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Manage DNS records (advanced interface mode with dynamic response)

This article explains how to create DNS record sets (RRSets) in the advanced mode of Gcore DNS Hosting. Interface mode differences are described in the "About Gcore DNS" article.

Manage DNS records

Create a DNS record

1. Go to records settings

Open the All zones tab and select the domain zone you want to add records for. Click the domain zone or click Go to records in the menu that appears when you click on three dots opposite the domain zone. Alternatively, click on the domain name in the “Quick zone selection” list on the left.

All zones tab

The page with the existing DNS records will open. Click Add record set.

DNS record management page

A new page will appear. Perform the remaining steps there.

How to configure RRSets in advanced mode

2. Select the record type

In the “Type” section, select the type of DNS record you want to create: A, AAAA, NS, CNAME, MX, SRV, HTTPS, TXT, or CAA. Learn more about them in the article Supported DNS record types.

3. Specify the domain or subdomain(s)

In the “Name” field, specify which domain or subdomain the record belongs to. You have three options:

  1. Leave the field empty to add a record for the main domain (apex/naked domain).
  2. Enter the subdomain part (e.g., in one.sampledomain.com, one is a subdomain) to add a record for the particular subdomain.
  3. Enter * (asterisk) to add a record for all subdomains at once (wildcard record).

4. Specify TTL

In the TTL field, enter the interval in seconds that servers on the internet use to check if the DNS records for your domain have changed.

For example, an A record has a TTL of 300 seconds. If you change the value of this record from to, within 5 minutes, users requesting your domain will get a server with IP (this value will be stored in the cache of recursive DNS servers). However, after 5 minutes, the DNS server will check the settings and see the new value of the A record. When your domain is requested, the DNS server will send users to the server with IP

(Optional) 5. Configure dynamic response

The dynamic response feature is available for the Free plan, but you can create only one dynamic RRset in this plan.

Our DNS server can give different DNS records to different users, for example, sending users from Asia to an Asian server and European users to a European one. This is called dynamic response. Learn how to configure it in detail in a separate article: Dynamic response.

To enable dynamic response, move the corresponding toggle. If balancing is unnecessary, leave it disabled and go to step 6.

You can also configure the dynamic response feature via API requests using Dynamic RRsets. For more information about pickers and selectors, read the API documentation.

6. Input the content of the record

Fill in the “Content” field with an appropriate value for your record type:

Record type Value
A The IP address (IPv4) of the server of the web page that will open by your domain name. Example:
AAAA The IP address (IPv6) of the server of the web page that will open by your domain name. Example: 7625:0d18:1fa3:07d7:1f44:8a2e:07a0:678h
NS The name of the zone you want to delegate your domain to. Example: ns1.smth.com
CNAME The domain or domain zone name that your domain should refer to. Example: uuuuu8.cdn.co
MX The name of the mail server that receives mail for your domain. Example: ASPMX.L.GOOGLE.COM If you are using multiple mail servers, fill in the “Priority” field for each server. The lower the value in this field, the higher the priority.
SRV The canonical name of the machine providing the service. Example: _sip._tcp.example.com. 3600 IN SRV 10 50 5060 sipserver.example.com
HTTPS HTTPS is a resource record that provides information and parameters for how to access a web service available via HTTTS.
Example: example.com. 1800 IN HTTPS 1 . alpn=h3,h3-29,h2 ipv4hint=,
TXT Text information the record should contain. Example: logmein-verification-code=976afe6f-8039-40e4-95a5-261b462
CAA Defines the certificate authorities who are allowed to issue an SSL/TLS-certificate for the domain name. The recording consists of three parts which are separated by a space. CAA [flags] [tag] "[value]" The "value" must be enclosed in double-quotes (""). Example: 0 issue "comodo.com"

You can also specify associated metadata. It is used for dynamic response configuration. Read about metadata in the separate guide.

(Optional) 7. Add additional records of the selected type

To add multiple records of the same type, click Add record on the left. A new line will appear. There, enter the content of the next record and associated metadata if needed. Any record can be deleted by clicking the "—" button next to it or disabled by the toggle on the left.

8. Complete the configuration

After completing the configuration, click the Create button. DNS records with the specified parameters will be created.

You can check if the created record has been added correctly using the Gcore DNS Lookup tool.

Edit a DNS record

1. Open the record settings as described in step 1 of the instructions above.

2. Click Edit in the menu that appears when you click on the three dots next to the desired resource record or on its name.

Edit a DNS record

3. Make the necessary changes.

4. Click Save or Save and Close to apply the new settings.

Delete a DNS record

1. Open the record settings as described in step 1 of the instructions above.

2. Click Delete in the menu that appears when you click on the three dots next to the desired resource record.

Delete a DNS record

3. Confirm the deletion.

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