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Learning DNS for Developers

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amazon.com 216.73.216.111 Your IP DNS Lookup DNS Propagation Checker SPF Record Lookup A Record Lookup AAAA Record Lookup CNAME Record Lookup TXT Record Lookup MX Record Lookup

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us-smtp-o365-outbound-2.mimecast.com SPF records

Queried just now

No SPF records No SPF records found for us-smtp-o365-outbound-2.mimecast.com.

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