Filter the hostname

Filter the DNS Hostname Premium Membership

The advertiser can exclude impressions that derive from a specific DNS-Hostname. With the help of hostnames, individual network operators can be identified.

For example: A hostname allows to identify the network operator. For example: a typical hostname of a device that is connected to the network of the Deutsche Telekom would be * .t ipconnect.de. If this hostname is selected, the advertised website will no longer receive impressions from that device.

Filter the DND-Hostname

What is a hostname?

Each network-capable device can be reached via a separate IP address (example: 192.168.0.254). A hostname is a name for this IP address. Instead of an arbitrary sequence of numbers, the server receives a name under which it can be reached on the Internet. This facilitates his identification. In short, the host name (plural: hostnames) is the name of a device under which it is addressed in a network.

A hostname is not the name of a domain. Domain names and hostnames use similar patterns, so it is highly unlikely that a hostname and domain name will follow the same syntax or pattern (numbers, letters, and dashes that do not begin or end with a hyphen). A host name is used primarily for electronic data exchange (e-mail, server, FTP).

Since when do hostnames exist?

The transfer of an IP address into alphabetical hostnames was completed shortly after the introduction of the ARPANET in the late sixties. Even then, there was a need to assign a rich name to numeric, semantically insignificant IP addresses.

However, in the 1970's, the infrastructure of the underlying network was still based on numeric addresses, so each web page maintained a hosts.txt file, which provided an association between hostnames and relevant network addresses in a series of simple text data sets that a person could easily read.


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