DNSBL blacklist check of '51.44.0.0'

Ouch - 51.44.0.0 is blacklisted!

One or more DNSBL's has blacklisted 51.44.0.0. Review the details below.
Spamhaus ZEN
website
Listed
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
OkNotListed
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=51.44.0.0 copy try it
 

Log

000+000
  • Resolved '51.44.0.0' to '51.44.0.0' in 0ms.
001+000
  • Init of DNSBL list
001+000
  • Running DNSBL checks
047+000
  • Checking 51.44.0.0 against spamcop. Not listed (NotExistentDomain). 46ms
048+000
  • Checking 51.44.0.0 against SURBL (multi). Not listed (NotExistentDomain). 46ms
051+051
  • Checking 51.44.0.0 against Spamhaus ZEN. Listed! Return code '127.0.0.11'. 50ms
060+000
  • Checking 51.44.0.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 57ms
066+000
  • Checking 51.44.0.0 against GBUdb. Not listed (NotExistentDomain). 64ms
077+000
  • Checking 51.44.0.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 75ms
093+000
  • Checking 51.44.0.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 92ms
102+000
  • Checking 51.44.0.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
126+000
  • Checking 51.44.0.0 against Barracuda Central. Not listed (NotExistentDomain). 124ms
199+000
  • Checking 51.44.0.0 against SORBS. Not listed (NotExistentDomain). 197ms
298+000
  • Checking 51.44.0.0 against Spamrats!. Error: ServerFailure. 296ms
298+247
  • Done
298+000
  • 11 DNSBL's checked in 297ms.
298+000
  • ERROuch - 51.44.0.0 is blacklisted!
    One or more DNSBL's has blacklisted 51.44.0.0. Review the details below.
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