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=54.239.4.0

copy try it

Log

001	+001	Resolved '54.239.4.0' to '54.239.4.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
053	+052	Checking 54.239.4.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 52ms
070	+017	Checking 54.239.4.0 against Barracuda Central. Not listed (NotExistentDomain). 16ms
125	+055	Checking 54.239.4.0 against spamcop. Not listed (NotExistentDomain). 54ms
324	+000	Checking 54.239.4.0 against SURBL (multi). Not listed (NotExistentDomain). 50ms
358	+034	Checking 54.239.4.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 34ms
411	+287	Checking 54.239.4.0 against Spamrats!. Error: ServerFailure. 286ms
464	+106	Checking 54.239.4.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 105ms
529	+065	Checking 54.239.4.0 against GBUdb. Not listed (NotExistentDomain). 64ms
588	+060	Checking 54.239.4.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 59ms
997	+586	Checking 54.239.4.0 against SORBS. Not listed (NotExistentDomain). 585ms
1.056	+059	Checking 54.239.4.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 58ms
1.056	+000	Done
1.056	+000	11 DNSBL's checked in 1.055ms.

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