diff --git a/user/pages/01.home/dns/default.md b/user/pages/01.home/dns/default.md
index 5047b98..90f22dd 100755
--- a/user/pages/01.home/dns/default.md
+++ b/user/pages/01.home/dns/default.md
@@ -10,7 +10,7 @@ burble.dn42 DNS services
 
 # DNS Services
 
-burble.dn42 DNS services are anycast across every node to provide fast, local responses network wide
+burble.dn42 DNS services are anycast across every node to provide fast, local responses network wide.
 
 ## Authoritative DNS Service
 
@@ -34,6 +34,7 @@ Forwarding is provided by the recursive service, dns.burble.dn42.*
 * .dn42
 * .recursive-servers.dn42
 * .delegation-servers.dn42
+* .registry-sync.dn42
 * d.f.ip6.arpa.
 * 20.172.in-addr.arpa.
 * 21.172.in-addr.arpa.
@@ -61,7 +62,11 @@ The root zone also includes stubs for resolving domains in networks associated t
 | dns.burble.dn42<br/>b.recursive-servers.dn42| 172.20.129.2<br/>fd42:4242:2601:ac53::53 |
 <br/>
 dns.burble.dn42 is a caching, recursive DNS service for DN42 related zones using
-the burble.dn42 authoritative service as a local root zone.  
+the burble.dn42 authoritative service as a local root zone. By issuing parallel queries
+across five regional masters, the recursive service takes advantage of the burble.dn42 global
+scale to reduce latency and avoid local connectivity problems.
+
+
 The recursor is DNSSEC enabled and validates all queries.
 
 #### Using the recursive DNS service
@@ -111,13 +116,21 @@ nameserver 172.20.20.65
 ## Implementation
 
 The DNS service is implemented as a tiered, anycast service with each node
-in the network providing a local cache in front of regional, master nodes.
+in the network providing a local cache in front of five, regional, master nodes.
 
 #### Edge Nodes
 
-Each node in the network runs [dnsdist](https://dnsdist.org/), which forwards
-queries to regional master nodes and then caches the responses to provide
-a fast, local access to DNS data.
+The ns1.burble.dn42 authoritative service is provided by [dnsdist](https://dnsdist.org/).
+Queries are forwarded to the nearest regional master node and responses are then cached.
+If the regional master is not available, the next nearest will be queried until a response is found.
+
+The dns.burble.dn42 recursive service is provided by [dnsmasq](http://www.thekelleys.org.uk/dnsmasq/doc.html)
+configured using the 'all-servers' mode. Queries are forwarded to all 5 regional masters in parallel
+and the first response received is then returned. This approach ensures users get the lowest latency
+results possible, regardless of location, and that any local connectivity issues do not impact the results.
+
+Recursive queries are cached on the edge nodes and master nodes, creating a network wide cache
+of results across all users of the service. 
 
 Anycast routes to the DNS servers are advertised to the main Bird2 instance using
 [GoBGP](https://github.com/osrg/gobgp) and a health checking script.