WWW.RTSAK.COM - 31.20.59.128.in-addr.arpa
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31.20.59.128.in-addr.arpa checked at 2025-10-04T03:08:54.059Z 100ms 16/16/16 100% R:1131.20.59.128.in-addr.arpa
| PTR | mercury.cs.columbia.edu | ||||||
| A | 128.59.20.31🇺🇸 Columbia University | ||||||
| PTR | mercury.cs.columbia.edu | ||||||
20.59.128.in-addr.arpa
| NS | ext-ns1.columbia.edu | ||||||
| NS | ext-ns2.columbia.edu | ||||||
| NS | apollo.cs.columbia.edu | ||||||
| NS | diana.cs.columbia.edu | ||||||
| NS | sundog.ee.columbia.edu | ||||||
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