Pydnsbl

Async dnsbl lists checker based on asyncio/aiodns. Checks if ip is listed in anti-spam dns blacklists. Multiple dns blacklists supported. Use aiodns for async dns requests. Usually ip check run for 50+ lists takes less than one second. Also allow to check domains.

Installation

pip install pydnsbl

Requirements

• python >= 3.5
• aiodns

Usage

Check ip

>>> import pydnsbl
>>> ip_checker = pydnsbl.DNSBLIpChecker()
>>> ip_checker.check('8.8.8.8')
<DNSBLResult: 8.8.8.8  (0/52)>
>>> ip_checker.check('68.128.212.240')
<DNSBLResult: 68.128.212.240 [BLACKLISTED] (6/52)>

Check domain

>>> import pydnsbl
>>> domain_checker = pydnsbl.DNSBLDomainChecker()
>>> domain_checker.check('google.com')
<DNSBLResult: google.com  (0/4)>
>>> domain_checker.check('belonging708-info.xyz')
<DNSBLResult: belonging708-info.xyz [BLACKLISTED] (2/4)>

DNSBLResult properties

• DNSBLResult.addr - ip address or domain that was checked
• DNSBLResult.blacklisted - boolean, True if ip/domain detected by at least one provider
• DNSBLResult.detected_by - dictionary containing providers hosts detected this ip/domain as keys and their category verdicts
• DNSBLResult.categories - combined categories from all providers for this ip/domain
• DNSBLResult.providers - list of providers that was performing the check
• DNSBLResult.failed_providers - list of providers that was unable to check this ip properly (possibly provider was down)

>>> result = domain_checker.check('belonging708-info.xyz')
>>> result.addr
'belonging708-info.xyz'
>>> result.blacklisted
True
>>> result.detected_by
{'multi.surbl.org': ['unknown'], 'dbl.spamhaus.org': ['spam']}
>>> result.categories
{'unknown', 'spam'}
>>> result.providers
[<Provider: uribl.spameatingmonkey.net>, <Provider: multi.surbl.org>, <Provider: rhsbl.sorbs.net >, <Provider: dbl.spamhaus.org>]
>>> result.failed_providers
[]

Extending/overriding providers

Basic

 
from pydnsbl import DNSBLIpChecker, providers
from pydnsbl.providers import BASE_PROVIDERS, Provider
providers = BASE_PROVIDERS + [Provider('yourprovider1.com'), ...]
checker = DNSBLIpChecker(providers=providers)

Advanced

Take a look into providers.py file.

• Use Provider class to create your custom providers.
• Override process_response method of Provider class to map providers response codes (127.0.0.x) to DNSBL categories.

Contact

Feel free to contact me: ippolitov87 at gmail.com