What Is Start of Authority (SOA)?

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If you're a domain owner, you know that the Domain Name System (DNS) is integral to how the Internet works. It's like the phonebook for websites: it helps translate human-readable addresses into machine-readable ones. Have you ever wondered what exactly goes on behind the scenes to make this happen? The answer lies in something called the Start of Authority (SOA). SOA is a set of data that provides critical resources for the DNS and helps validate domains on the Internet. The DNS, maintained by the Internet Corporation for Assigned Names and Numbers (ICANN) and a community of registrars, identifies ownership and control rights for specific domains. The SOA component contains information about the host for a particular field and a basket of information about how long it takes an entertainer server to refresh the province, respond to messages, or retry failed operations. You might have heard of DNS and SOA records, but what exactly do they do? DNS is short for Domain Name System. It's used to translate your computer's IP address into a domain name you can type into a browser like google.com or this site.com. Without DNS, we'd have to remember all the IP addresses of every site we wanted to visit. That would be impossible! SOA stands for Start Of Authority. When you look up a domain name on your computer, it gives you an IP address and tells you where that DNS server is. It allows you to connect with other computers by knowing where they are in cyberspace (and also lets them know where you are). How does this work? The SOA record mentions a DNS zone instead of a domain. The zone is the portion of an environment controlled by one server instead of many servers. One server can manage many disciplines, but the SOA helps establish which server is responsible for which zone, thus helping point toward the correct working operator for that zone if something goes wrong with communication between servers (which happens often). With this protocol, it would be much easier to collect and use.

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