For details about how to allow the port, see Adding a Security Group Rule. Checking DNS configurations Log in to the server and run the following command to check whether the DNS of the server can resolve the domain name for downloading the agent: ping -c 1 hss-agent.RegionCode.my...
The DNS name server can resolve domain names to both IPv4 and IPv6 addresses.DNS settings for your domainWhether a third-party host your DNS server or you manage it in-house, you need to configure it for each host type you're using. Host types include web, email, or other services ...
Reverse DNS (rDNS) is a process that determines the domain name associated with a specific IP address. Simply put, reverse DNS allows you to identify a domain name, likephoenixnap.com, from its IP address, such as198.15.93.98. Resolving an IP address back to its domain name improves the r...
DNS uses both TCP and UDP port 53 The most frequently used port for DNS is UDP 53. This is used when a client device (e.g a computer, smartphone etc) communicates with a DNS server in order to resolve a specific domain name (as described above). Keep in mind that when using UDP ...
The recursive server’s job is to resolve the DNS query by finding the correct IP address associated with the domain name. The recursive query resolver first checks its cache. If the DNS query isn’t cached, it starts the search by contacting higher-level DNS servers. 3. Root DNS server...
Could not resolve host: Unknown error On the node, ping the domain name that cannot be resolved in the previous step to check whether the domain name can be resolved on the node. If not, the DNS cannot resolve the IP address. Check whether the DNS address in the/etc/resolv.conffile is...
For example, if everyone in an office needs to access the same training video on a particular website on the same day, the local DNS server would only have to resolve the name once, and then it can serve all the other requests out of its cache. The length of time the record is held...
If you own the website or domain and you want to resolve this error, here are some tips to follow: How to Solve a Common Name Mismatch Error You could be having this issue for several reasons, so you should start with a thorough analysis. Start by entering the domain of your website...
The domain name server (sometimes referred to as the second-level domain name server) holds the zone file with the IP address for the full domain name, such as “ibm.com.” How does DNS work? Every query (sometimes called a DNS request) in the DNS follows the same logic to resolve IP...
So you've received a critical risk finding for SSL not available, which means your domain does not have an SSL certificate installed on the server. To resolve this finding, you can generate and supply an up-to-date SSL/TLS certificate on your site. SSL, which stands for secure sockets la...