diff --git a/ex/as212/as212.go b/ex/as212/as212.go
index 055914c3..be238a63 100644
--- a/ex/as212/as212.go
+++ b/ex/as212/as212.go
@@ -5,4 +5,40 @@
 // An AS212 blackhole DNS server. Similar to the one found in evldns.
 // Also see https://www.as112.net/
 
+package main
 
+import (
+	"github.com/miekg/dns"
+)
+
+const SOA string = "@ SOA prisoner.iana.org. hostmaster.root-servers.org. 2002040800 1800 900 0604800 604800"
+
+var zones = map[string]dns.RR{
+	"10.in-addr.arpa":      NewRR("$ORIGIN 10.in-addr.arpa.\n" + SOA),
+	"254.169.in-addr.arpa": NewRR("$ORIGIN 254.169.in-addr.arpa.\n" + SOA),
+	"168.192.in-addr.arpa": NewRR("$ORIGIN 168.192.in-addr.arpa.\n" + SOA),
+	"16.172.in-addr.arpa":  NewRR("$ORIGIN 16.172.in-addr.arpa.\n" + SOA),
+	"17.172.in-addr.arpa":  NewRR("$ORIGIN 17.172.in-addr.arpa.\n" + SOA),
+	"18.172.in-addr.arpa":  NewRR("$ORIGIN 18.172.in-addr.arpa.\n" + SOA),
+	"19.172.in-addr.arpa":  NewRR("$ORIGIN 19.172.in-addr.arpa.\n" + SOA),
+	"20.172.in-addr.arpa":  NewRR("$ORIGIN 20.172.in-addr.arpa.\n" + SOA),
+	"21.172.in-addr.arpa":  NewRR("$ORIGIN 21.172.in-addr.arpa.\n" + SOA),
+	"22.172.in-addr.arpa":  NewRR("$ORIGIN 22.172.in-addr.arpa.\n" + SOA),
+	"23.172.in-addr.arpa":  NewRR("$ORIGIN 23.172.in-addr.arpa.\n" + SOA),
+	"24.172.in-addr.arpa":  NewRR("$ORIGIN 24.172.in-addr.arpa.\n" + SOA),
+	"25.172.in-addr.arpa":  NewRR("$ORIGIN 25.172.in-addr.arpa.\n" + SOA),
+	"26.172.in-addr.arpa":  NewRR("$ORIGIN 26.172.in-addr.arpa.\n" + SOA),
+	"27.172.in-addr.arpa":  NewRR("$ORIGIN 27.172.in-addr.arpa.\n" + SOA),
+	"28.172.in-addr.arpa":  NewRR("$ORIGIN 28.172.in-addr.arpa.\n" + SOA),
+	"29.172.in-addr.arpa":  NewRR("$ORIGIN 29.172.in-addr.arpa.\n" + SOA),
+	"30.172.in-addr.arpa":  NewRR("$ORIGIN 30.172.in-addr.arpa.\n" + SOA),
+	"31.172.in-addr.arpa":  NewRR("$ORIGIN 31.172.in-addr.arpa.\n" + SOA),
+}
+
+func NewRR(s string) dns.RR {
+	r, _ := dns.NewRR(s)
+	return r
+}
+
+func as212Handler(w dns.ResponseWriter, r *dns.Msg) {}
+func main()                                         {}