dig9, no PTRs found:
====================================================
Report for: Mar 5 00:00:00 - Mar 5 14:12:52
smtpd_client_connection_rate_limit = 10
client_rate_time_unit = 1800
====================================================
Anvil Reject UknUsr Recvd IP Address Hostname
11 0 0 91 152.163.225.154
148 0 0 0 203.167.219.60
40 0 0 295 205.188.156.71
37 0 0 239 205.188.159.13
3 74 0 126 207.217.120.148
7 0 0 140 208.187.29.125
4 9 0 1 212.179.86.208
2 0 0 30 217.23.49.244
1 18 0 0 220.228.128.94
17 0 0 0 24.71.119.214
23 45 0 41 63.146.98.224
34 1 0 307 64.12.136.10
35 0 0 281 64.12.136.11
20 0 0 252 64.12.136.12
12 0 0 234 64.12.136.13
114 0 0 695 64.12.138.1
48 0 0 302 64.12.138.17
48 0 0 351 64.12.138.18
43 0 0 318 64.12.138.19
43 0 0 324 64.12.138.2
24 1 0 244 64.12.138.20
35 0 0 261 64.12.138.21
32 0 0 249 64.12.138.22
41 0 0 231 64.12.138.23
96 0 0 633 64.12.138.3
35 0 0 360 64.12.138.5
96 184 0 80 64.180.101.81
1 8 0 0 66.111.231.27
2 7 0 3 66.111.231.28
259 691 0 520 66.183.105.41
4 6 0 5 67.153.165.66
3 10 0 0 68.22.243.60
19 2 0 0 69.160.158.57
1 10 0 0 80.248.4.178
3 8 0 2 81.128.153.229
"Hostname" to be "PTR Hostname"
