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=2.56.201.0

copy try it

Log

001	+001	Resolved '2.56.201.0' to '2.56.201.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
061	+000	Checking 2.56.201.0 against spamcop. Not listed (NotExistentDomain). 59ms
078	+077	Checking 2.56.201.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 76ms
101	+000	Checking 2.56.201.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 99ms
108	+000	Checking 2.56.201.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 67ms
110	+000	Checking 2.56.201.0 against SURBL (multi). Not listed (NotExistentDomain). 108ms
115	+037	Checking 2.56.201.0 against Barracuda Central. Not listed (NotExistentDomain). 37ms
156	+048	Checking 2.56.201.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 48ms
156	+055	Checking 2.56.201.0 against GBUdb. Not listed (NotExistentDomain). 54ms
212	+102	Checking 2.56.201.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 101ms
467	+000	Checking 2.56.201.0 against SORBS. Not listed (NotExistentDomain). 463ms
587	+527	Checking 2.56.201.0 against Spamrats!. Error: ServerFailure. 526ms
588	+472	Done
588	+000	11 DNSBL's checked in 586ms.

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