Update maint. log for experimental pdns recursor build

pages/01.home/maintenance-log/default.md

@@ -10,6 +10,16 @@ A log of changes to the burble.dn42 network.
 
 ## burble.dn42 Maintenance Log
 
+#### 24th March 2020
+
+fr-sbg1 (which hosts the europe region core DNS service) is currently testing a special pdns
+recursor build in order to try and fix [this issue](https://github.com/PowerDNS/pdns/issues/8106).
+
+The server is likely to be used for most recursive DNS lookups across Europe that use the
+new DNS anycast addresses, or my service directly. Please let me know immediately if you
+notice odd DNS behaviour.
+
+
 #### 26th January 2019
 
 This weekend has been a huge maintenance weekend for burble.dn42, with the following
@@ -28,7 +38,7 @@ updates taking place:
 Node renewals are now mostly sorted until November, which will be a nice break for my wallet.
 
 - The build of ca-bhs2 introduced a new disk layout for my core nodes, which is intended
-to provide more flexibility for new features. uk-lon3, which is a private storage
+to provide more flexibility for new features. uk-lon3, a private storage
 node, was also rebuilt for the new design.
 
 A bad decision around backups meant that I also had to re-create all the services on
@@ -39,7 +49,8 @@ At some future point, fr-sbg1 will follow and also change to the new layout.
   
 - The burble.dn42 is organised around a core network of servers in each region, the updates
 this weekend complete a series of changes to upgrade the core nodes that has been taking
-place since November 2019.
+place since November 2019. A lot of the recent work has been to update the services so they
+are on, or point to, the new core nodes.
 
 The core network looked like this prior to November 2019: