WWW.RTSAK.COM - 20.21.255.128.in-addr.arpa
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20.21.255.128.in-addr.arpa checked at 2025-10-03T03:10:44.705Z 2824ms 20/20/20 100% R:1320.21.255.128.in-addr.arpa
| PTR | dns2.engr.uiowa.edu | ||||||
| A | 2620:0:e50:7021::80ff:1514 🇺🇸 University of Iowa | ||||||
| PTR | dns2.engr.uiowa.edu | ||||||
| A | 128.255.21.20🇺🇸 University of Iowa | ||||||
| PTR | dns2.engr.uiowa.edu | ||||||
21.255.128.in-addr.arpa
| NS | dns1.uiowa.edu | ||||||
| NS | dns2.uiowa.edu | ||||||
| NS | dns3.uiowa.edu | ||||||
| NS | dns2.engr.uiowa.edu | ||||||
| PTR | rtr-sc02.engr.uiowa.edu | ||||||
| NS | dns1.icaen.uiowa.edu | ||||||
| NS | dns2.icaen.uiowa.edu | ||||||
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