Since your servers went down, multiplayer mode does not work anymore.

1. It's not the internet
2. It's not the server, rebooted, reinstalled, deleted server.properties

Here is your crappy java error.

[18:27:00] [Yggdrasil Key Fetcher/ERROR]: Failed to request yggdrasil public key
com.mojang.authlib.exceptions.MinecraftClientException: Failed to read from https://api.minecraftservices.com/publickeys due to Read timed out
    at com.mojang.authlib.minecraft.client.MinecraftClient.readInputStream(MinecraftClient.java:108) ~[authlib-6.0.54.jar:?]
    at com.mojang.authlib.minecraft.client.MinecraftClient.get(MinecraftClient.java:57) ~[authlib-6.0.54.jar:?]
    at com.mojang.authlib.yggdrasil.YggdrasilServicesKeyInfo.fetch(YggdrasilServicesKeyInfo.java:114) ~[authlib-6.0.54.jar:?]
    at com.mojang.authlib.yggdrasil.YggdrasilServicesKeyInfo$1.run(YggdrasilServicesKeyInfo.java:89) ~[authlib-6.0.54.jar:?]
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[?:?]
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[?:?]
    at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[?:?]
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
    at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278) ~[?:?]
    at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304) ~[?:?]
    at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346) ~[?:?]
    at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796) ~[?:?]
    at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:489) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:483) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:160) ~[?:?]
    at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:111) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1506) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1421) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:455) ~[?:?]
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:426) ~[?:?]
    at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:586) ~[?:?]
    at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:187) ~[?:?]
    at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1675) ~[?:?]
    at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1599) ~[?:?]
    at java.base/java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:531) ~[?:?]
    at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:307) ~[?:?]
    at com.mojang.authlib.minecraft.client.MinecraftClient.readInputStream(MinecraftClient.java:84) ~[authlib-6.0.54.jar:?]
    ... 9 more