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=204.217.152.0

copy try it

Log

001	+001	Resolved '204.217.152.0' to '204.217.152.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
032	+000	Checking 204.217.152.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
046	+045	Checking 204.217.152.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 45ms
052	+000	Checking 204.217.152.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 49ms
091	+000	Checking 204.217.152.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 89ms
093	+000	Checking 204.217.152.0 against GBUdb. Not listed (NotExistentDomain). 89ms
109	+000	Checking 204.217.152.0 against SURBL (multi). Not listed (NotExistentDomain). 107ms
198	+000	Checking 204.217.152.0 against SORBS. Not listed (NotExistentDomain). 196ms
201	+000	Checking 204.217.152.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 199ms
224	+000	Checking 204.217.152.0 against spamcop. Not listed (NotExistentDomain). 223ms
285	+000	Checking 204.217.152.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 282ms
1,396	+000	Checking 204.217.152.0 against Spamrats!. Error: ServerFailure. 1,394ms
1,397	+1,351	Done
1,397	+000	11 DNSBL's checked in 1,395ms.

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