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 '163.171.251.0' to '163.171.251.0' in 0ms.
001
+000
Init of DNSBL list
001
+000
Running DNSBL checks
033
+000
Checking 163.171.251.0 against Barracuda Central. Not listed (NotExistentDomain). 30ms
048
+000
Checking 163.171.251.0 against spamcop. Not listed (NotExistentDomain). 46ms
049
+048
Checking 163.171.251.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
051
+000
Checking 163.171.251.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 47ms
051
+000
Checking 163.171.251.0 against SURBL (multi). Not listed (NotExistentDomain). 49ms
053
+000
Checking 163.171.251.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 50ms
089
+000
Checking 163.171.251.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 86ms
102
+000
Checking 163.171.251.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 98ms
239
+000
Checking 163.171.251.0 against GBUdb. Not listed (NotExistentDomain). 235ms
398
+000
Checking 163.171.251.0 against Spamrats!. Error: ServerFailure. 394ms
1.167
+000
Checking 163.171.251.0 against SORBS. Error: ServerFailure. 1.164ms
1.282
+1.234
Done
1.283
+000
11 DNSBL's checked in 1.281ms.
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