IPLIST.NET - 103.193.21.72.in-addr.arpa
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103.193.21.72.in-addr.arpa checked at 2025-10-15T15:19:44.319Z 174ms 16/16/16 100% R:11103.193.21.72.in-addr.arpa
| PTR | smtp-out-193-103.amazon.com | ||||||
| A | 72.21.193.103🇺🇸 Amazon | ||||||
| PTR | smtp-out-193-103.amazon.com | ||||||
193.21.72.in-addr.arpa
| NS | x1.amazonaws.com | ||||||
| NS | x2.amazonaws.com | ||||||
| NS | pdns1.ultradns.net | ||||||
| NS | x3.amazonaws.org | ||||||
| NS | x4.amazonaws.org | ||||||
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