N10-005 · Question #609
Which of the following DNS records would allow for a website to have more than one FQDN?
The correct answer is D. CNAME. A CNAME (Canonical Name) record creates an alias that points one FQDN to another FQDN. This allows a single web server to be reachable under multiple domain names (e.g., www.example.com and shop.example.com both pointing to the same canonical host). TXT records store arbitrary…
Question
Which of the following DNS records would allow for a website to have more than one FQDN?
Options
- ATXT
- BPTR
- CMX
- DCNAME
How the community answered
(34 responses)- A3% (1)
- C3% (1)
- D94% (32)
Explanation
A CNAME (Canonical Name) record creates an alias that points one FQDN to another FQDN. This allows a single web server to be reachable under multiple domain names (e.g., www.example.com and shop.example.com both pointing to the same canonical host). TXT records store arbitrary text data (used for SPF, DKIM, domain verification). PTR records perform reverse DNS lookups, mapping an IP address back to a hostname. MX records specify the mail server(s) responsible for accepting email for a domain. Only CNAME enables multiple FQDNs to resolve to the same destination.
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