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amazon.com 216.73.216.14 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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132.239.2.218 Reverse DNS

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This IP has multiple PTR records

sender.ucsd.edu
outboound.ucsd.edu
bulkmail.ucsd.edu
its-smtp-cub-2.ucsd.edu