Post by nelsonelias on Feb 20, 2024 14:45:26 GMT 8
TTL is the time a free name configuration record (record) can exist on the internet, remembered by an intermediate DNS server or router . Accordingly, let's join Mat Bao to learn in more detail about the concept of "What is TTL?" as well as other configuration information! What is TTL? TTL is the acronym for time to live TTL is the acronym for time to live TTL (acronym for Time to live, roughly translated as "Time to live") is a specialized concept used in the field of information technology. The TTL concept is also used in CDN caching and DNS caching . TTL values are usually measured in seconds. Accordingly, the larger the TTL, the longer the DNS server will remember the information. This means that when changing the website domain name on the main DNS, the time to update information on the intermediate DNS server will be slow. In addition to TTL, there are some other basic concepts related to DNS servers that we need to learn, namely CNAME , DomainKeys and DKIM . What is DNS? DNS is the abbreviation for Domain Name System, the full meaning of which is a domain name resolution system.
DNS was invented in 1984 for the Internet, a system that allows establishing correspondence between IP addresses and domain names. Mat Bao domain name protection service For details, please see the article: What is DNS? The importance of DNS in the networking world Concepts related to TTL What are the terms related to TTL? In this section, Mat Bao will provide knowledge related to what TTL is to help Loan Phone Number List readers better understand it. Let's learn more about: CNAME DomainKeys DKIM (DomainKeys Identified Mail) What is ttl? Besides TTL, you also need to know other concepts used in DNS Besides TTL, you also need to know other concepts used in DNS What is CNAME? CNAME (acronym for Canonical name record) is an alias record. CNAME has the ability to attach multiple domain names to the same server. Or to put it more easily, it helps an IP address to be pointed to by many domain names at the same time. What are DomainKeys? DomainKeys is a form of email authentication created by the system for the purpose of verifying the DNS domain name of an email and sending integrated messages.
Through the internet mail system, the characteristics of DomainKeys are used to create a protocol called DKIM (DomainKeys Identified). What is DKIM (DomainKeys Identified Mail)? DKIM is an authentication method created to detect fake emails. It authenticates emails using the sending domain's digital signature, where the public key is typically recorded publicly on DNS as a TXT record . For a digital signature to be considered valid, you need to ensure that some parts of the email (possibly including attachments) are not modified after the signature is added. Usually, the DKIM digital signature is not displayed to the end user but is read and confirmed by the system. DKIM has 2 main tasks, which are: Help your email not be misunderstood as spam. Is an effective method to help authenticate email origin. Note, DKIM only has the effect of authenticating the message as real (with clear sender address, real domain name), not anti-spam.
DNS was invented in 1984 for the Internet, a system that allows establishing correspondence between IP addresses and domain names. Mat Bao domain name protection service For details, please see the article: What is DNS? The importance of DNS in the networking world Concepts related to TTL What are the terms related to TTL? In this section, Mat Bao will provide knowledge related to what TTL is to help Loan Phone Number List readers better understand it. Let's learn more about: CNAME DomainKeys DKIM (DomainKeys Identified Mail) What is ttl? Besides TTL, you also need to know other concepts used in DNS Besides TTL, you also need to know other concepts used in DNS What is CNAME? CNAME (acronym for Canonical name record) is an alias record. CNAME has the ability to attach multiple domain names to the same server. Or to put it more easily, it helps an IP address to be pointed to by many domain names at the same time. What are DomainKeys? DomainKeys is a form of email authentication created by the system for the purpose of verifying the DNS domain name of an email and sending integrated messages.
Through the internet mail system, the characteristics of DomainKeys are used to create a protocol called DKIM (DomainKeys Identified). What is DKIM (DomainKeys Identified Mail)? DKIM is an authentication method created to detect fake emails. It authenticates emails using the sending domain's digital signature, where the public key is typically recorded publicly on DNS as a TXT record . For a digital signature to be considered valid, you need to ensure that some parts of the email (possibly including attachments) are not modified after the signature is added. Usually, the DKIM digital signature is not displayed to the end user but is read and confirmed by the system. DKIM has 2 main tasks, which are: Help your email not be misunderstood as spam. Is an effective method to help authenticate email origin. Note, DKIM only has the effect of authenticating the message as real (with clear sender address, real domain name), not anti-spam.