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isp Tag

01 May

Dynamic IP

by Leandro Rodrigues
in Geral
Comments

Static IP is allocated to an ISP client under assurance that such IP will never be changed. This warranty is given under a contract between the parties. In contrast, dynamic IP is allocated to the client without any guarantee that it will not be changed by the ISP.   Some people believe that the dynamic IP is one that is constantly changed by the ISP. But this...

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28 Apr

Generic rDNS

by Leandro Rodrigues
in Geral
Comments

Generic rDNS refers to a sequential name pattern for a large set of IPs in a datacenter or ISP. The generic rDNS is immediately set when the ISP receives the IP block, much before the IP is allocated on a real machine. Therefore, generic rDNS is a name given to IP and not a name given to host.   Examples of generic rDNS   Generic rDNS usually follows a...

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