HTTP FAILED: java.net.UnknownHostException: Unable to resolve host "ipfs-ext.horizontalsystems.xyz": No address associated with hostname

[wolfenix]

Describe the bug
After successfully generating an apk file, can't access to the live chart or any kind of live data and when i checked the RUN area, i got these error, plz fix this.

D/OkHttp: <-- HTTP FAILED: java.net.SocketTimeoutException: timeout
D/OkHttp: --> GET https://ipfs-ext.horizontalsystems.xyz/ipns/QmXTJZBMMRmBbPun6HFt3tmb3tfYF2usLPxFoacL7G5uMX/xrates/stats/USD/ETH/index.json
D/OkHttp: --> GET https://ipfs-ext.horizontalsystems.xyz/ipns/QmXTJZBMMRmBbPun6HFt3tmb3tfYF2usLPxFoacL7G5uMX/xrates/stats/USD/USDT/index.json
D/OkHttp: --> GET https://ipfs-ext.horizontalsystems.xyz/ipns/QmXTJZBMMRmBbPun6HFt3tmb3tfYF2usLPxFoacL7G5uMX/xrates/stats/USD/TUSD/index.json
D/OkHttp: <-- HTTP FAILED: java.net.UnknownHostException: Unable to resolve host "ipfs-ext.horizontalsystems.xyz": No address associated with hostname
D/OkHttp: --> GET https://ipfs.io/ipns/QmXTJZBMMRmBbPun6HFt3tmb3tfYF2usLPxFoacL7G5uMX/xrates/stats/USD/TUSD/index.json

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Project in android studio and RUN the app.'
2. Click on '"Run"option in botton area'
3. Scroll down to 'HTTP FAILED ERROR'
4. That's the error.

Expected behavior
A clean simple live chart data and live price data. like the official bitstash wallet app shows after downloading form play store.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [Windows 10]
• Browser [Chrome]
• Version [80.0.3987.163]

Smartphone (please complete the following information):

• Device: [Android emulator Android studio - Pixel 3]
• OS: [Android 11]
• Browser [Chrome]
• Version [81.0.4044.96]

Additional context
I've tried everything, but cant fix this, plz help me.