DNSBL blacklist check of '8.21.41.0'

Ouch - 8.21.41.0 is blacklisted!

One or more DNSBL's has blacklisted 8.21.41.0. Review the details below.
Spamhaus ZEN
OkNotListed
Barracuda Central
OkNotListed
spamcop
OkNotListed
Spamrats!
Error
SURBL (multi)
OkNotListed
PSBL (Passive Spam Block List)
OkNotListed
UCEPROTECT lvl 2
Listed
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=8.21.41.0 copy try it
 

Log

001+001
  • Resolved '8.21.41.0' to '8.21.41.0' in 0ms.
001+000
  • Init of DNSBL list
001+000
  • Running DNSBL checks
041+000
  • Checking 8.21.41.0 against UCEPROTECT lvl 2. Listed! Return code '127.0.0.2'. 39ms
041+000
  • Checking 8.21.41.0 against Barracuda Central. Not listed (NotExistentDomain). 37ms
054+000
  • Checking 8.21.41.0 against SURBL (multi). Not listed (NotExistentDomain). 52ms
054+000
  • Checking 8.21.41.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 50ms
058+000
  • Checking 8.21.41.0 against GBUdb. Not listed (NotExistentDomain). 54ms
061+000
  • Checking 8.21.41.0 against spamcop. Not listed (NotExistentDomain). 60ms
061+000
  • Checking 8.21.41.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 56ms
066+065
  • Checking 8.21.41.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 64ms
068+000
  • Checking 8.21.41.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 65ms
124+000
  • Checking 8.21.41.0 against SORBS. Not listed (NotExistentDomain). 121ms
488+000
  • Checking 8.21.41.0 against Spamrats!. Error: ServerFailure. 484ms
488+422
  • Done
488+000
  • 11 DNSBL's checked in 487ms.
488+000
  • ERROuch - 8.21.41.0 is blacklisted!
    One or more DNSBL's has blacklisted 8.21.41.0. Review the details below.