exception tick loop

[dadada]

idk what is happening help pls

 

Description: Exception in server tick loop

java.net.UnknownHostException: teheransana.minecraftserver.net
    at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
    at java.net.InetAddress$2.lookupAllHostAddr(Unknown Source)
    at java.net.InetAddress.getAddressesFromNameService(Unknown Source)
    at java.net.InetAddress.getAllByName0(Unknown Source)
    at java.net.InetAddress.getAllByName(Unknown Source)
    at java.net.InetAddress.getAllByName(Unknown Source)
    at java.net.InetAddress.getByName(Unknown Source)
    at wd.d(SourceFile:153)
    at net.minecraft.server.MinecraftServer.run(SourceFile:628)
    at java.lang.Thread.run(Unknown Source)

[Vinyarion]

There isn't any server at the address `teheransana.minecraftserver.net`, apparently

[dadada]

server.properties