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No reports in the last 60 days
52.103.7.87 has been reported 28
times. The most recent report is from
.
The full history is preserved below and remains searchable. A
0% score reflects the absence of recent activity, but
this is not a guarantee that earlier reports were invalid. Abuse confidence score decays,
naturally, over time, when the abusive activity stops.
IP Abuse Reports for 52.103.7.87:
This IP address has been reported a total of
28
times from
12 distinct
sources.
52.103.7.87 was first reported on
, and the most recent report was
.
DMARC impersonation signal for domains=bla*****.net; src_ip=52.103.7.87; reasons=disposition=reject; ...
show moreDMARC impersonation signal for domains=bla*****.net; src_ip=52.103.7.87; reasons=disposition=reject; evidence_count=1; auth_examples=bla*****.net:dkim=fail spf=fail disp=reject reporter=yahoo date=2026-05-27
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2026-04-01 09:07:10,417 fail2ban.actions [862461]: NOTICE [plesk-postfix-rbl] Ban 52.103.7.8 ...
show more2026-04-01 09:07:10,417 fail2ban.actions [862461]: NOTICE [plesk-postfix-rbl] Ban 52.103.7.87
...
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2025-12-02T06:01:40.936573ls1.tom2.co.uk postfix/smtpd[7305]: NOQUEUE: reject: RCPT from mail-westce ...
show more2025-12-02T06:01:40.936573ls1.tom2.co.uk postfix/smtpd[7305]: NOQUEUE: reject: RCPT from mail-westcentralusazolkn19013087.outbound.protection.outlook.com[52.103.7.87]: 554 5.7.1 Service unavailable; Client host [52.103.7.87] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?52.103.7.87; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<CY3PR05CU001.outbound.protection.outlook.com>
...
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Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ...
show moreSpoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 4.
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From: <[email protected]>
Received: from CY3PR05CU001.outbound.protection.outlook.com (m ...
show moreFrom: <[email protected]>
Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazolkn19013087.outbound.protection.outlook.com [52.103.7.87]); Sun, 2 Nov 2025 04:43:51 -0500 (EST)
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Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ...
show moreSpoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 3.
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Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ...
show moreSpoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 2.
show less