DNSBL blacklist check of '203.251.0.0'

Ouch - 203.251.0.0 is blacklisted!

One or more DNSBL's has blacklisted 203.251.0.0. Review the details below.
Spamhaus ZEN
website
OkNotListed
Barracuda Central
website
OkNotListed
spamcop
website
OkNotListed
Spamrats!
website
Error
SURBL (multi)
website
OkNotListed
PSBL (Passive Spam Block List)
website
OkNotListed
UCEPROTECT lvl 2
website
Listed
GBUdb
website
OkNotListed
SORBS
website
OkNotListed
Junk Email Filter (tm)
website
OkNotListed
ips.backscatterer.org
website
OkNotListed

API

You may perform this lookup using the API and get the results as easy-to-parse JSON data.

Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.

 
GET
 https://iamroot.tech/dnsbl-blacklist-checker/api/?host=203.251.0.0 copy try it
 

Log

001+001
  • Resolved '203.251.0.0' to '203.251.0.0' in 0ms.
001+000
  • Init of DNSBL list
001+000
  • Running DNSBL checks
030+000
  • Checking 203.251.0.0 against Barracuda Central. Not listed (NotExistentDomain). 28ms
049+048
  • Checking 203.251.0.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
051+000
  • Checking 203.251.0.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 48ms
056+000
  • Checking 203.251.0.0 against spamcop. Not listed (NotExistentDomain). 54ms
065+000
  • Checking 203.251.0.0 against SURBL (multi). Not listed (NotExistentDomain). 64ms
089+000
  • Checking 203.251.0.0 against UCEPROTECT lvl 2. Listed! Return code '127.0.0.2'. 88ms
093+000
  • Checking 203.251.0.0 against GBUdb. Not listed (NotExistentDomain). 91ms
102+000
  • Checking 203.251.0.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
113+000
  • Checking 203.251.0.0 against SORBS. Not listed (NotExistentDomain). 111ms
113+000
  • Checking 203.251.0.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 111ms
631+000
  • Checking 203.251.0.0 against Spamrats!. Error: ServerFailure. 628ms
631+582
  • Done
631+000
  • 11 DNSBL's checked in 630ms.
631+000
  • ERROuch - 203.251.0.0 is blacklisted!
    One or more DNSBL's has blacklisted 203.251.0.0. Review the details below.
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