diff --git a/src/network/kernel/qdnslookup_unix.cpp b/src/network/kernel/qdnslookup_unix.cpp
index 0e10e8f928..7eeb6538a2 100644
--- a/src/network/kernel/qdnslookup_unix.cpp
+++ b/src/network/kernel/qdnslookup_unix.cpp
@@ -218,6 +218,7 @@ void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestN
         }
         const quint16 type = (p[0] << 8) | p[1];
         p += 2; // RR type
+        const qint16 rrclass = (p[0] << 8) | p[1];
         p += 2; // RR class
         const quint32 ttl = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
         p += 4;
@@ -225,6 +226,8 @@ void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestN
         p += 2;
         if ((p - response) + size > responseLength)
             return;             // truncated
+        if (rrclass != C_IN)
+            continue;
 
         if (type == QDnsLookup::A) {
             if (size != 4) {