"BR","result":""},{"name":"Bavaria, Germany","long":"10.75339985","lat":"49.11594009","country":"DE","result":""}]
  • Delhi, India
  • California, United States
  • Somerton Park, Australia
  • São Paulo, Brazil
  • Bavaria, Germany

DNS stands for Domain Name System. DNS is a system that translates names of websites into IP addresses. It is the internet’s phone book.

The DNS system is a hierarchical distributed database of information about how to connect to computers on the internet, and how to find services on them. The internet’s naming system, or Domain Name System (DNS), is the phone book for all things online. It turns names like www.google.com into numbers called IP addresses that computers use to communicate with each other, and vice versa.”

DNS was created in 1983 to allow the Internet to grow and scale. The original idea was to create a distributed database of all the domains on the Internet and their corresponding IP addresses, which could be queried by any computer on the network.

How DNS works?

The DNS system is hierarchical, which means that it breaks the internet down into domains and subdomains. The top-level domains are generic, like .com or .org, while the second-level domains are more specific, like amazon.com or facebook.com

Each domain has a DNS server that handles requests for it and provides the corresponding IP address when requested.

In order for DNS to work correctly, it must be updated with new information every time there is an update. This includes adding new websites and removing old ones, as well as fixing errors in the system.

Check DNS Propagation

The “DNS check” propagation is a process of updating the IP address of a website or domain name to the servers that are responsible for hosting it. The DNS propagation starts when you create or modify a domain name and it is completed when the changes have been updated on all servers.

The time that it takes for the DNS changes to propagate may vary depending on how many DNS providers you have, how much information has changed in your domain name records and whether you are using a different IP address than before.

What is DNS propagation?

DNS propagation is the process of updating the domain servers with new records.

The DNS propagation process is usually initiated by a registrar or the domain owner. The registrar will notify all of their authoritative name servers that they have a new resource record in their zone. The authoritative name server will then contact all of its other name servers and tell them about this new resource record. These name servers will then contact their other name servers and so on and so forth until it reaches all of the authoritative name servers for that zone.

When a server receives this update, it will check to see if there are any changes to be made to its local copy of the zone file. If there are changes, it will make them locally and then send out an update to its other name server about these changes. This process can take anywhere from a few hours to a day or two depending on how many DNS servers are involved in propagating the change around the world.

The process usually takes around 24 hours, but can take up to 72 hours in some cases. This article explains what you can do during this time period if you want to speed up your site’s access or start using it right away without waiting for DNS propagation to complete.

What is DNS resolution?

DNS resolution is a process that translates domain names into IP addresses.

While DNS resolution is a standard, it can be configured to different levels of specificity. The more specific the resolution, the more accurate it will be.

DNS stands for Domain Name System. It is a decentralized system that enables internet browsing by converting IP addresses into human-readable domain names.

The DNS resolution process is as follows:

  1. The user types in a web address, which is translated to an IP address by the browser.
  2. The browser then contacts the DNS server and asks what information they have on the domain name.
  3. If the DNS server has no information on that domain name, it will ask other servers until it finds one with information, or just give up and return an error message to the browser.
  4. Once it finds a server with the right information, it will return this data to the browser so that it can load up the website.

How do DNS records propagate?

When a new website or service is created, it needs to be added to the DNS so that people can find it on the Internet. This can be done manually by an administrator or automatically through an automated process called Dynamic DNS (DDNS). DDNS uses software on your server to update your IP address when it changes.

There are two types of DNS records, primary and secondary. Primary records are used for specific domain names while secondary records store additional information about the domain name such as aliases or mailers.

Why DNS propagation takes time?

DNS propagation is a process of updating the DNS records for a domain. It usually takes time because it needs to propagate through the DNS servers around the world.

DNS propagation is done through IP multicast, which makes it slower than other methods such as UDP or TCP.

This section will talk about why DNS propagation takes time and why it is done through IP multicast.

DNS propagation is the process of updating a domain’s name servers with the IP address of a new domain. This process can take up to 24 hours for all DNS servers around the world to be updated with this information.

The time it takes for DNS propagation depends on how many DNS servers are being updated and how many domains are being pointed to a new host.

How does the DNS process work?

The most common types of DNS records are: MX (Mail Exchange), A (Address), NS (Name Server), and PTR (Pointer).

In order for a DNS system to work, it needs two components -a database and a protocol. The database stores all of the mapping information and keeps track of how domains are related to other domains in its hierarchy. The protocol determines how computers communicate with each other when looking up addresses for domains that they want access too.

The DNS process works as follows:

  • A user types in a URL like google.com into their browser and presses enter.
  • The browser then sends this request to your local computer’s operating system, which then forwards it to your ISP’s server for resolution.
  • This server looks up where google’s IP address is located and then forwards it back to your computer so you can connect to Google with an IP address of instead of google dot com with an IP address of 74.125.224/27

Which are the best DNS servers?

Google Public DNS:

  • IPv4:
    • Primary:
    • Secondary:
  • IPv6:
    • Primary: 2001:4860:4860::8888
    • Secondary: 2001:4860:4860::8844


  • IPv4:
    • Primary:
    • Secondary:
  • IPv6:
    • Primary: 2620:119:35::35
    • Secondary: 2620:119:53::53

Quad9 (Malware Blocking Enabled):

  • IPv4:
    • Primary:
    • Secondary:
  • IPv6:
  • Primary: 2620:fe::fe
  • Secondary: 2620:fe::9


  • IPv4:
    • Primary:
    • Secondary:
  • IPv6:
    • Primary: 2001:1608:10:25::1c04:b12f
    • Secondary: 2001:1608:10:25::9249:d69b

Comodo Secure DNS:

  • IPv4:
    • Primary:
    • Secondary:


  • IPv4:
    • Primary:
    • Secondary:
  • IPv6:
    • Primary: 2606:4700:4700::1111
    • Secondary: 2606:4700:4700::1001