The number of DNSs to query (NameServer/NSInterAddr).The number of domain names in the SEARCH list.The following TCPIP.DATA statements can influence the amount of time it takes to resolve a host name: The following describes the common usage of UDP (the ResolveVia UDP TCPIP.DATA statement) to query Domain Name Servers (DNS) to resolve a host name to its IP addresses. ![]() See the z/OS Communications Server IP Configuration Guide for information on resolver caching. ![]() In order to populate the cache a DNS needs to respond to a resolver query that processing is described below. If the host name data is in the cache the cache contents will be used for completing the resolution request. Starting with z/OS V1R11 the resolver supports caching of DNS responses. If the resolution request cannot be satisfied by the DNS or if no DNS usage is indicated then local host tables are used. ![]() The default behavior of the z/OS Communications Server resolver is to attempt to use any configured Domain Name Servers (DNS) for resolution requests.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |