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=185.21.104.0

copy try it

Log

001	+001	Resolved '185.21.104.0' to '185.21.104.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
032	+000	Checking 185.21.104.0 against SURBL (multi). Not listed (NotExistentDomain). 31ms
042	+000	Checking 185.21.104.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 40ms
051	+000	Checking 185.21.104.0 against spamcop. Not listed (NotExistentDomain). 50ms
054	+000	Checking 185.21.104.0 against SORBS. Not listed (NotExistentDomain). 52ms
080	+080	Checking 185.21.104.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 79ms
087	+000	Checking 185.21.104.0 against Barracuda Central. Not listed (NotExistentDomain). 85ms
092	+000	Checking 185.21.104.0 against GBUdb. Not listed (NotExistentDomain). 90ms
103	+000	Checking 185.21.104.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 102ms
104	+000	Checking 185.21.104.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 101ms
211	+000	Checking 185.21.104.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 209ms
695	+000	Checking 185.21.104.0 against Spamrats!. Error: ServerFailure. 693ms
695	+615	Done
695	+000	11 DNSBL's checked in 694ms.

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