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=203.217.64.0

copy try it

Log

001	+001	Resolved '203.217.64.0' to '203.217.64.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
047	+046	Checking 203.217.64.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 45ms
073	+000	Checking 203.217.64.0 against spamcop. Not listed (NotExistentDomain). 45ms
194	+000	Checking 203.217.64.0 against SORBS. Not listed (NotExistentDomain). 19ms
251	+057	Checking 203.217.64.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 56ms
256	+000	Checking 203.217.64.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 68ms
294	+043	Checking 203.217.64.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 43ms
345	+089	Checking 203.217.64.0 against GBUdb. Not listed (NotExistentDomain). 88ms
360	+000	Checking 203.217.64.0 against SURBL (multi). Not listed (NotExistentDomain). 187ms
375	+000	Checking 203.217.64.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 201ms
627	+555	Checking 203.217.64.0 against Spamrats!. Error: ServerFailure. 554ms
1.526	+1.479	Checking 203.217.64.0 against Barracuda Central. Error: ServerFailure. 1.479ms
1.526	+000	Done
1.526	+000	11 DNSBL's checked in 1.525ms.

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