Category : dns

I performed the tests on Python 3.9.7 x64, dnspython 2.1.0 and Windows 10 21H1. The problem is very simple: dns.resolver.Resolver() works normally but not dns.asyncresolver.Resolver(), they are supposed to have the same API, however while the former does indeed return results, the latter always times out. Example: In [55]: import dns …: sequential_resolver = dns.resolver.Resolver() ..

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I have a pandas data frame, which has a column of the hostname of each email address (over 1000 rows): email hostname [email protected] example.com [email protected] example.com [email protected] example2.com [email protected] example3.com I want to go through each hostname and check whether it truly exists or not. email hostname valid_hostname [email protected] example.com True [email protected] example.com False [email protected] ..

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