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SOA TTL (seconds) - The time-to-live (TTL) of the zone's start of authority (SOA) record. This value indicates the amount of time resolvers cache the SOA. Default is 3600 seconds (i.e., 1 hour). Refresh (seconds) - The amount of time between each attempt by the secondary DNS servers to refresh the primary zone file.

The SRV record is a Domain Name System (DNS) resource record. It's used to identify computers hosting specific services. SRV resource records are used to locate domain controllers for Active Directory.

Like A records, AAAA records enable client devices to learn the IP address for a domain name. The client device can then connect with and load the website. AAAA records are only used when a domain has an IPv6 address in addition to an IPv4 address, and when the client device in question is configured to use IPv6.

The e-mail record includes transmission data that identifies the sender and the recipient(s) and the date and time the message was sent and/or received; when e-mail is sent to a distribution list, information identifying all parties on the list is retained for as long as the message is retained; and.

NS: Name server record, which delegates a DNS zone to an authoritative server. PTR: Pointer record, which defines a name associated with an IP address. SOA: Start of authority, used to designate the primary name server and administrator responsible for a zone.

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

How to Create and Configure an SOA Record for Your Domain Step 1: Determine Your Primary DNS Server. ... Step 2: Choose an Email Address. ... Step 3: Choose the Serial Number. ... Step 4: Set the Refresh, Retry, and Expiry Times. ... Step 5: Add the SOA Record to Your DNS Zone File. ... Step 6: Verify the SOA Record.