IPLIST.NET - 21.53.137.216.in-addr.arpa
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21.53.137.216.in-addr.arpa checked at 2025-10-16T03:42:24.270Z 205ms 15/15/15 100% R:1021.53.137.216.in-addr.arpa
| PTR | server-216-137-53-21.mrs52.r.cloudfront.net | ||||||
| A | 216.137.53.21 | ||||||
| PTR | server-216-137-53-21.mrs52.r.cloudfront.net | ||||||
53.137.216.in-addr.arpa
| NS | dns-external-master.amazon.com | ||||||
| NS | pdns5.ultradns.info | ||||||
| NS | pdns1.ultradns.net | ||||||
| NS | pdns2.ultradns.net | ||||||
| NS | pdns3.ultradns.org | ||||||
| NS | pdns4.ultradns.org | ||||||
| NS | pdns6.ultradns.co.uk | ||||||
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