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159.183.109.26

Recent Activity

Abuse Confidence Score

4% Caution

7 reports

1 reporter · latest 1 day ago

ISP: Twilio SendGrid
Usage Type: Data Center/Web Hosting/Transit
ASN: AS11377
Hostname(s): wfbtsdkx.outbound-mail.sendgrid.net
Domain Name: twilio.com
Country: 🇺🇸 United States of America
City: Chicago, Illinois

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

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Abuse Reports

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Total reports

7 from 1 distinct reporter

First reported

December 24th 2025

Most recent report

1 day ago

Last 60 days

Top reporter locations 🇨🇭 Switzerland 2

Most common categories Email Spam 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	2026-11-12 18:33:51 UTC · (1 day ago)	NOQUEUE - IP: 159.183.109.26 - Nov 12 19:33:51 plesk postfix/smtpd[3310654]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect ... show more NOQUEUE - IP: 159.183.109.26 - Nov 12 19:33:51 plesk postfix/smtpd[3310654]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect.net; Net 159.183.64.0/18 is UCEPROTECT-Level2 listed because 46 impacts are seen from SENDGRID, US/AS11377 there. See: https://[site]/rblcheck.php?ipr=159.183.109.26; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2026-11-09 17:21:58 UTC · (4 days ago)	NOQUEUE - IP: 159.183.109.26 - Nov 9 18:21:58 plesk postfix/smtpd[1987471]: NOQUEUE: reject_warning: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uce ... show more NOQUEUE - IP: 159.183.109.26 - Nov 9 18:21:58 plesk postfix/smtpd[1987471]: NOQUEUE: reject_warning: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect.net; Your ISP SENDGRID, US/AS11377 is UCEPROTECT-Level3 listed because of a spamscore of 85.9. See: https://[site]/rblcheck.php?ipr=159.183.109.26; from=<[email protected]> to=<[customer]> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2026-08-29 13:28:03 UTC · (2 months ago)	NOQUEUE - IP: 159.183.109.26 - Aug 29 15:28:03 plesk postfix/smtpd[1417810]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect ... show more NOQUEUE - IP: 159.183.109.26 - Aug 29 15:28:03 plesk postfix/smtpd[1417810]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect.net; Your ISP SENDGRID, US/AS11377 is UCEPROTECT-Level3 listed because of a spamscore of 65.2. See: http://www.uceprotect.net/rblcheck.php?ipr=159.183.109.26; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2026-07-17 17:29:37 UTC · (3 months ago)	NOQUEUE - IP: 159.183.109.26 - Jul 17 19:29:37 plesk postfix/smtpd[2409309]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect ... show more NOQUEUE - IP: 159.183.109.26 - Jul 17 19:29:37 plesk postfix/smtpd[2409309]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect.net; Net 159.183.64.0/18 is UCEPROTECT-Level2 listed because 48 impacts are seen from SENDGRID, US/AS11377 there. See: http://www.uceprotect.net/rblcheck.php?ipr=159.183.109.26; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2026-07-06 18:37:27 UTC · (4 months ago)	NOQUEUE - IP: 159.183.109.26 - Jul 6 20:37:27 plesk postfix/smtpd[1315984]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect. ... show more NOQUEUE - IP: 159.183.109.26 - Jul 6 20:37:27 plesk postfix/smtpd[1315984]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect.net; Your ISP SENDGRID, US/AS11377 is UCEPROTECT-Level3 listed because of a spamscore of 70.9. See: http://www.uceprotect.net/rblcheck.php?ipr=159.183.109.26; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2026-01-01 14:29:55 UTC · (10 months ago)	NOQUEUE - IP: 159.183.109.26 - Jan 1 15:29:55 plesk postfix/smtpd[4175015]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect. ... show more NOQUEUE - IP: 159.183.109.26 - Jan 1 15:29:55 plesk postfix/smtpd[4175015]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-2.uceprotect.net; Net 159.183.64.0/18 is UCEPROTECT-Level2 listed because 273 impacts are seen from SENDGRID, US/AS11377 there. See: http://www.uceprotect.net/rblcheck.php?ipr=159.183.109.26; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam
🇨🇭 Origon	2025-12-24 17:53:04 UTC · (10 months ago)	NOQUEUE - IP: 159.183.109.26 - Dec 24 18:53:03 plesk postfix/smtpd[376257]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect. ... show more NOQUEUE - IP: 159.183.109.26 - Dec 24 18:53:03 plesk postfix/smtpd[376257]: NOQUEUE: reject: RCPT from wfbtsdkx.outbound-mail.sendgrid.net[159.183.109.26]: 554 5.7.1 Service unavailable; Client host [159.183.109.26] blocked using dnsbl-3.uceprotect.net; Your ISP SENDGRID, US/AS11377 is UCEPROTECT-Level3 listed because of a spamscore of 97.1. See: http://www.uceprotect.net/rblcheck.php?ipr=159.183.109.26; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<wfbtsdkx.outbound-mail.sendgrid.net> show less	Email Spam

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