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amazon.com 216.73.216.60 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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121.111.247.210 Reverse DNS

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This IP has multiple PTR records

210.192h.247.111.121.in-addr.arpa
web-mail3.iris.co.jp