catch NXDOMAIN-related errors on OSX, too

Maybe time to move off of the stdlib dns library.  This error handling sucks.

1 files changed, 4 insertions, 1 deletions

diff --git a/main.go b/main.go
index af00591..ca024a9 100644
--- a/main.go
+++ b/main.go
@@ -45,7 +45,10 @@ func main() {
 }
 
 func printErr(ip net.IP, rrtype string, err error) {
-	if !strings.Contains(err.Error(), "no such host") {
+	// the error types here are awful and this feels like it might
+	// accidentally catch some non-NXDOMAIN errors
+	if !strings.HasSuffix(err.Error(), "no such host") &&
+		!strings.HasSuffix(err.Error(), "nodename nor servname provided, or not known") {
 		fmt.Fprintf(os.Stderr, "%s\t# %s error: %s\n", ip, rrtype, err)
 	}
 }