diff --git a/data/dns/catgirls.dn42 b/data/dns/catgirls.dn42
index b9cfdaaee..1c80537ef 100644
--- a/data/dns/catgirls.dn42
+++ b/data/dns/catgirls.dn42
@@ -4,5 +4,7 @@ tech-c:             C4TG1RL5-DN42
 mnt-by:             C4TG1RL5-MNT
 org:                ORG-C4TG1RL5
 nserver:            ns1.catgirls.dn42 172.23.196.62
-nserver:            ns1.catgirls.dn42 fd42:deca:fbad:ffff::1
+nserver:            ns1.catgirls.dn42 fd42:deca:fbad:f1:53::1
+nserver:            ns2.catgirls.dn42 172.23.196.43
+nserver:            ns2.catgirls.dn42 fd42:deca:fbad:f6:53::1
 source:             DN42
diff --git a/data/dns/servfail.dn42 b/data/dns/servfail.dn42
new file mode 100644
index 000000000..00ea6037c
--- /dev/null
+++ b/data/dns/servfail.dn42
@@ -0,0 +1,14 @@
+domain:             servfail.dn42
+admin-c:            C4TG1RL5-DN42
+tech-c:             C4TG1RL5-DN42
+mnt-by:             C4TG1RL5-MNT
+mnt-by:             SDOMI-MNT
+mnt-by:             THERESNOTIME-MNT
+mnt-by:             MERLINSCHOLZ-MNT
+nserver:            ns1.catgirls.dn42
+nserver:            ns2.catgirls.dn42
+nserver:            ns1.homecloud.dn42
+nserver:            kagami.0xff.dn42
+ds-rdata:           30245 15 2 e5c43d7d85e2a52b53dd57f79ef97ca525dcfe291fe306f22b5e872a08620452
+ds-rdata:           30245 15 4 666b345686e5537afb013dd1b06828c0685ecab8a4f1bac0b5b7b8a2ec61f58bebed5e9d3d610ea047ca6fcdd91a461a
+source:             DN42