diff --git a/bin/tests/system/serve-stale/ans2/ans.pl b/bin/tests/system/serve-stale/ans2/ans.pl
index a87ebfe099..bb2f2f3f2b 100644
--- a/bin/tests/system/serve-stale/ans2/ans.pl
+++ b/bin/tests/system/serve-stale/ans2/ans.pl
@@ -45,10 +45,10 @@ my $A = "ns.example 300 IN A $localaddr";
 #
 # Records to be TTL stretched
 #
-my $TXT = "data.example 1 IN TXT \"A text record with a 1 second ttl\"";
+my $TXT = "data.example 2 IN TXT \"A text record with a 2 second ttl\"";
 my $LONGTXT = "longttl.example 600 IN TXT \"A text record with a 600 second ttl\"";
-my $CAA = "othertype.example 1 IN CAA 0 issue \"ca1.example.net\"";
-my $negSOA = "example 1 IN SOA . . 0 0 0 0 300";
+my $CAA = "othertype.example 2 IN CAA 0 issue \"ca1.example.net\"";
+my $negSOA = "example 2 IN SOA . . 0 0 0 0 300";
 
 sub reply_handler {
     my ($qname, $qclass, $qtype) = @_;
diff --git a/bin/tests/system/serve-stale/tests.sh b/bin/tests/system/serve-stale/tests.sh
index b0cfd93e9b..dca08681ba 100755
--- a/bin/tests/system/serve-stale/tests.sh
+++ b/bin/tests/system/serve-stale/tests.sh
@@ -108,7 +108,7 @@ grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "check 'rndc serve-stale status' ($n)"
@@ -124,13 +124,13 @@ ret=0
 $DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 # Run rndc dumpdb, test whether the stale data has correct comment printed.
 # The max-stale-ttl is 3600 seconds, so the comment should say the data is
 # stale for somewhere between 3500-3599 seconds.
 rndc_dumpdb ns1 || ret=1
 awk '/; stale/ { x=$0; getline; print x, $0}' ns1/named_dump.db.test$n |
-    grep "; stale (will be retained for 35.. more seconds) data\.example.*A text record with a 1 second ttl" > /dev/null 2>&1 || ret=1
+    grep "; stale (will be retained for 35.. more seconds) data\.example.*A text record with a 2 second ttl" > /dev/null 2>&1 || ret=1
 # Also make sure the not expired data does not have a stale comment.
 awk '/; answer/ { x=$0; getline; print x, $0}' ns1/named_dump.db.test$n |
     grep "; answer longttl\.example.*A text record with a 600 second ttl" > /dev/null 2>&1 || ret=1
@@ -256,7 +256,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -358,7 +358,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -420,7 +420,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -525,7 +525,7 @@ grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "prime cache longttl.example (low max-stale-ttl) ($n)"
@@ -598,7 +598,7 @@ grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "check stale data.example (low max-stale-ttl) ($n)"
@@ -606,7 +606,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*3.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -660,7 +660,7 @@ grep "1 #NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
 status=`expr $status + $ret`
 if [ $ret != 0 ]; then echo_i "failed"; fi
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "check ancient data.example (low max-stale-ttl) ($n)"
@@ -727,7 +727,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -737,7 +737,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "othertype\.example\..*1.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -747,7 +747,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
-grep "example\..*1.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -757,7 +757,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.3 nxdomain.example TXT > dig.out.test$n
 grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
-grep "example\..*1.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -787,7 +787,7 @@ grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "check 'rndc serve-stale status' ($n)"
@@ -874,7 +874,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*1.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -937,7 +937,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.4 data.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -947,7 +947,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.4 othertype.example CAA > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
-grep "othertype\.example\..*1.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -957,7 +957,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.4 nodata.example TXT > dig.out.test$n
 grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
-grep "example\..*1.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -967,7 +967,7 @@ ret=0
 $DIG -p ${PORT} @10.53.0.4 nxdomain.example TXT > dig.out.test$n
 grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
 grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
-grep "example\..*1.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
@@ -997,7 +997,7 @@ grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=`expr $status + $ret`
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "check 'rndc serve-stale status' ($n)"
@@ -1099,7 +1099,7 @@ status=`expr $status + $ret`
 echo_i "start ns4"
 $PERL $SYSTEMTESTTOP/start.pl --noclean --restart --port ${PORT} serve-stale ns4
 
-sleep 1
+sleep 2
 
 n=`expr $n + 1`
 echo_i "verify ancient cache statistics (serve-stale disabled) ($n)"