I also get these intermittently, usually on launch of our app. I just saw this on my dev device. I originally just attributed these to spotty internet when I see it in the wild, but I just saw this in my house on stable wifi, and the apps map loaded fine while backendless failed to connect.
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: java.net.UnknownHostException: Unable to resolve host “dinnerdeal.backendless.com”: No address associated with hostname
11-03 23:52:32.581 29518-29591/dinnerdeal.androiddev.customer W/CrashlyticsCore: Received null settings, skipping initialization!
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:125)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:74)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at java.net.InetAddress.getAllByName(InetAddress.java:752)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.Dns$1.lookup(Dns.java:39)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:173)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.RouteSelector.nextProxy(RouteSelector.java:139)
11-03 23:52:32.581 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.RouteSelector.next(RouteSelector.java:81)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.StreamAllocation.findConnection(StreamAllocation.java:172)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:123)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.StreamAllocation.newStream(StreamAllocation.java:93)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.HttpEngine.connect(HttpEngine.java:296)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.internal.http.HttpEngine.sendRequest(HttpEngine.java:248)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.RealCall.getResponse(RealCall.java:243)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.RealCall$ApplicationInterceptorChain.proceed(RealCall.java:201)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:163)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at okhttp3.RealCall.execute(RealCall.java:57)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at dinnerdeal.android.customer.MyApp$1.run(MyApp.java:99)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: Caused by: android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at libcore.io.Posix.android_getaddrinfo(Native Method)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:55)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: at java.net.Inet6AddressImpl.lookupHostByName(Inet6AddressImpl.java:106)
11-03 23:52:32.582 29518-29610/dinnerdeal.androiddev.customer W/System.err: … 16 more