DNSBL blacklist check of '203.221.52.0'

Ouch - 203.221.52.0 is blacklisted!

One or more DNSBL's has blacklisted 203.221.52.0. Review the details below.
Spamhaus ZEN
Listed
Barracuda Central
OkNotListed
spamcop
OkNotListed
Spamrats!
Error
SURBL (multi)
OkNotListed
PSBL (Passive Spam Block List)
OkNotListed
UCEPROTECT lvl 2
OkNotListed
GBUdb
OkNotListed
SORBS
OkNotListed
Junk Email Filter (tm)
OkNotListed
ips.backscatterer.org
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=203.221.52.0 copy try it
 

Log

001+001
  • Resolved '203.221.52.0' to '203.221.52.0' in 0ms.
001+000
  • Init of DNSBL list
001+000
  • Running DNSBL checks
020+000
  • Checking 203.221.52.0 against SURBL (multi). Not listed (NotExistentDomain). 19ms
029+000
  • Checking 203.221.52.0 against Barracuda Central. Not listed (NotExistentDomain). 27ms
044+000
  • Checking 203.221.52.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 41ms
046+000
  • Checking 203.221.52.0 against spamcop. Not listed (NotExistentDomain). 45ms
047+046
  • Checking 203.221.52.0 against Spamhaus ZEN. Listed! Return code '127.0.0.11'. 46ms
050+000
  • Checking 203.221.52.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 48ms
104+000
  • Checking 203.221.52.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 101ms
169+000
  • Checking 203.221.52.0 against GBUdb. Not listed (NotExistentDomain). 166ms
188+000
  • Checking 203.221.52.0 against SORBS. Not listed (NotExistentDomain). 186ms
280+000
  • Checking 203.221.52.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 277ms
395+000
  • Checking 203.221.52.0 against Spamrats!. Error: ServerFailure. 393ms
396+349
  • Done
396+000
  • 11 DNSBL's checked in 395ms.
396+000
  • ERROuch - 203.221.52.0 is blacklisted!
    One or more DNSBL's has blacklisted 203.221.52.0. Review the details below.