Below are the top 40 TLDs listed in SURBL (ranked by unique counts).
Numbers on the right are counts of the domains in the TLDs in the middle:

1: com 129451
2: cn 29832
3: top 16685
4: info 13909
5: live 13613
6: shop 12095
7: xyz 10236
8: click 9713
9: link 7764
10: net 7643
11: me 6965
12: co 5539
n/a: (page.link) 4049
n/a: (firebaseapp.com) 3136
13: beauty 3011
14: icu 2891
15: us 2886
16: ru 2876
17: org 2830
n/a: (blogspot.com) 2787
18: in 2756
19: tk 2397
20: app 2226
21: jp 2057
22: biz 1953
23: de 1903
24: monster 1842
n/a: (web.app) 1794
25: life 1754
26: fr 1710
n/a: (weebly.com) 1448
27: ml 1425
n/a: (repl.co) 1302
28: cfd 1260
29: ga 1255
30: io 1251
31: site 1244
32: uk 1241
33: tokyo 1197
34: cc 1175
35: br 1111
36: id 1108
n/a: (appspot.com) 1092
n/a: (com.cn) 1086
n/a: (glitch.me) 1073
n/a: (com.br) 1060
n/a: (ru.com) 1046
37: club 1009
38: cf 980
39: dev 947
n/a: (square.site) 938
n/a: (co.uk) 879
40: rest 864

Full list at https://www.surbl.org/static/tld-abuse-complete-rankings.txt

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

1. bit.ly
2. tinyurl.com
3. is.gd
4. rebrand.ly
5. t.co
6. cutt.ly
7. bit.do
8. clck.ru
9. s.id
10. lnkd.in

The total domains in each of the SURBL datasets:
 
SURBL ABUSE: 293736 - SURBL CRACKED: 650
SURBL MALWARE: 4511 - SURBL PHISH: 56211
 
SURBL FRESH is a subscriber only dataset not publicly available
The total listed domains in the SURBL FRESH dataset: 10262121

Last update: Fri Feb  3 11:54:12 UTC 2023 (updated every hour)