57.131.21.207 is listed on the DataPlane SMTP data blacklist.
Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IP addresses that <br>have been identified as SMTP clients sending unsolicited DATA commands.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-11-13 15:10:00.757000
Was present on blacklist at:
2025-11-06 19:10,
2025-11-06 23:10,
2025-11-07 03:10,
2025-11-07 07:10,
2025-11-07 11:10,
2025-11-07 19:10,
2025-11-07 23:10,
2025-11-08 03:10,
2025-11-08 07:10,
2025-11-08 11:10,
2025-11-08 15:10,
2025-11-08 19:10,
2025-11-08 23:10,
2025-11-09 03:10,
2025-11-09 07:10,
2025-11-09 11:10,
2025-11-09 15:10,
2025-11-09 19:10,
2025-11-09 23:10,
2025-11-10 03:10,
2025-11-10 07:10,
2025-11-10 11:10,
2025-11-10 15:10,
2025-11-10 19:10,
2025-11-10 23:10,
2025-11-11 03:10,
2025-11-11 07:10,
2025-11-11 11:10,
2025-11-11 15:10,
2025-11-11 19:10,
2025-11-11 23:10,
2025-11-12 03:10,
2025-11-12 07:10,
2025-11-12 11:10,
2025-11-12 15:10,
2025-11-12 19:10,
2025-11-12 23:10,
2025-11-13 03:10,
2025-11-13 07:10,
2025-11-13 11:10,
2025-11-13 15:10
57.131.21.207 is listed on the Spamhaus SBL CSS blacklist.
Description: The Spamhaus CSS is part of the SBL. CSS listings will have return code 127.0.0.3 to differentiate from regular SBL listings, which have return code 127.0.0.2.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-11-13 19:10:11
Was present on blacklist at:
2025-11-06 19:10,
2025-11-13 19:10
