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=72.52.39.0

copy try it

Log

001	+001	Resolved '72.52.39.0' to '72.52.39.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
031	+030	Checking 72.52.39.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 30ms
045	+000	Checking 72.52.39.0 against spamcop. Not listed (NotExistentDomain). 44ms
088	+000	Checking 72.52.39.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 86ms
111	+000	Checking 72.52.39.0 against SURBL (multi). Not listed (NotExistentDomain). 110ms
158	+047	Checking 72.52.39.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 47ms
179	+091	Checking 72.52.39.0 against GBUdb. Not listed (NotExistentDomain). 91ms
193	+035	Checking 72.52.39.0 against SORBS. Not listed (NotExistentDomain). 34ms
264	+085	Checking 72.52.39.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 84ms
293	+100	Checking 72.52.39.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
769	+724	Checking 72.52.39.0 against Spamrats!. Error: ServerFailure. 723ms
4.177	+4.146	Checking 72.52.39.0 against Barracuda Central. Error: ServerFailure. 4.146ms
4.177	+000	Done
4.177	+000	11 DNSBL's checked in 4.176ms.

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