Blacklist check

127.0.0.2

Enter an IPv4 address or a domain. For a domain, its mail servers are checked against common DNS blacklists.

127.0.0.2

Listed on 8 lists

IP address

Spamhaus ZENclean
Barracudalistedhttp://www.barracudanetworks.com/reputation/?pr=1&ip=127.0.0.2
SpamCoplistedBlocked - see https://www.spamcop.net/bl.shtml?127.0.0.2
UCEPROTECT L1listedTest Record. UCEPROTECT.NET LEVEL 1 List is active.
PSBLlistedpsbl.surriel.com test entry
NiX Spamno answer
Mailspikelisted1792169462|Sinkhole
DroneBLlistedTesting class.
s5h.netlistedSee http://s5h.net/rbl
SpamRATS Spamno answer
GBUdb TruncatelistedTest Record

Same in the terminal

$ curl tools.otw.solutions/blacklist/127.0.0.2

'No answer' means the list refused or did not answer the query. Spamhaus, for example, blocks queries from large public resolvers. Delisting is done on each list's website.