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For more information, see Public IPv4 Addresses and External DNS Hostnames in the is the reverse lookup IP address).You can use the private DNS hostname for communication between instances in the same network, but we can't resolve the DNS hostname outside the network that the instance is in.A public (external) DNS hostname takes the form for other Regions.
Each Amazon EC2 instance limits the number of packets that can be sent to the Amazon-provided DNS server to a maximum of 1024 packets per second per network interface. The number of DNS queries per second supported by the Amazon-provided DNS server varies by the type of query, the size of response, and the protocol in use.
For more information and recommendations for a scalable DNS architecture, see the Hybrid Cloud DNS Solutions for Amazon VPC whitepaper.
, queries to the Amazon provided DNS server at the 169.254.169.253 IP address, or the reserved IP address at the base of the VPC IPv4 network range plus two will succeed. The Amazon DNS server can resolve private DNS hostnames to private IPv4 addresses for all address spaces, including where the IPv4 address range of your VPC falls outside of the private IPv4 addresses ranges specified by RFC 1918.
Important If you created your VPC before October 2016, the Amazon DNS server does not resolve private DNS hostnames if your VPC's IPv4 address range falls outside of the private IPv4 addresses ranges specified by RFC 1918.
You can view the DNS hostnames for a running instance or a network interface using the Amazon EC2 console or the command line.
To view DNS hostnames for an instance using the console If you want to access the resources in your VPC using custom DNS domain names, such as example.com, instead of using private IPv4 addresses or AWS-provided private DNS hostnames, you can create a private hosted zone in Route 53.
Step 2: Login to your camera administration (see how) using the local IP address. Please mind there are lots of camera brands & camera models & different FW versions and each of them might have this section on different place or even called differently. Step 4: First click on "DDNS" and then "enable" this function.
There usually is a dropdown with multiple dynamic DNS providers.
For more information, see Enabling Classic Link DNS Support in the .
Otherwise, private hosted zones do not support transitive relationships outside of the VPC; for example, you cannot access your resources using their custom private DNS names from the other side of a VPN connection.