WWW.RTSAK.COM - 57.30.145.136.in-addr.arpa
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57.30.145.136.in-addr.arpa checked at 2025-09-27T15:31:05.933Z 156ms 19/19/19 100% R:1357.30.145.136.in-addr.arpa
| PTR | admin.uprm.edu | ||||||
| A | 136.145.30.57🇵🇷 University of Puerto Rico | ||||||
| PTR | admin.uprm.edu | ||||||
30.145.136.in-addr.arpa
| NS | dns1.uprm.edu | ||||||
| A | 136.145.30.2🇵🇷 University of Puerto Rico | ||||||
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57.cn |
57.com.tw |
57.gg |
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57.la |
57.am |
57.de |
57.amsterdam |
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