Below are the top 20 TLDs listed in SURBL (unique counts).
Numbers on the left are counts of the domains in the TLDs on the right:

189941 com
134854 us
101402 biz
100811 men
67277 work
36639 info
35463 net
33249 gdn
25644 ml
25413 org
24044 ga
24035 site
23167 stream
22327 gq
22280 cf
21690 tk
20823 top
19650 review
17686 trade
15687 faith

Below are the top 10 of abused redirectors (to our knowledge):

1.	bit.ly
2.	bit.do
3.	ow.ly
4.	goo.gl
5.	x.co
6.	rebrand.ly
7.	tinyurl.com
8.	t.co
9.	is.gd
10.	ht.ly

Last update: Thu Jan 17 22:00:09 UTC 2019 (updated every hour)