AbuseIPDB » 113.31.109.53

113.31.109.53 was found in our database!

This IP was reported 78 times. Confidence of Abuse is 22%: ?

22%

ISP	Shanghai UCloud Information Technology Company Limited
Usage Type	Data Center/Web Hosting/Transit
Domain Name	ucloud.cn
Country	China
City	Shanghai, Shanghai

IP info including ISP, Usage Type, and Location provided by IP2Location. Updated monthly.

Report 113.31.109.53

Whois 113.31.109.53

IP Abuse Reports for 113.31.109.53:

This IP address has been reported a total of 78 times from 11 distinct sources. 113.31.109.53 was first reported on December 18th 2020, and the most recent report was 3 weeks ago.

Old Reports: The most recent abuse report for this IP address is from 3 weeks ago. It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp in UTC	Comment	Categories
unhfree.net	2024-08-20 00:39:23 (3 weeks ago)	Aug 20 01:58:47 canopus postfix/smtpd[900942]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 45 ... show moreAug 20 01:58:47 canopus postfix/smtpd[900942]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [113.31.109.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<server1.knfhr.icu> Aug 20 02:08:47 canopus postfix/smtpd[900810]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [113.31.109.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<server1.knfhr.icu> Aug 20 02:19:19 canopus postfix/smtpd[902196]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [113.31.109.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<server1.knfhr.icu> Aug 20 02:29:20 canopus postfix/smtpd[903894]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [113.31.109.53]; from=<stella@ji ... show less	Brute-Force Exploited Host
hbrks	2024-08-19 09:45:13 (3 weeks ago)	Transcript of session follows. Out: 220 mail.p4u.xyz ESMTP Postfix In: EHLO server1.knfhr.icu Out: ... show moreTranscript of session follows. Out: 220 mail.p4u.xyz ESMTP Postfix In: EHLO server1.knfhr.icu Out: 250-mail.p4u.xyz Out: 250-PIPELINING Out: 250-SIZE 502400000 Out: 250-ETRN Out: 250-STARTTLS Out: 250-ENHANCEDSTATUSCODES Out: 250-8BITMIME Out: 250-DSN Out: 250 CHUNKING In: MAIL FROM:<[email protected]> BODY=8BITMIME Out: 250 2.1.0 Ok In: RCPT TO:<[email protected]> Out: 550 5.7.1 <server1.knfhr.icu>: Helo command rejected: Host not found In: QUIT Out: 221 2.0.0 ByeFor other details, see the local mail logfile show less	Email Spam Hacking Brute-Force
taivas.nl	2024-08-18 03:30:02 (3 weeks ago)	Spam_report	Email Spam
Anonymous	2024-08-15 17:42:05 (3 weeks ago)	2024-08-15T19:18:12.751004 postfix/smtpd[127825]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T19:18:12.751004 postfix/smtpd[127825]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T19:31:51.457702 postfix/smtpd[131530]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T19:42:04.515492 postfix/smtpd[132778]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 16:33:11 (3 weeks ago)	2024-08-15T18:13:04.596563 postfix/smtpd[105378]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T18:13:04.596563 postfix/smtpd[105378]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T18:23:07.415089 postfix/smtpd[109784]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T18:33:10.348339 postfix/smtpd[113888]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 15:43:02 (3 weeks ago)	2024-08-15T17:22:56.945215 postfix/smtpd[92412]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T17:22:56.945215 postfix/smtpd[92412]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T17:32:59.566353 postfix/smtpd[96230]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T17:43:01.196818 postfix/smtpd[99340]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 14:52:52 (3 weeks ago)	2024-08-15T16:32:36.741655 postfix/smtpd[77531]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T16:32:36.741655 postfix/smtpd[77531]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T16:42:39.113227 postfix/smtpd[80841]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T16:52:50.830735 postfix/smtpd[85215]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 14:01:23 (3 weeks ago)	2024-08-15T15:40:44.035869 postfix/smtpd[61087]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T15:40:44.035869 postfix/smtpd[61087]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T15:51:15.673975 postfix/smtpd[65371]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T16:01:21.412935 postfix/smtpd[66894]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 13:10:43 (3 weeks ago)	2024-08-15T14:50:34.798557 postfix/smtpd[48308]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T14:50:34.798557 postfix/smtpd[48308]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T15:00:39.956936 postfix/smtpd[51283]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T15:10:41.835620 postfix/smtpd[54024]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 12:20:04 (3 weeks ago)	2024-08-15T13:59:58.802178 postfix/smtpd[31553]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T13:59:58.802178 postfix/smtpd[31553]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T14:10:00.764500 postfix/smtpd[37001]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T14:20:02.850249 postfix/smtpd[36914]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 11:15:02 (3 weeks ago)	2024-08-15T12:54:57.566075 postfix/smtpd[14263]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: ... show more2024-08-15T12:54:57.566075 postfix/smtpd[14263]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T13:04:59.296410 postfix/smtpd[17073]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T13:15:01.598551 postfix/smtpd[17066]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 06:40:29 (3 weeks ago)	2024-08-15T08:19:53.082421 postfix/smtpd[2890623]: NOQUEUE: reject: RCPT from unknown[113.31.109.53] ... show more2024-08-15T08:19:53.082421 postfix/smtpd[2890623]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T08:30:26.594019 postfix/smtpd[2894492]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T08:40:28.238533 postfix/smtpd[2896096]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 05:49:51 (3 weeks ago)	2024-08-15T07:29:44.312028 postfix/smtpd[2839167]: NOQUEUE: reject: RCPT from unknown[113.31.109.53] ... show more2024-08-15T07:29:44.312028 postfix/smtpd[2839167]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T07:39:47.349599 postfix/smtpd[2878826]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T07:49:49.927658 postfix/smtpd[2882016]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 04:59:40 (3 weeks ago)	2024-08-15T06:39:34.726874 postfix/smtpd[2826450]: NOQUEUE: reject: RCPT from unknown[113.31.109.53] ... show more2024-08-15T06:39:34.726874 postfix/smtpd[2826450]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T06:49:37.639171 postfix/smtpd[2829302]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T06:59:39.369479 postfix/smtpd[2832186]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam
Anonymous	2024-08-15 04:09:31 (3 weeks ago)	2024-08-15T05:49:26.669139 postfix/smtpd[2812370]: NOQUEUE: reject: RCPT from unknown[113.31.109.53] ... show more2024-08-15T05:49:26.669139 postfix/smtpd[2812370]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T05:59:27.749275 postfix/smtpd[2815211]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> 2024-08-15T06:09:30.666485 postfix/smtpd[2817651]: NOQUEUE: reject: RCPT from unknown[113.31.109.53]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [113.31.109.53]; proto=ESMTP helo=<server1.knfhr.icu> show less	Email Spam