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AbuseIPDB » 52.103.11.76

52.103.11.76 was found in our database!

This IP was reported 29 times. Confidence of Abuse is 15%: ?

15%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Hostname(s)	mail-eastusazolkn19012076.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Washington, Virginia

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Report 52.103.11.76

Whois 52.103.11.76

IP Abuse Reports for 52.103.11.76:

This IP address has been reported a total of 29 times from 10 distinct sources. 52.103.11.76 was first reported on September 29th 2025, and the most recent report was 1 week ago.

Old Reports: The most recent abuse report for this IP address is from 1 week ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 Waterside	2026-05-27 00:00:00 (1 week ago)	DMARC impersonation signal for domains=bla***.net; src_ip=52.103.11.76; reasons=disposition=reject ... show more DMARC impersonation signal for domains=bla*.net; src_ip=52.103.11.76; reasons=disposition=reject; evidence_count=1; auth_examples=bla***.net:dkim=fail spf=fail disp=reject reporter=yahoo date=2026-05-27 show less	Spoofing Email Spam
Anonymous	2026-05-04 09:28:35 (1 month ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
🇩🇪 Lino Project	2026-05-01 15:36:07 (1 month ago)	CrowdSec abuse IP report (host SRV-2) Scenario: crowdsecurity/postfix-relay-denied	Hacking
🇨🇦 mfb	2026-03-05 16:57:00 (2 months ago)	From: Driskoll Helvie <[email protected]>; Received: from BL0PR03CU003.outbound.protection.o ... show more From: Driskoll Helvie <[email protected]>; Received: from BL0PR03CU003.outbound.protection.outlook.com (mail-eastusazolkn19012076.outbound.protection.outlook.com [52.103.11.76]); Thu, 5 Mar 2026 11:28:26 -0500 (EST) show less	Email Spam
Anonymous	2026-02-11 11:32:00 (3 months ago)	E-mail spam at 2026-02-11 11:32 from [email protected] with score 10	Email Spam
🇨🇭 Origon	2026-01-05 13:24:58 (4 months ago)	NOQUEUE - IP: 52.103.11.76 - Jan 5 14:24:58 plesk postfix/smtpd[2995941]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 52.103.11.76 - Jan 5 14:24:58 plesk postfix/smtpd[2995941]: NOQUEUE: reject: RCPT from mail-eastusazolkn19012076.outbound.protection.outlook.com[52.103.11.76]: 450 4.1.8 <IMCEAEX-_o=First+20Organization_ou=Exchange+20Administrative+20Group+28FYDIBOHF23SPDLT+29_cn=Recipients_cn=0006400000A84AED@namprd07.prod.outlook.com>: Sender address rejected: Domain not found; from=<IMCEAEX-_o=First+20Organization_ou=Exchange+20Administrative+20Group+28FYDIBOHF23SPDLT+29_cn=Recipients_cn=0006400000A84AED@namprd07.prod.outlook.com> to=<REDACTED@REDACTED> proto=ESMTP helo=<BL0PR03CU003.outbound.protection.outlook.com> show less	Email Spam
🇨🇦 mfb	2025-12-12 20:01:00 (5 months ago)	From: Carmela Moekoniimi <[email protected]> Received: from BL0PR03CU003.outbound.protec ... show more From: Carmela Moekoniimi <[email protected]> Received: from BL0PR03CU003.outbound.protection.outlook.com (mail-eastusazolkn19012076.outbound.protection.outlook.com [52.103.11.76]); Fri, 12 Dec 2025 13:50:56 -0500 (EST) show less	Email Spam
🇺🇸 xmission.com	2025-11-17 14:24:43 (6 months ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 36.6. Latest msgid suffix: ...-0 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 36.6. Latest msgid suffix: ...-007LaX-CY show less	Email Spam
🇦🇷 lzambrana	2025-11-11 11:12:12 (6 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 1. show less	FTP Brute-Force Brute-Force
🇦🇷 lzambrana	2025-10-30 11:50:35 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 1. show less	FTP Brute-Force Brute-Force
🇦🇷 lzambrana	2025-10-30 10:52:42 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 2. show less	FTP Brute-Force Brute-Force
🇦🇷 lzambrana	2025-10-27 10:39:36 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 1. show less	FTP Brute-Force Brute-Force
🇨🇭 Origon	2025-10-26 16:08:09 (7 months ago)	Fail2Ban NOQUEUE - IP: 52.103.11.76 - Oct 26 17:08:08 plesk postfix/smtpd[4087403]: NOQUEUE: reject: ... show more Fail2Ban NOQUEUE - IP: 52.103.11.76 - Oct 26 17:08:08 plesk postfix/smtpd[4087403]: NOQUEUE: reject: RCPT from mail-eastusazolkn19012076.outbound.protection.outlook.com[52.103.11.76]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<BL0PR03CU003.outbound.protection.outlook.com> show less	Email Spam
🇦🇷 lzambrana	2025-10-24 10:33:28 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 1. show less	FTP Brute-Force Brute-Force
🇬🇧 Ged	2025-10-24 02:34:58 (7 months ago)	Spam.	Email Spam

Showing 1 to 15 of 29 reports

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