pyrocufflink-dns: Add IPv6 reverse DNS zones

These IPv6 reverse DNS zones are managed by the Samba AD DCs for the
*pyrocufflink.blue* domain. These zones correspond to the IPv6 prefixes
used by the "blue" network.

group_vars/pyrocufflink-dns.yml

@@ -51,6 +51,18 @@ named_zones:
   forwarders:
   - 172.31.0.4
   - 172.31.0.10
+- zone: e.1.a.d.d.c.c.3.0.0.0.6.5.0.6.2.ip6.arpa
+  type: forward
+  forward: only
+  forwarders:
+  - 2605:6000:3ccd:da1e::10:1
+  - 2605:6000:3ccd:da1e::9:1
+- zone: e.1.e.f.8.2.5.6.7.d.c.8.9.9.d.f.ip6.arpa
+  type: forward
+  forward: only
+  forwarders:
+  - fd99:8cd7:6528:fe4c::10:1
+  - fd99:8cd7:6528:fe4c::9:1
 
 named_keys:
 - name: dhcp-ddns