百度智能云

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          DNS

          Add Resolution

          1.Click [Resolution], and enter the resolution page under the domain name.
          2.Click [Add Resolution], fill in host record, record the value, select record type, resolution line, TTL, etc., and click [Confirm] to complete resolution.

          Meaning of Resolution Record Type

          A Record

          Address record, IPv4 address used to specify domain name (e.g.: 8.8.8.8), and if the domain name needs to be pointed to an IP address, it is needed to add a record.

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          • Record type: A
          • Host record: The host record is domain name prefix with common usages including:

            1.www: The resolved domain name is , e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com.
          • Resolution line: The resolution lines can be selected to be default, China Telecom, China Mobile, China Unicom and CERNET.
          • Record value: A Record generally corresponds to the IP address provided by your space service provider. E.g.: ipv4 format like 192.168.2.56.
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes?

          AAAA

          It is used to specify the IPv6 address (e.g.: aa51:c3) record corresponding to host name (or domain name). Resolved to IPv6 address.

          image.png

          • Record type: AAAA
          • Host record: The host record is domain name prefix with common usages including:

            1.www: The resolved domain name is, e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com. (It cannot be recorded as NS) 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com. 
          • Resolution line: It is recommended to select "Default"
          • Record value: Please fill in an IPv6 address for AAAA record value.
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes"

          CNAME

          If you need to point the domain name to another domain name, and then have another domain name to provide ip address, you need to add CNAME record. E.g.: Set test.baidu.com to point to a host www.baidu.com, then you can visit test.baidu.com instead of www.baidu.com.

          image.png

          • Record type: CNAME
          • Host record: The host record is domain name prefix with common usages including:

            1.www: The resolved domain name is, e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com. 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com. 
          • Record value: CNAME record corresponds to the free domain name provided by your space service provider.
          • Resolution line: If there is only one IP address or CNAME domain name, you need to select "Default"
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes"

          MX

          Mail exchange record, if you need to set a mailbox, and have it to receive the mail, you need to add MX record. E.g.: The email you use is ended with domain name baidu.com, and you need to add the MX record of the domain name in the management interface to process all mails ended with @baidu.com.

          image.png

          • Record type: MX
          • Host record: The host record is domain name prefix with common usages including:

            1.www: The resolved domain name is, e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com. 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com. 
          • Resolution line: It is recommended to select "Default"
          • MX priority: MX priority is used to specify the sequence in which the mail server receives mail (from1 to 50), and it is set as 5, 10, 15, etc. by default generally".
          • Record value: MX record corresponds to the domain name provided by mail service provider for you.
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes"

          NS

          Domain name server record, if you need to submit the sub-domain name to other DNS service providers for resolution, you need to add NX record. E.g.: If you want to have the server 12.34.56.78 to resolve news.baidu.com, you need to set the NS record of news.baidu.com.

          image.png

          • Record type: NS
          • Host record: The host record is domain name prefix with common usages including:

            1.www:The resolved domain name is, e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com.(It cannot be recorded as NS) 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com. 
          • Resolution line: It is recommended to select "Default"
          • Record value: For NS record value, NS downward authorization, please fill in DNS domain name.
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes"

          TXT

          You can fill in anything here with a length limit of 255.Majority of TXT records are used as SPF records (anti-spam).

          image.png

          • Record type: TXT
          • Host record: The host record is domain name prefix with common usages including:

            1.www: The resolved domain name is, e.g. www.baidu.com. 
            
            2.@: Resolve main domain name directly, e.g. baidu.com. 
            
            3.*: Pan resolution, match all other domain names, e.g. *.baidu.com. 
          • Resolution line: It is recommended to select "Default"
          • Record value: TXT record value can be filled with any text, and is generally used as the anti-spam setting of corporate mailbox.
          • TTL: TTL refers to Time to Live, the time of DNS in various places caching your domain name record information. TTL value is recommended to be 10 minutes"
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