IPLIST.NET - 21.21.255.128.in-addr.arpa
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21.21.255.128.in-addr.arpa checked at 2025-10-05T22:30:33.562Z 535ms 16/16/16 100% R:1321.21.255.128.in-addr.arpa
| PTR | dns3.engr.uiowa.edu | ||||||
| A | 128.255.21.21🇺🇸 University of Iowa | ||||||
| PTR | dns3.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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