WWW.RTSAK.COM - cc-ib-gridmaster-1.net.columbia.edu
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cc-ib-gridmaster-1.net.columbia.edu checked at 2025-11-17T18:03:40.056Z 255ms 19/19/19 100% R:10 allDone:true timedOut:false cc-ib-gridmaster-1.net.columbia.edu
| A | 128.59.1.20🇺🇸 Columbia University | ||||||
| PTR | cc-ib-gridmaster-1.net.columbia.edu | ||||||
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cc-ib-gridmaster-1.net.columbia.edu points to a single IP number: 128.59.1.20.
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