WWW.RTSAK.COM - 138.4.42.1.in-addr.arpa
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138.4.42.1.in-addr.arpa checked at 2025-11-06T07:11:49.177Z 696ms 16/16/16 100% R:14138.4.42.1.in-addr.arpa
| PTR | n1-42-4-138.adl2.sa.optusnet.com.au | ||||||
| A | 1.42.4.138🇦🇺 Optus Internet | ||||||
| PTR | n1-42-4-138.adl2.sa.optusnet.com.au | ||||||
4.42.1.in-addr.arpa
| NS | dnsappsvc.mel.optusnet.com.au | ||||||
| NS | dnsappsvc.syd.optusnet.com.au | ||||||
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