[horde] rDNS for lists.horde.org seem to be broken

[A. Schulze]

Hello,

over the last days the PTR for 138.208.46.200.in-addr.arpa. (  
lists.horde.org[200.46.208.138] )
could not be resolved ( here and via 8.8.8.8 )

please forward this to the list admins ...

Andreas