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212.6.174.143

Recent Activity

Abuse Confidence Score

14% Caution

81 reports

12 reporters · latest 1 day ago

ISP: Claranet Gmbh
Usage Type: Fixed Line ISP
ASN: AS8426
Hostname(s): mx-ca-143.xqueue.com
Domain Name: claranet.com
Country: 🇩🇪 Germany
City: Frankfurt am Main, Hesse

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

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Abuse Reports

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Total reports

81 from 12 distinct reporters

First reported

June 18th 2021

Most recent report

1 day ago

Last 60 days

Top reporter locations 🇨🇭 Switzerland 2 🇩🇪 Germany 2

Most common categories Email Spam 4 Phishing 2

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	2026-11-10 07:10:17 UTC · (1 day ago)	NOQUEUE - IP: 212.6.174.143 - Nov 10 08:10:17 plesk postfix/smtpd[3032779]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; https://[sit ... show more NOQUEUE - IP: 212.6.174.143 - Nov 10 08:10:17 plesk postfix/smtpd[3032779]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; https://[site]/reputation/?pr=1&ip=212.6.174.143; from=<bounce-dwemm2tzhttsdsr4tz6kzab74pocdl2mxf45p3phdmshqtqvsycq@next.nachrichten-erlebnis.de> to=<[customer]> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-11-01 17:30:20 UTC · (1 week ago)	NOQUEUE - IP: 212.6.174.143 - Nov 1 18:30:20 plesk postfix/smtpd[1155944]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; https://[site ... show more NOQUEUE - IP: 212.6.174.143 - Nov 1 18:30:20 plesk postfix/smtpd[1155944]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; https://[site]/reputation/?pr=1&ip=212.6.174.143; from=<bounce-ulzx7545u5ial3zisrzehnvuzjbg2bf4d7uwyknbckvoaqmfnlgq@heute.wirbel-sauber.de> to=<[customer]> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇩🇪 mxinfra	2026-10-30 14:40:02 UTC · (1 week ago)	Malicious email activity.	Phishing Email Spam
🇩🇪 mxinfra	2026-09-30 04:35:02 UTC · (1 month ago)	Malicious email activity.	Phishing Email Spam
🇩🇪 FD-IX	2026-07-21 10:02:47 UTC · (3 months ago)	SMTP connection rejected due to b.barracudacentral.org listing.	Email Spam
🇨🇭 Origon	2026-05-16 18:00:13 UTC · (5 months ago)	NOQUEUE - IP: 212.6.174.143 - May 16 20:00:12 plesk postfix/smtpd[3121121]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - May 16 20:00:12 plesk postfix/smtpd[3121121]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-2zjrbro3qftw4iozv2jopxgzravavgrl234bncff3vjiegpbavfq@dein.gesund-essen-leicht.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-05-12 07:06:17 UTC · (5 months ago)	NOQUEUE - IP: 212.6.174.143 - May 12 09:06:16 plesk postfix/smtpd[3954556]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - May 12 09:06:16 plesk postfix/smtpd[3954556]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-ua7xdnmthbn72zqvmxsrokp5xc7r5r3ui6xwqba@unser.traumurlaubsinsel.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-04-25 09:36:53 UTC · (6 months ago)	NOQUEUE - IP: 212.6.174.143 - Apr 25 11:36:53 plesk postfix/smtpd[3426234]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - Apr 25 11:36:53 plesk postfix/smtpd[3426234]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-hwzymk4sl35ttstvg7dtlvnsq2ypolwtembfibq@unser.traumurlaubsinsel.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-04-21 14:39:17 UTC · (6 months ago)	NOQUEUE - IP: 212.6.174.143 - Apr 21 16:39:17 plesk postfix/smtpd[486864]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.ba ... show more NOQUEUE - IP: 212.6.174.143 - Apr 21 16:39:17 plesk postfix/smtpd[486864]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-vgwhvltesbhcz45wxxta243i5r3xksb526qhuqi@unser.traumurlaubsinsel.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇩🇪 mxinfra	2026-04-19 13:45:01 UTC · (6 months ago)	Malicious email activity.	Phishing Email Spam
🇨🇭 Origon	2026-04-11 16:34:17 UTC · (7 months ago)	NOQUEUE - IP: 212.6.174.143 - Apr 11 18:34:17 plesk postfix/smtpd[2435290]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - Apr 11 18:34:17 plesk postfix/smtpd[2435290]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-2ei4u54whshfo6u7ggtdxw2yrnckoq3rkiivycq@heute.schnapper-freude.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-03-31 07:04:26 UTC · (7 months ago)	NOQUEUE - IP: 212.6.174.143 - Mar 31 09:04:26 plesk postfix/smtpd[257837]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.ba ... show more NOQUEUE - IP: 212.6.174.143 - Mar 31 09:04:26 plesk postfix/smtpd[257837]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-03-20 17:15:14 UTC · (7 months ago)	NOQUEUE - IP: 212.6.174.143 - Mar 20 18:15:14 plesk postfix/smtpd[1935117]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - Mar 20 18:15:14 plesk postfix/smtpd[1935117]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-4xwokhais4zzujrdt27hvft4wlwys6utd5hnvmq@heute.schnapper-freude.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇨🇭 Origon	2026-03-17 11:40:16 UTC · (7 months ago)	NOQUEUE - IP: 212.6.174.143 - Mar 17 12:40:16 plesk postfix/smtpd[3873899]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.b ... show more NOQUEUE - IP: 212.6.174.143 - Mar 17 12:40:16 plesk postfix/smtpd[3873899]: NOQUEUE: reject: RCPT from mx-ca-143.xqueue.com[212.6.174.143]: 554 5.7.1 Service unavailable; Client host [212.6.174.143] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=212.6.174.143; from=<bounce-xtbynx6hbyntpavuz4dghuhvmmidzpg5go5f7ya@heute.schnapper-freude.de> to=<REDACTED@REDACTED> proto=ESMTP helo=<mx-ca-143.xqueue.com> show less	Email Spam
🇩🇪 HauserM	2026-02-15 07:15:51 UTC · (8 months ago)	Email Subject: 'Gewinne warten â€“ hol dir dein Los ðŸŽ‰'	Email Spam

Showing 1 to 15 of 81 reports

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