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=104.243.251.0

copy try it

Log

001	+001	Resolved '104.243.251.0' to '104.243.251.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
011	+010	Checking 104.243.251.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 10ms
033	+000	Checking 104.243.251.0 against SURBL (multi). Not listed (NotExistentDomain). 32ms
048	+000	Checking 104.243.251.0 against spamcop. Not listed (NotExistentDomain). 46ms
057	+000	Checking 104.243.251.0 against SORBS. Not listed (NotExistentDomain). 55ms
061	+000	Checking 104.243.251.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 58ms
094	+000	Checking 104.243.251.0 against GBUdb. Not listed (NotExistentDomain). 91ms
103	+000	Checking 104.243.251.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
157	+000	Checking 104.243.251.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 155ms
200	+000	Checking 104.243.251.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 198ms
285	+000	Checking 104.243.251.0 against Spamrats!. Error: ServerFailure. 283ms
4,054	+000	Checking 104.243.251.0 against Barracuda Central. Error: ServerFailure. 4,052ms
4,054	+4,044	Done
4,054	+000	11 DNSBL's checked in 4,053ms.

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