DNSWHOIS.INFO - 1.a.1.5.6.6.e.f.f.f.7.8.7.1.8.4.7.1.0.0.5.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa

Search for IP or hostnames:

1.a.1.5.6.6.e.f.f.f.7.8.7.1.8.4.7.1.0.0.5.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa checked at 2025-10-16T14:01:50.367Z 341ms 20/20/20 100% R:10

`1.a.1.5.6.6.e.f.f.f.7.8.7.1.8.4.7.1.0.0.5.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa`

PTR	`srv.system21.it`
		A	2a03:4000:35:17:4817:87ff:fe66:51a1 ^{🇩🇪 netcup GmbH}
			PTR	`srv.system21.it`
		A	195.128.102.149^{🇩🇪 netcup GmbH}
			PTR	`srv.system21.it`

`a.1.5.6.6.e.f.f.f.7.8.7.1.8.4.7.1.0.0.5.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa`

Starts with same word

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1.serveftp.com

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