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// blacklist lookup

Is your IP or domain blacklisted?

Checks 22 IP blacklists and 3 domain blacklists in real time, plus the reverse DNS of the IP.

try: 127.0.0.2 45.145.166.47 dbltest.com oowiz.com · 127.0.0.2 and dbltest.com are official test entries, always listed

0/3 free lookups left today without an account

RESULT

Listed on 21

22 lists checked

TARGET

127.0.0.2

IPv4 address

Own server

REVERSE DNS

hms63361

not forward-confirmed (→ 127.0.1.1)

IP blacklists

127.0.0.2 RBL
  • Spamhaus ZEN high impact

    2.0.0.127.zen.spamhaus.org

    Listed on PBL (ISP), XBL, SBL · Listed by PBL, see https://check.spamhaus.org/query/ip/127.0.0.2 Listed by XBL, see https://check.spamhaus.org/query/ip/127.0.0.2 Listed by SBL, see https://check.spamhaus.org/sbl/query/SBL2

    127.0.0.10, 127.0.0.4, 127.0.0.2 124 ms listed
  • Barracuda high impact

    2.0.0.127.b.barracudacentral.org

    http://www.barracudanetworks.com/reputation/?pr=1&ip=127.0.0.2

    127.0.0.2 486 ms listed
  • SpamCop high impact

    2.0.0.127.bl.spamcop.net

    Blocked - see https://www.spamcop.net/bl.shtml?127.0.0.2

    127.0.0.2 37 ms listed
  • PSBL medium impact

    2.0.0.127.psbl.surriel.com

    psbl.surriel.com test entry

    127.0.0.2 531 ms listed
  • Mailspike medium impact

    2.0.0.127.bl.mailspike.net

    1793906222|Sinkhole 1793906630 1793906603

    127.0.0.2, 127.0.0.10, 127.0.0.11, 127.0.0.12, 127.0.0.13 105 ms listed
  • UCEPROTECT L1 low impact

    2.0.0.127.dnsbl-1.uceprotect.net

    Test Record. UCEPROTECT.NET LEVEL 1 List is active.

    127.0.0.2 340 ms listed
  • UCEPROTECT L2 low impact

    2.0.0.127.dnsbl-2.uceprotect.net

    Test Record. UCEPROTECT.NET LEVEL 2 List is active

    127.0.0.2 436 ms listed
  • UCEPROTECT L3 low impact

    2.0.0.127.dnsbl-3.uceprotect.net

    Test Record. UCEPROTECT.NET LEVEL 3 List is active

    127.0.0.2 1427 ms listed
  • SpamRATS low impact

    2.0.0.127.all.spamrats.com

    SPAMRATS IP Addresses See: http://www.spamrats.com/bl?127.0.0.2

    127.0.0.36, 127.0.0.37, 127.0.0.38, 127.0.0.43, 127.0.0.2 3325 ms listed
  • Backscatterer low impact

    2.0.0.127.ips.backscatterer.org

    Onlinetest - RBL IPS.BACKSCATTERER.ORG is activ

    127.0.0.2 397 ms listed
  • DroneBL low impact

    2.0.0.127.dnsbl.dronebl.org

    Testing class.

    127.0.0.1 3437 ms listed
  • 0spam low impact

    2.0.0.127.bl.0spam.org

    This listings is for RFC Compliance. See RFC 5782. For support and listing removal go to https://0spam.org

    127.0.0.2 874 ms listed
  • SEM Black medium impact

    2.0.0.127.bl.spameatingmonkey.net

    List generated 2026-11-05T19:27:15.512Z

    127.0.0.2 653 ms listed
  • SEM Backscatter low impact

    2.0.0.127.backscatter.spameatingmonkey.net

    List generated 2026-11-05T19:26:13.341Z

    127.0.0.2 661 ms listed
  • SWINOG low impact

    2.0.0.127.dnsrbl.swinog.ch

    144 ms clean
  • GBUdb Truncate medium impact

    2.0.0.127.truncate.gbudb.net

    Test Record

    127.0.0.2 611 ms listed
  • Blocklist.de low impact

    2.0.0.127.bl.blocklist.de

    Infected System, see http://www.blocklist.de/en/view.html?ip=127.0.0.2

    127.0.0.2 106 ms listed
  • s5h low impact

    2.0.0.127.all.s5h.net

    See http://s5h.net/rbl

    127.0.0.2 1231 ms listed
  • JustSpam low impact

    2.0.0.127.dnsbl.justspam.org

    JustSpam.org is fighting against the crap on the net

    127.0.0.2 317 ms listed
  • Nordspam low impact

    2.0.0.127.bl.nordspam.com

    RFC5782 TEST-record.

    127.0.0.2 125 ms listed
  • InterServer low impact

    2.0.0.127.rbl.interserver.net

    Blocked at http://sigs.interserver.net/ip?ip=127.0.0.2

    127.0.0.2 365 ms listed
  • Hostkarma medium impact

    2.0.0.127.hostkarma.junkemailfilter.com

    Yellow listed 127.0.0.2 See http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists Black listed at hostkarma http://ipadmin.junkemailfilter.com/remove.php?ip=127.0.0.2 White listed 127.0.0.2 See http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists Brown listed 127.0.0.2 See http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists Black listed (authentication hacker) at hostkarma http://ipadmin.junkemailfilter.com/remove.php?ip=127.0.0.2

    127.0.0.3, 127.0.0.4, 127.0.0.5, 127.0.1.1, 127.0.1.2, 127.0.1.3, 127.0.0.2, 127.0.0.1 1368 ms listed

Each list is queried over DNS using the reversed IP (e.g. 47.166.145.45.zen.spamhaus.org) or the domain name. An answer means "listed", no answer means "clean". "Unavailable" lists timed out or refused the query: try again in a moment. JSON: /api/blacklists?q=127.0.0.2