DataPlane SMTP greeting
161.8.21.19 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:
2025-05-09 10:10:00.882000
Was present on blacklist at:
2025-05-09 02:10,
2025-05-09 06:10,
2025-05-09 10:10
Spamhaus SBL CSS
161.8.21.19 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:
2025-05-09 02:13:32.754000
Was present on blacklist at:
2025-05-09 02:13
Spamhaus XBL CBL
161.8.21.19 is listed on the Spamhaus XBL CBL blacklist.
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:
2025-05-09 02:13:32.754000
Was present on blacklist at:
2025-05-09 02:13
