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A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a * as the leftmost label (part) of a domain name, e.g. *.example.com. The exact rules for when a wildcard will match are specified in RFC 1034, but the rules are neither intuitive nor clearly ...
I get the sense, from reading the wildcards part of RFC1034, that Paul was just codifying in an RFC the consequence of how an early DNS server stored its records in memory. Samboy 09:20, 9 October 2005 (UTC) As of MaraDNS 1.2.02, MaraDNS now has the ability to optionally handle wildcards in a more RFC-compliant manner.
A wildcard mask is a mask of bits that indicates which parts of an IP address are available for examination. In the Cisco IOS, [1] they are used in several places, for example: To indicate the size of a network or subnet for some routing protocols, such as OSPF. To indicate what IP addresses should be permitted or denied in access control lists ...
For example, if there is both an A and an MX for a name, but the name server has only the A record cached, only the A record will be returned. Usually referred to as ANY (e.g., in dig , Windows nslookup , and Wireshark ).
Wild card most commonly refers to: Wild card (cards), a playing card that substitutes for any other card in card games; Wild card (sports), a tournament or playoff place awarded to an individual or team that has not qualified through normal play; Wild card, wild cards or wildcard may also refer to:
Tesla and X CEO Elon Musk spent over a quarter of a billion dollars to help get President-elect Donald Trump back in the White House, according to newly released campaign finance records. The ...
Wildcard Servers with this feature can publish information for wildcard records, which provide data about DNS names in DNS zones that are not specifically listed in the zone. Split horizon Servers with the split-horizon DNS feature can give different answers depending on the source IP address of the query.
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