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=100.42.26.0

copy try it

Log

001	+001	Resolved '100.42.26.0' to '100.42.26.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
022	+000	Checking 100.42.26.0 against SORBS. Not listed (NotExistentDomain). 20ms
031	+000	Checking 100.42.26.0 against Barracuda Central. Not listed (NotExistentDomain). 28ms
036	+000	Checking 100.42.26.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 33ms
046	+045	Checking 100.42.26.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 45ms
047	+000	Checking 100.42.26.0 against spamcop. Not listed (NotExistentDomain). 45ms
092	+000	Checking 100.42.26.0 against GBUdb. Not listed (NotExistentDomain). 89ms
101	+000	Checking 100.42.26.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 98ms
118	+000	Checking 100.42.26.0 against SURBL (multi). Not listed (NotExistentDomain). 116ms
214	+000	Checking 100.42.26.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 213ms
294	+000	Checking 100.42.26.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 292ms
703	+000	Checking 100.42.26.0 against Spamrats!. Error: ServerFailure. 700ms
703	+657	Done
703	+000	11 DNSBL's checked in 702ms.

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