IP address

Passive DNS

Tags:

IP blacklists: PSBL
209.54.105.21 is listed on the PSBL blacklist.

Description: The Passive Spam Block List uses the Spamikaze software to detect spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2025-06-24 07:45:00.506000
Was present on blacklist at: 2025-06-23 07:45, 2025-06-23 15:45, 2025-06-23 23:45, 2025-06-24 07:45
Spamhaus SBL CSS
209.54.105.21 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: 2025-06-23 07:45:01.609000
Was present on blacklist at: 2025-06-23 07:45
UCEPROTECT L1
209.54.105.21 is listed on the UCEPROTECT L1 blacklist.

Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2025-06-24 07:45:00.812000
Was present on blacklist at: 2025-06-23 07:45, 2025-06-23 15:45, 2025-06-23 23:45, 2025-06-24 07:45

Origin AS: AS36352 - AS-COLOCROSSING
BGP Prefix: 209.54.105.0/24
geo: United States, Los Angeles; 🕑 America/Los_Angeles
hostname: mail1.doplantyev.org
Address block ('inetnum' or 'NetRange' in whois database): 209.54.104.0 - 209.54.107.255
reserved_range: 0
Shodan's InternetDB: Open ports: 22, 25, 80, 110, 143, 443, 465; Tags: starttls, self-signed; CPEs: cpe:/a:openssl:openssl:1.0.2k, cpe:/a:openbsd:openssh:7.4, cpe:/a:postfix:postfix, cpe:/a:apache:http_server:2.4.6
ts_added: 2025-06-23 07:45:01.421000
ts_last_update: 2025-06-24 07:58:38.502000

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Presence on blacklists