Can a hostname have multiple IP addresses?

When a host has multiple IP addresses, and a local host name is defined for each IP address in the hosts file, you can only specify the host name output by the hostname command as the Target host setting for an automated action. An example is shown below. … 0.10 hostA 200.0.

How many IP addresses can a host have?

The 255 address (in binary notation, a host address of all ones) is used to broadcast a message to every host on a network. Just remember that the first and last address in any network or subnet can’t be assigned to any individual host. You should now be able to give IP addresses to 254 hosts.

How do I add multiple IP addresses to a host file?

Easy to setup, please follow the instruction:

  1. install dnsmasq.
  2. edit /etc/resolv.conf and set «nameserver 127.0.0.1» as a first DNS.
  3. add normal DNS as alternative (google one for example) «nameserver 8.8.8.8» as a second line.
  4. make sure two required records are in your /etc/hosts file.

Can a DNS name have multiple IP addresses?

DNS can hold multiple records for the same domain name. DNS can return the list of IP addresses for the same domain name. When a web-browser requests a web-site, it will try these IP addresses one-by-one, until it gets a response.

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Can a server have multiple host names?

Name-based and IP-based virtual hosting can be combined: a server may have multiple IP addresses and serve multiple names on some or all of those IP addresses. This technique can be useful when using SSL/TLS with wildcard certificates. For example, if a server operator had two certificates, one for *.

Can 2 devices have the same IP address?

The Question

As I understand it, two computers cannot have the same public (external) IP address unless they are connected via the same router. If they are connected via the same router, then they can have (share) the same public IP address yet have different private (local) IP addresses.

How many IP addresses should you have?

Many people walk around today with three or more IP addresses on their person. Your laptop computer, smartphone, tablet and eReader all have IP addresses if they connect to the Internet, so that’s four addresses right there.

Why are there multiple IP addresses associated with a single domain name?

Why are there multiple IP addresses associated with a single domain name (e.g. and )? The configuration in each network assigns different DNS servers for IP address lookup, which can lead to different IP addresses for one site. The main reason for this is to decrease congestion in the network10.

What is the reason of having several IP addresses as an output?

Using different IP addresses segmented based on particular mail streams is another legitimate reason for using multiple IP addresses. Since each IP address maintains its own deliverability reputation, segmenting each mail stream by IP address keeps the reputation of each mail stream separate.

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What is DNS round robin configuration?

Round-robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts, e.g., Web server, FTP servers, by managing the Domain Name System’s (DNS) responses to address requests from client computers according to an appropriate statistical …

What is target host name?

The host field should be filled in with either a hostname or an IP address. For externally available sites, the hostname should be formatted as www.hostname.com. If the target is an IP address, it can be formatted as either an IPv4 or IPv6 address.