Implementation Status in lastest releases

Client/Server

Client - Stub 

Client - Recursive

Server - RecursiveServer - Auth
Software

ldns

(drill)

digit

getdns

BIND

(dig)

getdns*

UnboundBIND

Unbound

BINDNSDBIND
Connection reuse  

 

 WIPWIP     

Pipelining**

n/a 

 

T20152015T    
TCP fast open  

 

2015

(warning)

   2015  
Dedicated TLS   2015    2015  
DNS-over-TLS  WIP2015

WIP

   2015  
OOOP**n/a  

 

   TTTTT

KEY:

*    getdns uses libunbound in recursive mode
**  Pipelining and OOOP are not applicable for synchronous applications