tableau / react-native-dns-lookup Goto Github PK

A React Native module that leverages iOS and Android native networking libraries to lookup all of the IP addresses associated with a hostname

License: MIT License

Java 35.59% JavaScript 3.20% Objective-C 51.37% Ruby 9.84%

react-native-dns-lookup's Introduction

react-native-dns-lookup

A React Native module that leverages iOS and Android native networking libraries to lookup all of the IP addresses associated with a hostname

Usage

import { getIpAddressesForHostname } from 'react-native-dns-lookup';

// For a given hostname, returns a promise that resolves with an array of strings
// containing all of the ip addresses associated with the hostname.
getIpAddressesForHostname("github.com").then(ipAddresses => console.log(ipAddresses));

// Output: ["192.30.255.112", "192.30.255.113"]

Installation

$ npm install react-native-dns-lookup --save

$ yarn add react-native-dns-lookup --save

Contributions

Code contributions and improvements by the community are welcomed! See the LICENSE file for current open-source licensing and use information.

Before we can accept pull requests from contributors, we require a signed Contributor License Agreement (CLA),

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react-native-dns-lookup's Issues

Unable to build React Native project after linking react-native-dns-lookup

Hi,

I'm currently looking into DNS Lookup modules for react native and came across this project as it looked perfect for what I needed.

However after adding it to my project I have been unable to get my builds to work.

I ran react-native link react-native-dns-lookup and everything looks fine except for this error when I build.

The following error occurs in RNDnsLookup.m

Any help would be greatly appreciated.

Please remove JCenter from the library's dependent maven repositories

SRV records is not working

I have tried SRV records and it's throwing Error: Unable to resolve host "SRV-URL": No address associated with hostname. could you please help with the error? Please find the code snippet below.

getIpAddressesForHostname("SRV-url").then(ipAddresses => console.log(ipAddresses));

Custom DNS resolver

Is there any way by which we can use a custom DNS resolver like Cloudflare 1.1.1.1 ?

getIpAddresses - TypeError: null is not an object

When building on iOS with XCode 11.4.1 and RN 0.62.2 I get the error, "TypeError: null is not an object (evaluating RNDnsLookup.getIpAddresses)" at runtime when getIpAddressesForHostname is called. I have tried both auto and manual linking. My Android build runs without any issue.

Call getIpAddressesForHostname with toto.domain.com => Sends []
Add an A record toto.domain.com pointing to some IP address (AWS Elastic IP)
Call getIpAddressesForHostname with toto.domain.com => Sends [] indefinitely

If we donc call getIpAddressesForHostname before adding the record, then it resolves correctly. Is there something specific to do for this ?