diff --git a/bin/tests/system/ixfr/clean.sh b/bin/tests/system/ixfr/clean.sh
index d75c36e4eb..fe05b404de 100644
--- a/bin/tests/system/ixfr/clean.sh
+++ b/bin/tests/system/ixfr/clean.sh
@@ -9,6 +9,7 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
+rm -f stats.*
 rm -f ns1/myftp.db
 rm -f ns3/*.jnl ns3/mytest.db ns3/subtest.db
 rm -f ns4/*.jnl ns4/*.db
@@ -19,4 +20,4 @@ rm -f */ans.run
 rm -f dig.out dig.out1 dig.out2 dig.out3
 rm -f ns3/large.db
 rm -f ns*/named.lock
-rm -f ns*/managed-keys.bind*
+rm -f ns*/managed-keys.bind* ns*/*.mkeys
diff --git a/bin/tests/system/ixfr/ixfr-stats.good b/bin/tests/system/ixfr/ixfr-stats.good
new file mode 100644
index 0000000000..dd62e121d6
--- /dev/null
+++ b/bin/tests/system/ixfr/ixfr-stats.good
@@ -0,0 +1,3 @@
+messages=1
+records=6
+bytes=219
diff --git a/bin/tests/system/ixfr/tests.sh b/bin/tests/system/ixfr/tests.sh
index d023eef302..64d11a8529 100644
--- a/bin/tests/system/ixfr/tests.sh
+++ b/bin/tests/system/ixfr/tests.sh
@@ -307,5 +307,30 @@ if [ ${ret} != 0 ]; then
 	status=1;
 fi
 
+echo_i "checking whether dig calculates IXFR statistics correctly"
+ret=0
+$DIG $DIGOPTS +noedns +stat -b 10.53.0.4 @10.53.0.4 test. ixfr=2 > dig.out1
+get_dig_xfer_stats dig.out1 > stats.dig
+diff ixfr-stats.good stats.dig || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+# Note: in the next two tests, we use ns4 logs for checking both incoming and
+# outgoing transfer statistics as ns4 is both a secondary server (for ns3) and a
+# primary server (for dig queries from the previous test) for "test".
+echo_i "checking whether named calculates incoming IXFR statistics correctly"
+ret=0
+get_named_xfer_stats ns4/named.run 10.53.0.3 test "Transfer completed" > stats.incoming
+diff ixfr-stats.good stats.incoming || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+echo_i "checking whether named calculates outgoing IXFR statistics correctly"
+ret=0
+get_named_xfer_stats ns4/named.run 10.53.0.4 test "IXFR ended" > stats.outgoing
+diff ixfr-stats.good stats.outgoing || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
 echo_i "exit status: $status"
 [ $status -eq 0 ] || exit 1
diff --git a/util/copyrights b/util/copyrights
index 1881953c18..a9ac4f82a4 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -702,6 +702,7 @@
 ./bin/tests/system/integrity/tests.sh		SH	2017,2018,2019
 ./bin/tests/system/ixfr/ans2/startme		X	2011,2018,2019
 ./bin/tests/system/ixfr/clean.sh		SH	2001,2004,2007,2011,2012,2014,2015,2016,2018,2019
+./bin/tests/system/ixfr/ixfr-stats.good		X	2019
 ./bin/tests/system/ixfr/ns1/startme		X	2012,2013,2018,2019
 ./bin/tests/system/ixfr/prereq.sh		SH	2001,2004,2007,2012,2014,2016,2018,2019
 ./bin/tests/system/ixfr/setup.sh		SH	2001,2004,2007,2011,2012,2013,2014,2016,2018,2019