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=20.33.163.0

copy try it

Log

000	+000	Resolved '20.33.163.0' to '20.33.163.0' in 0ms.
000	+000	Init of DNSBL list
001	+000	Running DNSBL checks
030	+030	Checking 20.33.163.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 29ms
056	+000	Checking 20.33.163.0 against spamcop. Not listed (NotExistentDomain). 55ms
078	+047	Checking 20.33.163.0 against Barracuda Central. Not listed (NotExistentDomain). 47ms
104	+000	Checking 20.33.163.0 against SURBL (multi). Not listed (NotExistentDomain). 103ms
120	+042	Checking 20.33.163.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 42ms
127	+000	Checking 20.33.163.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 76ms
158	+055	Checking 20.33.163.0 against GBUdb. Not listed (NotExistentDomain). 54ms
229	+101	Checking 20.33.163.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 101ms
274	+154	Checking 20.33.163.0 against SORBS. Not listed (NotExistentDomain). 153ms
373	+100	Checking 20.33.163.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
609	+553	Checking 20.33.163.0 against Spamrats!. Error: ServerFailure. 553ms
609	+236	Done
609	+000	11 DNSBL's checked in 608ms.

DNSBL check

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