dhcp-107:~ 66% host -t ptr 8.8.8.8.in-addr.arpa 8.8.8.8.in-addr.arpa domain name pointer any-in-0808.1e100.net. dhcp-107:~ 67% host -t ptr 4.4.8.8.in-ad

dhcp-107:~ 66% host -t ptr 8.8.8.8.in-addr.arpa 8.8.8.8.in-addr.arpa domain name pointer any-in-0808.1e100.net. dhcp-107:~ 67% host -t ptr 4.4.8.8.in-addr.arpa Host 4.4.8.8.in-addr.arpa not found: 3(NXDOMAIN)