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Learning DNS for Developers

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amazon.com 216.73.216.59 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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103.163.152.144 Reverse DNS

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1 Issue

This IP has multiple PTR records

mx.zoho.jp
mx3.zoho.jp
mx2.zoho.jp