Time to live (TTL) determines how long to cache either a query or content. Learn how time to live (TTL) works & how it impacts your website.
A records only hold IPv4 addresses. If a website has an IPv6 address, it will instead use an "AAAA" record. Here is an example of an A record: example.comrecord type:value:TTL @ A 192.0.2.1 14400 The "@" symbol in this example indicates that this is a record for the root domain...
DNS data can be cached in a variety of locations, each of which will store DNS records for a set amount of time determined by a time-to-live (TTL). Browser DNS caching Modern web browsers are designed by default to cache DNS records for a set amount of time. The purpose here is ...
records to connect that user with the corresponding IP address and resolve all other issues. DNS records are stored on authoritative DNS servers also known as authoritative nameservers. They contain information on how frequently a server will refresh the DNS record, known as time-to-live (TTL)....
What is DNS caching? When a DNS client stores DNS records locally, it’s called DNS caching. Caching lets clients produce information about web pages associated with given domain names without having to perform DNS queries. The domain name system also implements a time-to-live (or TTL) on...
21600 denotes the Time To Live (TTL), which is the amount of time a DNS request is kept in memory. IN stands for Internet, and NS stands for Name Server. Usage of NS Records Nameserver records specify the primary and secondary DNS servers responsible for a zone. The primary is responsibl...
Domain Name Server (DNS) spoofing, or DNS cache poisoning, is an attack involving manipulating DNS records to redirect users toward a fraudulent, malicious website that may resemble the user’s intended destination. Once on the fraudulent site, users are deceived into logging in to what they be...
A CNAME record, short for Canonical Name record, is a type of DNS record that maps an alias name to a true or canonical domain name. This DNS entry is commonly used when you want to associate a new subdomain with an existing domain's DNS records. ...
An AAAA record, sometimes called a quad A record, is a type of DNS record that maps a domain name to an IPv6 address, allowing devices to connect over IPv6 networks. The A, in this case, stands for address. AAAA records function similarly to A records, except that they point to IP...
What is TTL in DNS? TTL stands for time to live (TTL). When a server stores a DNS record in its cache, the TTL dictates how long it should store the information for. The longer the time to live, the longer the server stores the information. ...