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=138.113.21.0

copy try it

Log

001	+001	Resolved '138.113.21.0' to '138.113.21.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
038	+000	Checking 138.113.21.0 against SORBS. Not listed (NotExistentDomain). 36ms
042	+041	Checking 138.113.21.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 41ms
066	+000	Checking 138.113.21.0 against spamcop. Not listed (NotExistentDomain). 64ms
066	+000	Checking 138.113.21.0 against SURBL (multi). Not listed (NotExistentDomain). 64ms
069	+027	Checking 138.113.21.0 against Barracuda Central. Not listed (NotExistentDomain). 27ms
114	+048	Checking 138.113.21.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 47ms
129	+000	Checking 138.113.21.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 128ms
138	+100	Checking 138.113.21.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
160	+091	Checking 138.113.21.0 against GBUdb. Not listed (NotExistentDomain). 90ms
307	+193	Checking 138.113.21.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 193ms
955	+889	Checking 138.113.21.0 against Spamrats!. Error: ServerFailure. 888ms
955	+795	Done
955	+000	11 DNSBL's checked in 954ms.

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