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=23.81.40.0

copy try it

Log

000	+000	Resolved '23.81.40.0' to '23.81.40.0' in 0ms.
000	+000	Init of DNSBL list
001	+000	Running DNSBL checks
070	+069	Checking 23.81.40.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 69ms
088	+018	Checking 23.81.40.0 against Barracuda Central. Not listed (NotExistentDomain). 18ms
143	+055	Checking 23.81.40.0 against spamcop. Not listed (NotExistentDomain). 54ms
547	+405	Checking 23.81.40.0 against Spamrats!. Error: ServerFailure. 404ms
586	+038	Checking 23.81.40.0 against SURBL (multi). Not listed (NotExistentDomain). 38ms
652	+066	Checking 23.81.40.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 65ms
721	+069	Checking 23.81.40.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 68ms
842	+121	Checking 23.81.40.0 against GBUdb. Not listed (NotExistentDomain). 120ms
1.103	+000	Checking 23.81.40.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 67ms
1.138	+296	Checking 23.81.40.0 against SORBS. Not listed (NotExistentDomain). 296ms
1.196	+057	Checking 23.81.40.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 57ms
1.196	+000	Done
1.196	+000	11 DNSBL's checked in 1.195ms.

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