What is TTL for DNS record?

Time To Live
Time To Live (TTL) The TTL is a value in a DNS record that determines the number of seconds before subsequent changes to the record go into effect. Each of your domain’s DNS records, such as an MX record, CNAME record, and so on, has a TTL value.

How do I change DNS TTL in Windows?


  1. Sign into the Account Center.
  2. Click the domain you want to edit.
  3. Under DNS & ZONE FILES, click on Edit DNS Zone File.
  4. Scroll down to the Additional Zone Actions tool, click on the Lower TTL button.
  5. Click the Raise TTL button to return the value back to the default 12 hours interval.

How do I find TTL on a DNS record?

Find Out Time-To-Live (TTL) for a DNS record

  1. Open the terminal application on your Linux/macOS/Unix desktop.
  2. Type dig TYPE DomainNameHere NS1-AUTHNAME-SERVER-HERE and note down TTL from the answer section.

What is the minimum TTL for DNS?

30 seconds
One thing to keep in mind, the lowest TTL in DNS Made Easy is 30 seconds. That’s because resolving name servers will usually only pay attention to TTL’s that are 30 seconds or highers.

What is the minimum TTL value?

TTL is set in seconds, and the lowest value possible is 600 seconds (10 minutes). The highest possible value is 86400 seconds (24 hours). If you leave the field empty, the default value is 3600 seconds (1 hour).

How long do DNS changes take?

DNS propagation is the time frame it takes for DNS changes to be updated across the Internet. A change to a DNS record—for example, changing the IP address defined for a specific hostname—can take up to 72 hours to propagate worldwide, although it typically takes a few hours.

What should I set my TTL to?

Generally, we recommend a TTL of 24 hours (86,400 seconds). However, if you are planning to make DNS changes, you should lower the TTL to 5 minutes (300 seconds) at least 24 hours in advance of making the changes. After the changes are made, increase the TTL back to 24 hours.

What is the lowest TTL setting?

What is the fastest TTL?

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What is default TTL value?

Default TTL and Hop Limit Values Linux kernel 2.4 (circa 2001): 255 for TCP, UDP and ICMP. Linux kernel 4.10 (2015): 64 for TCP, UDP and ICMP. Windows XP (2001): 128 for TCP, UDP and ICMP. Windows 10 (2015): 128 for TCP, UDP and ICMP.

Why DNS changes take so long?

Why Does DNS Propagation Take So Long? For each website, they perform a DNS lookup once, and then use the result for as many users as possible. Some ISPs ignore TTL settings, and retain DNS records in cache even if the TTL period has already expired. This can cause propagation to take longer.

How to check TTL DNS?

Find Out Time-To-Live (TTL) for a DNS record Open the terminal application on your Linux/macOS/Unix desktop Type dig TYPE DomainNameHere NS1-AUTHNAME-SERVER-HERE and note down TTL from the answer section To find TTL value directly from the authoritative DNS server, pass the +noauthority +noquestion +noadditional +nostats option to dig command

What is TTL in DNS and how does it work?

Time To Live , or TTL for short, is the sort of expiration date that is put on a DNS record. The TTL serves to tell the recursive server or local resolver how long it should keep said record in its cache . The longer the TTL, the longer the resolver holds that information in its cache.

What does TTL stand for DNS?

DNS TTL. TTL is an acronym for Time To Live and refers to the capability of the DNS servers to cache DNS records. It represents the amount of time that a DNS record for a certain host remains in the cache memory of a DNS server after the latter has located the host’s matching IP address.

What is TTL in GoDaddy DNS?

TTL stands for “Time to Live.” In reference to DNS changes, TTL is important because it’s the time that the key domain records are flushed. GoDaddy’s default TTL is 600 seconds for the A record, so every 10 minutes, the A record is flushed worldwide so that the new IP address we put in propogates…