7/2/2023 0 Comments Recordit local(left-hand) side of a DNS entry can be incorrectly identified as "the CNAME" or "a CNAME." However, this is inaccurate. With a CNAME record, one can point a name such as " " to " ." Because of this, during casual discussion the. When an A record lookup for is carried out, the resolver will see a CNAME record and restart the checking at and will then return 192.0.2.23. (If the resolver is specifically told to look for CNAME records, the canonical name (right-hand side) is returned, rather than restarting the query.) The canonical name that a CNAME record points to can be anywhere in the DNS, whether local or on a remote server in a different DNS zone.įor example, if there is a DNS zone as follows: When a DNS resolver encounters a CNAME record while looking for a regular resource record, it will restart the query using the canonical name instead of the original name. Then, if the IP address ever changes, one only has to record the change in one place within the network: in the DNS A record for .ĬNAME records must always point to another domain name, never directly to an IP address.ĭNS CNAME records are specified in RFC 1034 and clarified in Section 10 of RFC 2181.ĬNAME records are handled specially in the domain name system, and have several restrictions on their use. One can, for example, use CNAME records to point and to the DNS entry for, which in turn has an A record which points to the IP address. This can prove convenient when running multiple services (like an FTP server and a web server, each running on different ports) from a single IP address. His identity has not been released.For RTCP CNAME records, see RTP Control Protocol.Ī Canonical Name (CNAME) record is a type of resource record in the Domain Name System (DNS) that maps one domain name (an alias) to another (the canonical name). Michigan State Police said the incident is under investigation. The man was pronounced dead at the scene. We're supposed to be here to help our brothers and sisters. "We gotta find empathy and compassion again. Potter said witnesses at the scene "stopped to record but no one stopped to help." "The EMS ran up to us, checked his pulse and said, 'Honey, he's gone.' " Potter slammed her brakes, left her phone in the car and gave CPR until first responders arrived. More: Police: Warren woman records boyfriend loading gun moments before her murder More: Chief: Detroit sergeant suspended for staying in car during fatal cop shooting "He didn't slow down or hesitate," Potter said "There's no way anyone could've stopped in time." She said she saw the man jump the median and was only two cars behind when he was hit. The incident happened on the city's west side as the man tried to cross Southfield near Grand River. Michigan State Police said he crossed the northbound lanes but was struck by two vehicles on the southbound side of M-39 after crossing the median.Īngela Potter said she was on her way home from work, saw the incident and tried to help. A 36-year-old man was killed trying to cross the Southfield Freeway Monday night in Detroit, authorities said.Īnd according to one witness, all but one bystander pulled out their cell phones to record the incident rather than stop to help.
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