Network

DNS Resolution Query

0calls

2 credits / call

Want to know which IP a domain points to? Or who its mail server is? This endpoint is like an online dig or nslookup tool.

GET

uapis.cn

/api/v1/network/dns

Query parameters

domain

string

required

The domain name you want to query, e.g., 'cn.bing.com'.

type

string

The DNS record type you want to query.

Overview

You can query various DNS records for a specified domain, including A (IPv4), AAAA (IPv6), CNAME (alias), MX (mail exchange), NS (name server) and TXT (text records).

Query parameters

domain

stringrequired

The domain name you want to query, e.g., 'cn.bing.com'.

type

stringoptional

The DNS record type you want to query.

Name	Type	Attributes	Description
`domain`	string	required	The domain name you want to query, e.g., 'cn.bing.com'.
`type`	string	optional	The DNS record type you want to query.

Response

200 / OK

Query successful! Returns the list of resolved DNS records.

JSON

{
  "domain": "cn.bing.com",
  "error": "",
  "records": [
    {
      "content": "v=spf1 ...",
      "flag": 0,
      "port": 443,
      "pri": 10,
      "tag": "issue",
      "target": "1.2.3.4",
      "weight": 5
    }
  ],
  "type": "A"
}

400 / Bad Request

Invalid request parameters. Please check if the domain parameter is provided and formatted correctly.

JSON

{
  "code": "INVALID_ARGUMENT",
  "details": {},
  "message": "Missing or invalid 'domain' parameter."
}

404 / Not Found

DNS records not found. The domain may not exist, or there are no records of the type you queried (e.g., a domain without MX records configured).

JSON

{
  "code": "NOT_FOUND",
  "details": {},
  "message": "No DNS records found for the specified domain and type."
}

Quick start

Pick your language to see usage examples

Auth mode:

cURL command

curl 'https://uapis.cn/api/v1/network/dns?domain=cn.bing.com'

Frequently asked questions

Are there any special restrictions for the DNS Resolution Query API?

DNS Resolution Query follows our standard usage policy. Refer to the endpoint reference above for the exact rate limits and parameter requirements. Reach out if you have unusual needs.

Are the APIs on UAPI free to use?

UAPI gives every visitor free credits so you can call any endpoint right away. Visitor credits have a usage cap, and if you need more you can for additional credits.

Do I need to register an account to use UAPI?

No registration is required for visitor credit calls. If you need more credits or want to manage your call history, you can register a free account. Signed-in users get more free credits and can review usage details in the console.

Which languages and use cases does UAPI support?

Our APIs follow standard HTTP and RESTful design, so any language that can send network requests works — including JavaScript (Node.js, Vue, React), Python, Java, PHP, Go, C#, and more. They fit web apps, mobile backends, mini-program cloud functions, automation scripts, and similar scenarios.

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