Domain Name System Query Response

Dns server response the query to client machine and translate it ip address of domain name.

Domain name system query response. This could be the result of entering www firewall cx in the url field of your web browser or simply by launching a program that uses the internet and therefore generates dns queries in order to successfully communicate with the host or server it needs. Dns stores the database of all. As mentioned in the previous sections of the dns protocol a dns query is generated when the client needs to resolve a domain name into an ip address.

The qr bit the msb in the 3rd octet in the header indicates whether the packet is a request 0 or a response 1. Expand domain name system query in the packet details pane. The error messages tell you that a response was received that was flagged as a request.

Then expand the flags and queries. Dns which stands for domain name system is used as the medium to translate domain names to their respective ip addresses when a client initiates a request query. Select the corresponding response dns packet labeled standard query response 0x0002 a www.

All clients must therefore send packets with that bit clear and the server must send it back with that bit set. The browser will direct the query on dns server of respective domain name in order to obtain an ip address. Dns analysis server response.