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=208.80.21.0

copy try it

Log

000	+000	Resolved '208.80.21.0' to '208.80.21.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
032	+031	Checking 208.80.21.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 31ms
034	+000	Checking 208.80.21.0 against SURBL (multi). Not listed (NotExistentDomain). 32ms
036	+000	Checking 208.80.21.0 against SORBS. Not listed (NotExistentDomain). 34ms
049	+000	Checking 208.80.21.0 against Barracuda Central. Not listed (NotExistentDomain). 47ms
057	+000	Checking 208.80.21.0 against spamcop. Not listed (NotExistentDomain). 55ms
068	+000	Checking 208.80.21.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 66ms
068	+000	Checking 208.80.21.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 66ms
078	+046	Checking 208.80.21.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 46ms
098	+065	Checking 208.80.21.0 against GBUdb. Not listed (NotExistentDomain). 64ms
123	+000	Checking 208.80.21.0 against Spamrats!. Not listed (NotExistentDomain). 121ms
136	+100	Checking 208.80.21.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
136	+058	Done
136	+000	11 DNSBL's checked in 135ms.

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