Send message on my server send remote-server-not-found error

2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.SocketUtil - Use DNS to resolve remote hosts for the provided XMPP domain 'xmpp.xyz' (default port: 5269) ...
2022.06.06 22:20:12 TRACE [Server SR - 502490057]: org.jivesoftware.openfire.net.DNSUtil - DNS SRV Lookup for service 'xmpp-server', protocol 'tcp' and name 'xmpp.xyz'
2022.06.06 22:20:12 TRACE [Server SR - 502490057]: org.jivesoftware.openfire.net.DNSUtil - 1 SRV record(s) found for '_xmpp-server._tcp.xmpp.xyz.'
2022.06.06 22:20:12 TRACE [Server SR - 502490057]: org.jivesoftware.openfire.net.DNSUtil - DNS SRV Lookup for service 'xmpps-server', protocol 'tcp' and name 'xmpp.xyz'
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.DNSUtil - No SRV record found for '_xmpps-server._tcp.xmpp.xyz.'
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.SocketUtil - Found 1 host(s) for XMPP domain 'xmpp.xyz'.
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.SocketUtil - - prosody.xmpp.is:5269 (no direct TLS)
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.SocketUtil - Trying to create socket connection to XMPP domain 'xmpp.xyz' using remote host: prosody.xmpp.is:5269 (blocks up to 120000 ms) ...
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.SocketUtil - Successfully created socket connection to XMPP domain 'xmpp.xyz' using remote host: prosody.xmpp.is:5269!
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Validate domain: bbrruuhh.ml(id 4dmw9ex3u1) for OS: xmpp.xyz] - Verifying dialback key...
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Validate domain: bbrruuhh.ml(id 4dmw9ex3u1) for OS: xmpp.xyz] - Opening a new connection to prosody.xmpp.is/185.100.87.4:5269 that is initially not encrypted.
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Verifying key ...
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Configured TrustManager class: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Attempting to instantiate 'class org.jivesoftware.openfire.keystore.OpenfireX509TrustManager' using the three-argument constructor that is properietary to Openfire.
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager - Constructed trust manager. Number of trusted issuers: 148, accepts self-signed: false, checks validity: false
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Successfully instantiated 'class org.jivesoftware.openfire.keystore.OpenfireX509TrustManager'.
2022.06.06 22:20:12 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Send the Authoritative Server a stream header and wait for answer.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Got a response.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - The remote server is XMPP 1.0 compliant (or at least reports to be).
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Negotiating StartTLS with AS...
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager - Attempting to verify a chain of 3 certificates.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager - Attempting to ignore any validity (expiry) issues, as instructed by configuration.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager - Validating chain with 3 certificates, using 148 trust anchors.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Successfully negotiated StartTLS with AS...
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Configured TrustManager class: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Attempting to instantiate 'class org.jivesoftware.openfire.keystore.OpenfireX509TrustManager' using the three-argument constructor that is properietary to Openfire.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.keystore.OpenfireX509TrustManager - Constructed trust manager. Number of trusted issuers: 148, accepts self-signed: false, checks validity: false
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.spi.EncryptionArtifactFactory - Successfully instantiated 'class org.jivesoftware.openfire.keystore.OpenfireX509TrustManager'.
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Verify key with AS: xmpp.xyz for OS: bbrruuhh.ml (id 4dmw9ex3u1)] - Send the Authoritative Server a stream header and wait for answer.
2022.06.06 22:20:13 WARN [Server SR - 502490057]: org.jivesoftware.openfire.server.ServerDialback[Acting as Receiving Server: Validate domain: bbrruuhh.ml(id 4dmw9ex3u1) for OS: xmpp.xyz] - Unable to validate domain: An exception occurred while verifying the dialback key.
java.io.EOFException: input contained no data
    at org.xmlpull.mxp1.MXParser.fillBuf(MXParser.java:3003) ~[xpp3-1.1.4c.jar:?]
    at org.xmlpull.mxp1.MXParser.more(MXParser.java:3046) ~[xpp3-1.1.4c.jar:?]
    at org.jivesoftware.openfire.net.MXParser.more(MXParser.java:372) ~[xmppserver-4.7.1.jar:4.7.1]
    at org.xmlpull.mxp1.MXParser.parseProlog(MXParser.java:1410) ~[xpp3-1.1.4c.jar:?]
    at org.jivesoftware.openfire.net.MXParser.nextImpl(MXParser.java:337) ~[xmppserver-4.7.1.jar:4.7.1]
    at org.xmlpull.mxp1.MXParser.next(MXParser.java:1093) ~[xpp3-1.1.4c.jar:?]
    at org.jivesoftware.openfire.server.ServerDialback.sendVerifyKey(ServerDialback.java:686) ~[xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.server.ServerDialback.sendVerifyKey(ServerDialback.java:733) ~[xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.server.ServerDialback.verifyKey(ServerDialback.java:839) ~[xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.server.ServerDialback.validateRemoteDomain(ServerDialback.java:556) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.session.LocalIncomingServerSession.validateSubsequentDomain(LocalIncomingServerSession.java:247) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.net.ServerSocketReader.processUnknowPacket(ServerSocketReader.java:137) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.net.SocketReader.process(SocketReader.java:247) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.net.BlockingReadingMode.readStream(BlockingReadingMode.java:188) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.net.BlockingReadingMode.run(BlockingReadingMode.java:81) [xmppserver-4.7.1.jar:4.7.1]
    at org.jivesoftware.openfire.net.SocketReader.run(SocketReader.java:150) [xmppserver-4.7.1.jar:4.7.1]
    at java.lang.Thread.run(Thread.java:833) [?:?]
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.BlockingReadingMode - Logging off bbrruuhh.ml/4dmw9ex3u1 on org.jivesoftware.openfire.net.SocketConnection@452f769 socket: Socket[addr=/185.100.87.4,port=39344,localport=5269] session: LocalIncomingServerSession{address=bbrruuhh.ml/4dmw9ex3u1, streamID=4dmw9ex3u1, status=1 (connected), isSecure=true, isDetached=false, isUsingServerDialback=true, localDomain=bbrruuhh.ml, defaultIdentity=xmpp.xyz, validatedDomains={}}
2022.06.06 22:20:13 DEBUG [Server SR - 502490057]: org.jivesoftware.openfire.net.BlockingReadingMode - Closing session: LocalIncomingServerSession{address=bbrruuhh.ml/4dmw9ex3u1, streamID=4dmw9ex3u1, status=1 (connected), isSecure=true, isDetached=false, isUsingServerDialback=true, localDomain=bbrruuhh.ml, defaultIdentity=xmpp.xyz, validatedDomains={}}