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=99.56.0.0

copy try it

Log

001	+001	Resolved '99.56.0.0' to '99.56.0.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
031	+000	Checking 99.56.0.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
042	+041	Checking 99.56.0.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 40ms
046	+000	Checking 99.56.0.0 against spamcop. Not listed (NotExistentDomain). 45ms
049	+000	Checking 99.56.0.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 46ms
150	+000	Checking 99.56.0.0 against SURBL (multi). Not listed (NotExistentDomain). 149ms
159	+000	Checking 99.56.0.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 157ms
171	+000	Checking 99.56.0.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 170ms
200	+000	Checking 99.56.0.0 against SORBS. Not listed (NotExistentDomain). 197ms
227	+000	Checking 99.56.0.0 against GBUdb. Not listed (NotExistentDomain). 224ms
243	+000	Checking 99.56.0.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 240ms
679	+000	Checking 99.56.0.0 against Spamrats!. Error: ServerFailure. 676ms
679	+637	Done
679	+000	11 DNSBL's checked in 678ms.

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