How do I find my DNS TTL
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.
What is a TTL of 3600
With a TTL of 3600 seconds, or 1 hour, that means that as a recursive server learns about example.com, it will store that information about the A-record at example.com for one hour.
What is a TTL of 14400
The default TTL for A records is 14,400 seconds. This means that if an A record gets updated, it takes 240 minutes (14,400 seconds) to take effect.
What is TTL for Windows Server
TTL (Time To Live) is the time to keep the server's DNS response in the client cache before a new request is made. By default the TTL is: 1 hour for static recordings. 20 minutes for dynamic recordings.
What is the value of TTL
Administrators can set TTL to any value between 1 and 255. However, different operating systems support setting different defaults. When a packet is by a router, the router subtracts 1 from the TTL count. Then, the packet travels to the next destination on the network.
What Cname means
A Canonical Name or CNAME record is a type of DNS record that maps an alias name to a true or canonical domain name. CNAME records are typically used to map a subdomain such as www or mail to the domain hosting that subdomain's content.
How do I use dig on Windows
How to use dig
- Open Terminal (Mac and Linux) or Command Prompt (Windows).
- Type in dig (any hostname) and press enter.
- Several pieces of information will be returned.
How do I edit a TTL file
Click the domain you want to edit. Under DNS & ZONE FILES, click on Edit DNS Zone File. Scroll down to the Additional Zone Actions tool, click on the Lower TTL button. This will lower the TTL value to 5 minutes.
How do I change TTL to ping
To ping with a custom TTL:
- Open a command prompt.
- Type ping 8.8. 8.8 and press Enter.
- Observe the results. The ping request should be successful.
- Type ping -i 1 8.8. 8.8 and press Enter.
- Observe the results.
- Type ping -i 2 8.8.
- Observe the results.
- Close the command prompt to complete this activity.
How do I find the TTL of a DNS record
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.
What is Time Live value
Time-to-live (TTL) is a value for the period of time that a packet, or data, should exist on a computer or network before being discarded.
How do I configure TTL
To configure the TTL value for a DNS server cache:
- Specify the maximum TTL value for cached responses, in seconds. (In this example, 86400 seconds equals 24 hours.)
- Specify the maximum TTL value for negative cached responses, in seconds.
- If you are done configuring the device, commit the configuration.
How do I change my default TTL
Answers
- Open Registry Editor (regedit.exe).
- From the HKEY_LOCAL_MACHINE subtree, go to the following key: \SYSTEM\CurrentControlSet\Services\Tcpip\Parameters.
- In the right pane, add the following value: Name: DefaultTTL. Type: REG_DWORD. Valid Range: 1-255.
- After that, please restart the computer and check the result.
What is the command nslookup
nslookup is the name of a program that lets an Internet server administrator or any computer user enter a host name (for example, "whatis.com") and find out the corresponding IP address or domain name system (DNS) record.
What is TTL domain records
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.
How do I find my SOA domain
First, you need to get the current serial number
- Open a command window.
- Type nslookup and press [Enter].
- Switch to querying SOA records by typing set type=soa and press [Enter].
- Type the name of the domain name in question and press [Enter].
How is TTL calculated in Ping
Each time a packet takes another hop, its TTL is reduced by one. The TTL number that ping reports is the packet's final TTL when it reaches its destination. To find out the number of hops a packet takes, subtract its initial TTL (by default 255) from the TTL reported by ping.
Is TTL in seconds or minutes
Note
TTL value in seconds | Converted |
---|---|
900 | 15 minutes |
1800 | 30 minutes |
3600 | 1 hour |
43,200 | 12 hours |