WWW.RTSAK.COM - 4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.4.0.5.0.8.3.6.0.1.0.0.2.ip6.arpa

Search for IP or hostnames:

4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.4.0.5.0.8.3.6.0.1.0.0.2.ip6.arpa checked at 2025-09-23T08:10:51.695Z 487ms 20/20/20 100% R:14

`4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.4.0.5.0.8.3.6.0.1.0.0.2.ip6.arpa`

PTR	`auth1.dns.techfak.uni-bielefeld.de`
		A	2001:638:504:2000::54 ^{🇩🇪 DFN Deutsches Forschungsnetz e.V.}
			PTR	`auth1.dns.techfak.uni-bielefeld.de`
		A	129.70.132.13^{🇩🇪 DFN Deutsches Forschungsnetz e.V.}
			PTR	`auth1.dns.techfak.uni-bielefeld.de`

`5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.4.0.5.0.8.3.6.0.1.0.0.2.ip6.arpa`

Starts with same word

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4.in-addr.arpa

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