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amazon.com 216.73.216.30 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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137.189.31.125 Reverse DNS

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This IP has multiple PTR records

ddi-gm.itsc.cuhk.edu.hk
ddi-gm1.itsc.cuhk.edu.hk