Quick Answer: Can You Have Multiple Cname Records?

While you are allowed to create multiple A and CNAME records for the same destination, you can set only one A and CNAME record per source or host name.

How many Cname records can a domain have?

The DNS resolves the system’s domain name to its IP address, but sometimes more than one domain name resolves to the same IP address, and this is where the CNAME is useful. A machine can have an unlimited number of CNAME aliases, but a separate CNAME record must be in the database for each alias.

Can you have multiple A records?

You can do a lot with A records, including using multiple A records for the same domain in order to provide redundancy. Additionally, multiple names could point to the same address, in which case each would have its own A record pointing to that same IP address. The DNS A record is specified by RFC 1035.

What happens when a zone contains two Cname records with the same name?

2 Answers. Multiple CNAME records for the same fully-qualified domain name is a violation of the specs for DNS. If a CNAME RR is present at a node, no other data should be present; this ensures that the data for a canonical name and its aliases cannot be different.

What is a Cname record example?

A CNAME, or Canonical Name record, is a record that points to another domain address rather than an IP address. For example, say you have several subdomains, like www.mydomain.com, ftp.mydomain.com, mail.mydomain.com etc and you want these sub domains to point to your main domain name mydomain.com.

Is WWW a Cname?

A CNAME, or Canonical Name record, is a record that points to another domain address rather than an IP address. For example, say you have several subdomains, like www.mydomain.com, ftp.mydomain.com, mail.mydomain.com etc and you want these sub domains to point to your main domain name mydomain.com.

Does a Cname redirect?

CNAME record is actually not a redirect type record but often mistakenly used as such. The main difference between CNAME and other redirects is that CNAME is just a DNS record type (similar to A, TXT and other DNS level records) while 301, 302 redirects and URL frames are hosting server-powered redirects.

What is difference between Alias and Cname?

These are the main differences: The A record maps a name to one or more IP addresses when the IP are known and stable. The CNAME record maps a name to another name. The ALIAS record maps a name to another name, but can coexist with other records on that name.

Can a Cname point to another Cname?

Restrictions on CNAME Records

CNAME records must point to another domain name, never to an IP address. CNAME records can point to other CNAME records, but this is not considered a good practice as it is inefficient. MX and NS records must never point to a CNAME alias.

Can a Cname point to an IP address?

No, a CNAME RR cannot “point” (or contain as its data) an IP Address, because it is defined that way in the Internet Engineering Task Force (IETF) standards that specify the data formats and protocols of the Domain Name Systems (DNS).

Does a record override Cname?

Further, a record with the specific name requested will always override a wildcard or default record. You appear to be mixing two things: As @Irosa says, a CNAME must point to a domain name, not an IP address. With wildcard records, a more specific entry will always override the wildcard entry.

Do I need an A record for www?

There is no rule that the www. address needs to be an A record. It is very common for a web site to be a CNAME to something else.

Is WWW a subdomain?

Technically, it’s a subdomain traditionally used to indicate that a site is part of the web, as opposed to some other part of the Internet like Gopher or FTP. There is nothing special about the “www” subdomain other than tradition. Any string of letters can be used in a subdomain.

Does a Cname need an A record?

Usage of CNAME records means that there is an additional request sent to the DNS servers, which can cause a delay of a few milliseconds. You cannot create a CNAME record for the main domain name (mydomain.com) itself, this must be an A record.

What is the difference between an A record and a Cname?

There are important differences between these two records. The CNAME record points a name to another name instead of to an IP. An A record points a name to an IP . A CNAME record can point a name to another CNAME or to an A record.

What is DNS redirect?

DNS redirection was the controversial practice of serving a Web page to a user that is different from either the one requested or one that might reasonably be expected. DNS redirection differs from DNS poisoning, in which an attacker gains access to a server’s DNS table and substitutes a rogue address for a valid one.

Can a Cname point to multiple A records?

According to the standards you can have multiple DNS records for the same host name as long as they point to different endpoints. This is the same for A, AAAA, CNAME, MX, etc. As long as your site exists on all the servers you are pointing to then you can configure CNAME records for each and every hostinger.net server.

Can a Cname point to a subdirectory?

DNS can only point to an ip-address (A-redord) or be an alias (CNAME) of some other domain name. DNS is not capable of pointing to a subdirectory. So in reality the domain name points at their webserver, their webserver either fetch the content of your subdirectory or redirect to it.

What is DNS TTL?

TTL (Time to Live) is a setting for each DNS record that specifies how long a resolver is supposed to cache (or remember) the DNS query before the query expires and a new one needs to be done.