The EMAS console provides an online trial feature that lets you quickly test and experience the core capabilities of HTTPDNS.
Access the Page
Log on to the or the EMAS console.
In the left navigation pane, select Access Configuration > Online Trial.
Proprietary Protocol
By default, the page uses the proprietary protocol for domain name resolution testing.
What is the proprietary protocol?
The proprietary protocol is a custom HTTP API provided by HTTPDNS. It supports request encryption, batch resolution, request signing, and business parameter scheduling. For more information, see or Domain Name Resolution Interface.
Procedure
In the Parameter Settings area, you can enter a domain name and configure the related parameters:
Configuration Item
Description
Required
Domain Name to Resolve
The domain name to resolve.
Yes
Client IP
Editable. Default: source IP address of the client connection. Use this to simulate different network environments.
No
Custom SDNS Parameters
Add business-related parameters. You can add up to 10 parameters.
No
Record Type
Select the record types to resolve. Multiple selections are supported.
No
Encryption Mode
Select the encryption method for requests.
Yes
Request Signing
Enable signature verification for requests.
No
Click the Resolve button to send the request. The request URL is generated in real time and can be copied. After the resolution is complete, the response is displayed in the Resolution Results section.
Client IP: The public IP address of the device that sent the domain name resolution request.
Region: The geographic region where the client IP address is located.
Line: The Internet Service Provider (ISP), such as China Telecom, China Unicom, or China Mobile, or the network path type. This parameter is used to distinguish between different ISP networks.
Number of Domain Names to Resolve: The number of domain names included in the resolution request.
Detailed Content:
Resolution Status
Display Format
Result Details
Success
Table format showing resolution results for each domain name
Includes the following fields:
Domain Name to Resolve: original domain name in the request
IP Type: A or AAAA
IP Address: resolved IP address
TTL: maximum time the domain name resolution result remains in cache
Region: geographic region where the IP address is located
Line: ISP line for the target IP address
Failure
Error message shown in the corresponding row of the results table
Shows specific error messages, such as:
Domain name does not exist
Resolution timeout
Invalid parameter
No available records
Try DNS over HTTPS (DoH) Resolution Online
What is the DoH protocol?
DNS over HTTPS (DoH) is a secure resolution protocol defined in RFC 8484. It encrypts DNS queries using HTTPS to prevent hijacking and data tampering. For more information, see or DoH Integration Guide.
Procedure
Click Switch to DoH Protocol. In the Parameter Settings section, you can enter a domain name and configure the related parameters. The parameters are described as follows:
Configuration Item
Description
Required
Domain Name to Resolve
The domain name to resolve.
Yes
Record Type
Select the record type to resolve.
No
Click the Resolve button to send the request. The request URL is generated in real time and can be copied. After the resolution is complete, the response is displayed in the Resolution Results section.
Client IP: The public IP address of the device that sent the domain name resolution request.
Region: The geographic region where the client IP address is located.
Line: The Internet Service Provider (ISP), such as China Telecom, China Unicom, or China Mobile, or the network path type. This parameter is used to distinguish between different ISP networks.
Number of Domain Names to Resolve: The number of domain names included in the resolution request.
Detailed Content:
Resolution Status
Display Format
Result Details
Success
Table format showing resolution results for each domain name
Includes the following fields:
• Domain Name to Resolve: original domain name in the request
• Record Classification: A or AAAA
• Resolution Result: specific resolution result
• TTL: maximum time the domain name resolution result remains in cache
Failure
Error message shown in the Result Description column of the corresponding row in the results table
Shows specific error messages, such as:
• Domain name does not exist
• Resolution timeout
• Invalid parameter
• No available records