Resource Record rules

How does the https://www.dnspod.cn Add a record? 1. Under what circumstances will a record be used?
[If you want to direct a domain name to an IP address, you need to add a record]

2. How to add a record

A. enter a subdomain name in the Host record (for example, to add www.123.com resolution, you only need to enter WWW in the Host record. If you only want to add 123.com resolution, leave the Host record blank, the system will automatically enter "@" in the input box)

B. The record type is.

C. Line type (required by default; otherwise, some users may not be able to parse the line; in, the default role is: all users except Unicom users will point to 1.1.1.1)

D. The record value is an IP address. Only IPv4 addresses can be entered.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add a cname record? 1. Under what circumstances will cname record be used?
[If you want to direct the domain name to another domain name and then provide an IP address for the other domain name, you need to add a cname Record]
The most common cases of cname include CDN and enterprise post office.

2. How to add a cname record

A. enter a subdomain name in the Host record (for example, to add www.123.com resolution, you only need to enter WWW in the Host record. If you only want to add 123.com resolution, leave the Host record blank, the system will automatically enter "@" in the input box, And the @ cname will affect the normal resolution of MX records, so be careful when adding the records)

B. The record type is cname.

C. Line type (required by default; otherwise, some users may not be able to parse the line; in, the default role is: all users except Unicom users will point to 1.com)

D. The record value is the domain name pointed to by cname. You can only enter the domain name. After the record is generated, a "." is automatically added to the domain name. This is normal.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
· A records take precedence over cname records. That is, if a host address has both a record and cname record, the cname record does not take effect.How to add MX records? 1. Under what circumstances will MX records be used?
[If you need to set up a mailbox to enable the mailbox to receive the mail, you need to add an MX record]

2. How to add MX records

A. Enter the subdomain name in the Host record (generally it is to do the mailbox of the xxx@123.com, so the Host record is generally left blank; if the host record is filled in mail, the mailbox address will change to xxx@mail.123.com)

B. The record type is MX.

C. Line type (required by default; otherwise, some users may not be able to parse and emails will not be charged; MX generally does not require intelligent resolution, which can be directly defaulted)

D. The record value can be a domain name or an IP address.
If it is a domain name, the domain name to be directed must have a record (such as mail.123.com). After the record is generated, a "." will be automatically added after the domain name. This is a normal phenomenon;
If it is an IP address, enter the email server IP address directly. After the record is generated, a "." is automatically added.

E. the lower the MX priority value, the higher the priority level (for example, the email will first try to send to 1.1.1.1 with MX Priority 5. If the attempt fails, it will be sent to mail.123.com with MX Priority 10)

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add TXT records? 1. Under what circumstances will txt records be used?
[If You Want To identify and describe the domain name, you can use TXT records. The vast majority of TXT records are used for SPF records (Anti-spam)]

2. How to add TXT records

A. enter a subdomain name in the Host record (for example, to add a TXT record for www.123.com, you only need to enter WWW in the Host record. If you only want to add a TXT record for 123.com, leave the Host record blank, the system will automatically enter "@" in the input box)

B. The record type is TXT.

C. Line type (required by default; otherwise, some users may not be able to parse the TXT record; smart resolution is not required for TXT record, which can be directly defaulted)

D. The record value does not have a fixed format, but most of the time, TXT records are used for SPF anti-spam.
The most typical TXT record in SPF format is "V = spf1 A mx ~ "All" indicates that only the IP addresses in the record and MX record of this domain name have permission to send emails using this domain name.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add URL records? 1. Under what circumstances will URL records be used?
[If You Want To redirect from address 301 to another address, you need to add a URL record, such
Http://www.mytaobao.com jump to http://sdfe87fa86d89fe.taobao.com]

2. How to add URL records

A. enter a subdomain name in the Host record. For example, you only need to enter WWW in the Host record to add a jump from www.123.com. If you only want to add a jump from 123.com, leave the Host record blank, the system will automatically enter "@" in the input box)

B. The record type is URL (currently only VIP users can use URL forwarding)

C. Line type (required by default; otherwise, some users cannot parse the line)

D. The record value must be a complete address (as shown in, it must contain a protocol, domain name, and can contain port numbers and resource locators)

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add SRV records? 1. Under what circumstances will SRV records be used?
[SRV records are used to identify a server using a service, which is common in Microsoft Directory management]

2. How to add SRV records

A. The host record format is: Service name, protocol type

B. The record type is srv.

C. Line type (required by default; otherwise, some users cannot parse the line)

D. The record value format is priority, weight, port, and host name. After the record is generated, a "." is automatically added after the domain name. This is normal.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add an AAAA record? 1. Under what circumstances will AAAA records be used?
[When you want a visitor to access your domain name through an IPv6 address, you can use AAAA records]

2. How to add AAAA records

A. enter a subdomain name in the Host record (for example, you only need to enter WWW in the Host record for www.123.com. If you only want to add 123.com resolution, leave the Host record blank, the system will automatically enter "@" in the input box)

B. The record type is AAAA.

C. Line type (required by default; otherwise, some users may not be able to parse the line; in, the default role is: all users except Unicom users will point to: 2)

D. The record value is an IP address. Only IPv6 addresses can be entered.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
How to add NS records? 1. Under what circumstances will NS records be used?
[If you need to hand over the subdomain name to another DNS provider for resolution, you need to add an NS Record]

2. How to add NS records

A. enter a subdomain name in the Host record (for example, to authorize the resolution of www.123.com to another DNS server, you only need to enter WWW in the Host record. The host record "@" cannot be used as an NS record, the authorized sub-domain name does not affect the normal resolution of other sub-domain names)

B. The record type is ns.

C. Line type (required by default; otherwise, some users cannot parse the line)

D. The record value is the domain name of the DNS server to be authorized. After the record is generated, a "." is automatically added after the domain name. This is normal.

E. mx priority is not required

F. TTL is not required. The system will automatically generate the TTL value when it is added. The default value is 600 seconds.
(TTL indicates the cache time. The smaller the value, the faster the modification record takes effect)
What is Pan resolution? What is hybrid Pan resolution?

1. wildcard DNS uses the * number to match all subdomain names.
For example, you need to add the following domain names:

The number of subdomains may be larger, and the corresponding IP address is only one. In this case, you can use wildcard DNS to simplify the record:

[The above two figures have the same final effect on the subdomain names to be added]

2. Hybrid Pan resolution adds a limit on the basis of PAN resolution so that records can be classified as needed
For example, you need to add the following domain names:

Subdomain names can be grouped according to a certain restriction, and each group has only one IP address. In this case, hybrid Pan resolution can be used to simplify the record: