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.
Resolved '144.220.136.0' to '144.220.136.0' in 0ms.
001
+000
Init of DNSBL list
001
+000
Running DNSBL checks
032
+000
Checking 144.220.136.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
048
+047
Checking 144.220.136.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
050
+000
Checking 144.220.136.0 against SURBL (multi). Not listed (NotExistentDomain). 48ms
059
+000
Checking 144.220.136.0 against SORBS. Not listed (NotExistentDomain). 56ms
059
+000
Checking 144.220.136.0 against spamcop. Not listed (NotExistentDomain). 57ms
064
+000
Checking 144.220.136.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 60ms
103
+000
Checking 144.220.136.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
111
+000
Checking 144.220.136.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 110ms
163
+000
Checking 144.220.136.0 against GBUdb. Not listed (NotExistentDomain). 159ms
207
+000
Checking 144.220.136.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 204ms
609
+000
Checking 144.220.136.0 against Spamrats!. Error: ServerFailure. 606ms
609
+561
Done
609
+000
11 DNSBL's checked in 608ms.
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