How can I validate an email address using DNS lookup?
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How can I validate an email address using DNS lookup?
You can validate an email address by checking its domain's DNS records to see if it has valid MX (Mail Exchange) records.
What are MX records and why are they important?
MX records specify the mail servers responsible for receiving email on behalf of a domain. They are crucial for email delivery.
How do I perform a DNS lookup for MX records?
You can use command-line tools like nslookup or dig. For example, nslookup -type=mx example.com will show you the MX records.
Is there a way to automate this process?
Yes, you can use programming languages like Python with libraries such as dnspython to automate DNS lookups for email validation.
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