Question: What Is DNS SOA Record?

A start of authority (SOA) record is information stored in a domain name system (DNS) zone about that zone and about other DNS records.

A DNS zone is the part of a domain for which an individual DNS server is responsible.

Each zone contains a single SOA record.

How do I find my SOA records?

First, you need to get the current serial number

  • Open a command window.
  • Type nslookup and press [Enter].
  • Switch to querying SOA records by typing set type=soa and press [Enter].
  • Type the name of the domain name in question and press [Enter].

How does SOA record work?

DNS SOA records. A Start of Authority (SOA) resource record indicates which Domain Name Server (DNS) is the best source of information for the specified domain. Every domain must have an SOA record. When you add a domain to the DNS, the email address that you enter is added to the SOA record for the domain.

Do I need an SOA record?

SOA Records

An SOA record is a Start of Authority. Every domain must have a Start of Authority record at the cutover point where the domain is delegated from its parent domain.

How do I change SOA records?

Update SOA in WHM

  1. Log into WHM.
  2. On the left, select Edit DNS Zone.
  3. Select the domain.
  4. Under the nameserver is the current SOA record. For example: 2018102906 Serial Number. To update the SOA record, increase the last digit pair by one.
  5. Press Save at the bottom. The DNS changes should propogate within 24-48 hours.

What is SOA number?

SOA Serial Numbers. Your SOA serial number is used as a version number for your DNS zone. For all name servers to be up to date with current version of your zone, they must have the same SOA serial number.

What is SOA in DNS zone file?

A start of authority (SOA) record is information stored in a domain name system (DNS) zone about that zone and about other DNS records. A DNS zone is the part of a domain for which an individual DNS server is responsible. SOA records are defined in IETF RFC 1035, Domain Names – Implementation and Specification.

How long is an SOA valid for?

How long is an SoA considered current? The Statement of Advice is current for 30 days.

What is SOA expire value?

The expire field in a SOA record is the upper limit, in seconds, that your secondary name servers are allowed to use the data before it expires for lack of getting a refresh. That shows that among other that your primary DNS server is and your DNS is probably managed by that hosting company.

What is SOA TTL?

SOA TTL – The interval at which the SOA record itself is refreshed. Refresh TTL – The interval at which slave servers (secondary DNS) are set to refresh the master zone file from the master server.

What is an A record?

An A record maps a domain name to the IP address (Version 4) of the computer hosting the domain. An A record is used to find the IP address of a computer connected to the internet from a name. The A in A record stands for Address.

What is SOA and NS in DNS?

So, in short, NS records are used to redirect DNS resolver to the next DNS server that is hosting the next level zone. And, SOA record is used by cluster of DNS servers to sync latest changes from the master to secondary servers.

What is PTR record?

A Pointer (PTR) record resolves an IP address to a fully-qualified domain name (FQDN) as an opposite to what A record does. PTR records are also called Reverse DNS records. You can check your PTR record in external DNS lookup solutions like MX Toolbox.

How do I make a SOA record?

  • Step 1: Select “SOA Records”
  • Step 2: Click the plus sign (+) to add a new SOA Record.
  • Step 3: Insert SOA record details.
  • Step 4: Select the DNS Menu.
  • Step 5: Select a domain.
  • Step 6: Click on the “Settings” tab.
  • Step 7: Apply your SOA record to your domain from the SOA Record drop down menu.

What is the use of SOA?

Service-oriented architecture (SOA) is a software development model for distributed application components that incorporates discovery, access control, data mapping and security features. SOA has two major functions.

What is AAAA record DNS?

The record A specifies IP address (IPv4) for given host. A records are used for conversion of domain names to corresponding IP addresses. The record AAAA (also quad-A record) specifies IPv6 address for given host. So it works the same way as the A record and the difference is the type of IP address.