DNSBL check

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=209.87.136.0

copy try it

Log

001	+001	Resolved '209.87.136.0' to '209.87.136.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
021	+000	Checking 209.87.136.0 against Barracuda Central. Not listed (NotExistentDomain). 18ms
043	+000	Checking 209.87.136.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 40ms
050	+000	Checking 209.87.136.0 against spamcop. Not listed (NotExistentDomain). 49ms
050	+000	Checking 209.87.136.0 against SURBL (multi). Not listed (NotExistentDomain). 49ms
057	+000	Checking 209.87.136.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 55ms
075	+074	Checking 209.87.136.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 74ms
085	+000	Checking 209.87.136.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 83ms
093	+000	Checking 209.87.136.0 against GBUdb. Not listed (NotExistentDomain). 89ms
103	+000	Checking 209.87.136.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
352	+000	Checking 209.87.136.0 against Spamrats!. Error: ServerFailure. 349ms
593	+000	Checking 209.87.136.0 against SORBS. Not listed (NotExistentDomain). 591ms
593	+518	Done
594	+000	11 DNSBL's checked in 592ms.

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