DNSWHOIS.INFO - 21.80.12.192.in-addr.arpa
Search for IP or hostnames:
21.80.12.192.in-addr.arpa checked at 2025-10-30T18:36:40.779Z 230ms 16/16/16 100% R:821.80.12.192.in-addr.arpa
| PTR | speedtest-seb.umnet.umich.edu | ||||||
| A | 192.12.80.21🇺🇸 UMICH-ASN1 | ||||||
| PTR | speedtest-seb.umnet.umich.edu | ||||||
80.12.192.in-addr.arpa
| NS | dns3.umich.org | ||||||
| NS | dns1.itd.umich.edu | ||||||
| NS | dns2.itd.umich.edu | ||||||
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