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=154.21.81.0

copy try it

Log

001	+001	Resolved '154.21.81.0' to '154.21.81.0' in 0ms.
001	+000	Init of DNSBL list
001	+000	Running DNSBL checks
074	+073	Checking 154.21.81.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 73ms
121	+047	Checking 154.21.81.0 against Barracuda Central. Not listed (NotExistentDomain). 47ms
176	+055	Checking 154.21.81.0 against spamcop. Not listed (NotExistentDomain). 54ms
922	+745	Checking 154.21.81.0 against Spamrats!. Error: ServerFailure. 745ms
956	+035	Checking 154.21.81.0 against SURBL (multi). Not listed (NotExistentDomain). 34ms
1.103	+147	Checking 154.21.81.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 146ms
1.215	+112	Checking 154.21.81.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 111ms
1.314	+099	Checking 154.21.81.0 against GBUdb. Not listed (NotExistentDomain). 99ms
1.352	+038	Checking 154.21.81.0 against SORBS. Not listed (NotExistentDomain). 37ms
1.409	+056	Checking 154.21.81.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 56ms
1.495	+087	Checking 154.21.81.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 86ms
1.495	+000	Done
1.495	+000	11 DNSBL's checked in 1.494ms.

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