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        ; <<>> DiG 9.10.3-P4-Ubuntu <<>> 211.252.81.12
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32045
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;211.252.81.12.			IN	A
;; AUTHORITY SECTION:
.			335	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021800 1800 900 604800 86400
;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 01:27:06 CST 2022
;; MSG SIZE  rcvd: 106
        Host 12.81.252.211.in-addr.arpa. not found: 3(NXDOMAIN)
        Server:		183.60.83.19
Address:	183.60.83.19#53
** server can't find 12.81.252.211.in-addr.arpa: NXDOMAIN
        | IP | Type | Details | Datetime | 
|---|---|---|---|
| 38.29.180.253 | attack | Port Scan: UDP/137  | 
                    2019-09-20 21:06:30 | 
| 66.79.165.61 | attackspam | firewall-block, port(s): 445/tcp  | 
                    2019-09-20 21:00:45 | 
| 156.206.87.56 | attackbotsspam | Port Scan: TCP/23  | 
                    2019-09-20 20:46:37 | 
| 123.9.33.249 | attackbots | Port Scan: TCP/23  | 
                    2019-09-20 21:23:18 | 
| 193.252.2.112 | attackbotsspam | Port Scan: TCP/445  | 
                    2019-09-20 20:40:32 | 
| 115.230.71.168 | attack | Port Scan: TCP/80  | 
                    2019-09-20 20:49:41 | 
| 122.154.46.4 | attackbots | Sep 20 13:17:43 localhost sshd\[31894\]: Invalid user library1 from 122.154.46.4 port 53060 Sep 20 13:17:43 localhost sshd\[31894\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.154.46.4 Sep 20 13:17:45 localhost sshd\[31894\]: Failed password for invalid user library1 from 122.154.46.4 port 53060 ssh2 Sep 20 13:22:13 localhost sshd\[32011\]: Invalid user nexus from 122.154.46.4 port 37884 Sep 20 13:22:13 localhost sshd\[32011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.154.46.4 ...  | 
                    2019-09-20 21:23:52 | 
| 114.24.4.74 | attack | Port Scan: TCP/23  | 
                    2019-09-20 20:50:59 | 
| 63.142.57.106 | attackbotsspam | Port Scan: UDP/137  | 
                    2019-09-20 21:02:59 | 
| 158.69.59.90 | attackbots | Port Scan: TCP/587  | 
                    2019-09-20 20:46:14 | 
| 196.52.43.59 | attackspam | Port scan attempt detected by AWS-CCS, CTS, India  | 
                    2019-09-20 20:39:49 | 
| 62.151.179.237 | attackbots | Port Scan: TCP/445  | 
                    2019-09-20 21:03:33 | 
| 201.217.249.212 | attackspambots | Port Scan: TCP/8080  | 
                    2019-09-20 21:14:40 | 
| 183.151.37.226 | attackbots | Port Scan: TCP/21  | 
                    2019-09-20 20:41:46 | 
| 119.99.240.248 | attackspambots | Port Scan: TCP/23  | 
                    2019-09-20 21:24:26 |