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51.124.183.90

Recent Activity

Abuse Confidence Score

4% Caution

8 reports

1 reporter · latest 3 days ago

ISP: Microsoft Limited
Usage Type: Data Center/Web Hosting/Transit
ASN: AS8075
Hostname(s): r90.email.aida.de
Domain Name: microsoft.com
Country: 🇳🇱 Netherlands
City: Amsterdam, North Holland

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

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Abuse Reports

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Total reports

8 from 1 distinct reporter

First reported

March 29th 2026

Most recent report

3 days ago

Last 60 days

Top reporter locations 🇨🇭 Switzerland 7

Most common categories Email Spam 7

Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Origon	2026-11-08 07:16:14 UTC · (3 days ago)	NOQUEUE - IP: 51.124.183.90 - Nov 8 08:16:13 plesk postfix/smtpd[4100271]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; fro ... show more NOQUEUE - IP: 51.124.183.90 - Nov 8 08:16:13 plesk postfix/smtpd[4100271]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-11-04 11:30:36 UTC · (1 week ago)	NOQUEUE - IP: 51.124.183.90 - Nov 4 12:30:36 plesk postfix/smtpd[2023557]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; fro ... show more NOQUEUE - IP: 51.124.183.90 - Nov 4 12:30:36 plesk postfix/smtpd[2023557]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-11-02 12:28:47 UTC · (1 week ago)	NOQUEUE - IP: 51.124.183.90 - Nov 2 13:28:47 plesk postfix/smtpd[2552272]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; fro ... show more NOQUEUE - IP: 51.124.183.90 - Nov 2 13:28:47 plesk postfix/smtpd[2552272]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-10-29 11:13:25 UTC · (1 week ago)	NOQUEUE - IP: 51.124.183.90 - Oct 29 12:13:25 plesk postfix/smtpd[403284]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; fro ... show more NOQUEUE - IP: 51.124.183.90 - Oct 29 12:13:25 plesk postfix/smtpd[403284]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See https://[site]/rbl; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-10-23 13:08:13 UTC · (2 weeks ago)	NOQUEUE - IP: 51.124.183.90 - Oct 23 15:08:13 plesk postfix/smtpd[1965665]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; fr ... show more NOQUEUE - IP: 51.124.183.90 - Oct 23 15:08:13 plesk postfix/smtpd[1965665]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-10-01 11:32:20 UTC · (1 month ago)	NOQUEUE - IP: 51.124.183.90 - Oct 1 13:32:20 plesk postfix/smtpd[2183555]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; fro ... show more NOQUEUE - IP: 51.124.183.90 - Oct 1 13:32:20 plesk postfix/smtpd[2183555]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-09-24 10:59:12 UTC · (1 month ago)	NOQUEUE - IP: 51.124.183.90 - Sep 24 12:59:11 plesk postfix/smtpd[3455528]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; fr ... show more NOQUEUE - IP: 51.124.183.90 - Sep 24 12:59:11 plesk postfix/smtpd[3455528]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using all.s5h.net; See http://s5h.net/rbl; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam
🇨🇭 Origon	2026-03-29 06:20:16 UTC · (7 months ago)	NOQUEUE - IP: 51.124.183.90 - Mar 29 08:20:16 plesk postfix/smtpd[624847]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using dnsbl-1.uceprotect.net; IP 51.124.183.90 ... show more NOQUEUE - IP: 51.124.183.90 - Mar 29 08:20:16 plesk postfix/smtpd[624847]: NOQUEUE: reject: RCPT from r90.email.aida.de[51.124.183.90]: 554 5.7.1 Service unavailable; Client host [51.124.183.90] blocked using dnsbl-1.uceprotect.net; IP 51.124.183.90 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=51.124.183.90; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<r90.email.aida.de> show less	Email Spam

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