From 318cdc3ce48adc3630479518443d36d62d2d00fb Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Thu, 14 Sep 2017 11:31:26 +0200
Subject: [PATCH] explicitly warn when no hostname can be gathered

---
 pdns/pdnsutil.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pdns/pdnsutil.cc b/pdns/pdnsutil.cc
index c3213712d..b7b48ce53 100644
--- a/pdns/pdnsutil.cc
+++ b/pdns/pdnsutil.cc
@@ -593,8 +593,10 @@ int checkZone(DNSSECKeeper &dk, UeberBackend &B, const DNSName& zone, const vect
         toCheck = DNSName(rr.content);
       }
 
-      if (!toCheck.empty() && !toCheck.isHostname()) {
-        cout<<"[Warning] "<<rr.qtype.getName()<<" record in zone '"<<zone<<"' has non-hostname content '"<<toCheck<<"'."<<endl;
+      if (toCheck.empty())
+        cout<<"[Warning] "<<rr.qtype.getName()<<" record in zone '"<<zone<<"': unable to extract hostname from content."<<endl;
+      else if(!toCheck.isHostname()) {
+        cout<<"[Warning] "<<rr.qtype.getName()<<" record in zone '"<<zone<<"' has non-hostname content '"<<toCheck.toString()<<"'."<<endl;
         numwarnings++;
       }
     }
-- 
2.40.0