DataPlane SMTP greeting
66.228.43.21 is listed on the DataPlane SMTP greeting blacklist.
Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs that are<br>identified as SMTP clients issuing unsolicited HELO or EHLO commands.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-04-19 02:10:05.816000
Was present on blacklist at:
2025-03-23 19:10,
2025-03-23 23:10,
2025-03-24 03:10,
2025-03-24 07:10,
2025-03-24 11:10,
2025-03-24 15:10,
2025-03-24 19:10,
2025-03-24 23:10,
2025-03-25 03:10,
2025-03-25 07:10,
2025-03-25 11:10,
2025-03-25 15:10,
2025-03-25 19:10,
2025-03-25 23:10,
2025-03-26 03:10,
2025-03-26 07:10,
2025-03-26 11:10,
2025-03-26 15:10,
2025-03-26 19:10,
2025-03-26 23:10,
2025-03-27 03:10,
2025-03-27 07:10,
2025-03-27 11:10,
2025-03-27 15:10,
2025-03-27 19:10,
2025-03-27 23:10,
2025-03-28 03:10,
2025-03-28 07:10,
2025-03-28 11:10,
2025-03-28 15:10,
2025-03-28 19:10,
2025-03-28 23:10,
2025-03-29 03:10,
2025-03-29 07:10,
2025-03-29 11:10,
2025-03-29 15:10,
2025-03-29 19:10,
2025-03-29 23:10,
2025-03-30 02:10,
2025-03-30 06:10,
2025-03-30 10:10,
2025-03-30 14:10,
2025-04-11 06:10,
2025-04-11 10:10,
2025-04-11 14:10,
2025-04-11 18:10,
2025-04-11 22:10,
2025-04-12 02:10,
2025-04-12 06:10,
2025-04-12 10:10,
2025-04-12 14:10,
2025-04-12 18:10,
2025-04-12 22:10,
2025-04-13 02:10,
2025-04-13 06:10,
2025-04-13 14:10,
2025-04-13 18:10,
2025-04-13 22:10,
2025-04-14 02:10,
2025-04-14 06:10,
2025-04-14 10:10,
2025-04-14 14:10,
2025-04-14 18:10,
2025-04-14 22:10,
2025-04-15 02:10,
2025-04-15 06:10,
2025-04-15 10:10,
2025-04-15 14:10,
2025-04-15 18:10,
2025-04-15 22:10,
2025-04-16 02:10,
2025-04-16 06:10,
2025-04-16 10:10,
2025-04-16 14:10,
2025-04-16 18:10,
2025-04-16 22:10,
2025-04-17 02:10,
2025-04-17 06:10,
2025-04-17 10:10,
2025-04-17 14:10,
2025-04-17 18:10,
2025-04-17 22:10,
2025-04-18 02:10,
2025-04-18 06:10,
2025-04-18 10:10,
2025-04-18 14:10,
2025-04-18 18:10,
2025-04-18 22:10,
2025-04-19 02:10
Spamhaus SBL CSS
66.228.43.21 was recently listed on the Spamhaus SBL CSS blacklist, but currently it is not.
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:
2025-04-27 19:14:10.356000
Was present on blacklist at:
2025-03-23 19:14,
2025-03-30 19:14,
2025-04-13 19:14,
2025-04-20 19:14
Spamhaus XBL CBL
66.228.43.21 was recently listed on the Spamhaus XBL CBL blacklist, but currently it is not.
Description: The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies, worms/viruses with built-in spam engines, and other types of trojan-horse exploits.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-04-27 19:14:10.356000
Was present on blacklist at:
2025-04-13 19:14
