Record Types Explanation
Record Type | Type Explanation | Record Value Format Requirement |
---|---|---|
A record | Point a domain to an IPv4 address, supports wildcard resolution. | Dotted decimal IPv4 address, such as 192.168.1.2, supports the input of multiple. |
CNAME record | Point a domain to another domain, achieving the same access effect as the pointed domain. | Domain name format, supports English characters (case insensitive), numbers, ”.”, ”-” and other characters |
MX record | Establish email service, point to the domain of the mail server. | Format is: [priority] [host-name]. Priority is the priority, with a value range of 0-65535. The smaller the value, the higher the priority; host-name is a domain name, corresponding to the address of the mail server |
TXT record | Can be filled in arbitrarily, or left blank. Generally used for some verification records, such as: doing SPF (anti-spam mail) record | Text length does not exceed 255 bytes |
AAAA record | Point a domain to an IPv6 address, supports wildcard resolution. | IPv6 address, such as ff03:0:0:0:0:0:0:c1, supports the addition of multiple |
SRV record | Will be added when adding service records of the server, the record shows what services are provided by a certain server. | The format is [priority] [weight] [port] [host-name]. Piority is the priority, with a value range of 0-65535; weight is the weight, with a value range of 1-65535; port is the service port number, with a value range of 0-65535; host-name is a domain name. Supports newline entry of multiple. For example “1 1 5000 aserver.test.com |
PTR record | Implement reverse resolution from IP to domain name | Domain name format, supports English characters (not case sensitive), numbers, ”.”, ”-” and other characters |