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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

2/3 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 SBL, PBL (ISP), XBL · 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

    127.0.0.2, 127.0.0.10, 127.0.0.4 135 ms listed

  • Barracuda high impact

    2.0.0.127.b.barracudacentral.org

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

    127.0.0.2 505 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 29 ms listed

  • PSBL medium impact

    2.0.0.127.psbl.surriel.com

    Listed in PSBL, see http://psbl.org/listing?ip=127.0.0.2

    127.0.0.2 479 ms listed

  • Mailspike medium impact

    2.0.0.127.bl.mailspike.net

    1793181062|Sinkhole 1793181228 1793181198

    127.0.0.13, 127.0.0.2, 127.0.0.10, 127.0.0.11, 127.0.0.12 102 ms listed

  • UCEPROTECT L1 low impact

    2.0.0.127.dnsbl-1.uceprotect.net

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

    127.0.0.2 578 ms listed

  • UCEPROTECT L2 low impact

    2.0.0.127.dnsbl-2.uceprotect.net

    Test Record. UCEPROTECT.NET LEVEL 2 List is active

    127.0.0.2 457 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 1334 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 1643 ms listed

  • Backscatterer low impact

    2.0.0.127.ips.backscatterer.org

    Onlinetest - RBL IPS.BACKSCATTERER.ORG is activ

    127.0.0.2 457 ms listed

  • DroneBL low impact

    2.0.0.127.dnsbl.dronebl.org

    Testing class.

    127.0.0.1 3477 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 1301 ms listed

  • SEM Black medium impact

    2.0.0.127.bl.spameatingmonkey.net

    List generated 2026-10-28T09:59:06.723Z

    127.0.0.2 674 ms listed

  • SEM Backscatter low impact

    2.0.0.127.backscatter.spameatingmonkey.net

    List generated 2026-10-28T09:58:04.183Z

    127.0.0.2 674 ms listed

  • SWINOG low impact

    2.0.0.127.dnsrbl.swinog.ch

    117 ms clean

  • GBUdb Truncate medium impact

    2.0.0.127.truncate.gbudb.net

    Test Record

    127.0.0.2 602 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

    127.0.0.2 116 ms listed

  • s5h low impact

    2.0.0.127.all.s5h.net

    See http://s5h.net/rbl

    127.0.0.2 2637 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 1359 ms listed

  • Nordspam low impact

    2.0.0.127.bl.nordspam.com

    RFC5782 TEST-record.

    127.0.0.2 208 ms listed

  • InterServer low impact

    2.0.0.127.rbl.interserver.net

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

    127.0.0.2 363 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

    127.0.1.1, 127.0.1.2, 127.0.1.3, 127.0.0.2, 127.0.0.1, 127.0.0.3, 127.0.0.4, 127.0.0.5 3161 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