Does DH use Spamhaus?

I was wondering does DH use Spamhaus?
from :

The Spamhaus Block List (“SBL”) can be used by almost all modern mail servers, by setting your mail server’s anti-spam DNSBL feature (sometimes called “Blacklist DNS Servers” or “RBL servers”) to query

Exploits Block List

The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of illegal 3rd party exploits, including open proxies (HTTP, socks, AnalogX, wingate, etc), worms/viruses with built-in spam engines, and other types of trojan-horse exploits.

SBL+XBL|4|5|6 Combined zone to reduce queries. Includes both SBL and XBL zones