(Chilkat2-Python) MX Lookup Mail Server Domain by Email Address

How to find the mail server for a given email address. Returns the domain name of the primary mail server.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS

import sys
import chilkat2

success = False

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

dns = chilkat2.Dns()
json = chilkat2.JsonObject()

emailAddr = "bob@example.com"

# This gets all MX domains for an email address.  (Typically one domain.)
# The preferred domain will be at index 0 (see below).
success = dns.Query("MX",emailAddr,json)
if (success == False):
    print(dns.LastErrorText)
    sys.exit()

i = 0
count_i = json.SizeOfArray("answer.mx")
while i < count_i :
    json.I = i
    domain = json.StringOf("answer.mx[i].domain")
    print(domain)
    i = i + 1