DNSBL blacklist check of '121.139.137.0'

Ouch - 121.139.137.0 is blacklisted!

One or more DNSBL's has blacklisted 121.139.137.0. Review the details below.
Spamhaus ZEN
OkNotListed
Barracuda Central
Timeout
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=121.139.137.0 copy try it
 

Log

001+001
  • Resolved '121.139.137.0' to '121.139.137.0' in 0ms.
001+000
  • Init of DNSBL list
001+000
  • Running DNSBL checks
057+056
  • Checking 121.139.137.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 55ms
152+000
  • Checking 121.139.137.0 against SURBL (multi). Not listed (NotExistentDomain). 22ms
164+000
  • Checking 121.139.137.0 against spamcop. Not listed (NotExistentDomain). 55ms
200+048
  • Checking 121.139.137.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 48ms
291+090
  • Checking 121.139.137.0 against UCEPROTECT lvl 2. Listed! Return code '127.0.0.2'. 90ms
346+055
  • Checking 121.139.137.0 against GBUdb. Not listed (NotExistentDomain). 55ms
453+107
  • Checking 121.139.137.0 against SORBS. Not listed (NotExistentDomain). 107ms
554+101
  • Checking 121.139.137.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
558+000
  • Checking 121.139.137.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 192ms
729+565
  • Checking 121.139.137.0 against Spamrats!. Error: ServerFailure. 564ms
8.120+8.063
  • Checking 121.139.137.0 against Barracuda Central. Timeout. 8.062ms
8.120+000
  • Done
8.120+000
  • 11 DNSBL's checked in 8.118ms.
8.120+000
  • ERROuch - 121.139.137.0 is blacklisted!
    One or more DNSBL's has blacklisted 121.139.137.0. Review the details below.