FAQs
DNS failure? Try these DNS troubleshooting basics.
- Clear the cache. ...
- Reboot your computer. ...
- Check your hardware and wires. ...
- Run a wizard. ...
- Run an antivirus scan. ...
- Check DHCP (Dynamic Host Control Protocol) ...
- Reach out to the experts.
How do I Reset my DNS on my IONOS? ›
Log in to IONOS and select the Domains & SSL tile. Next to the desired domain, click on the gear symbol in the Actions column and select DNS. Click the Reset domain link under the Adjust Destination button.
What is a DNS conflict? ›
DNS conflicts are caused by overlapping DNS records. If DNS records overlap, the conflicting DNS records will either not at all or only partially function. If you add a DNS record that conflicts with other DNS records of an active service, a warning will be displayed.
What is the best practice for DNS TTL? ›
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.
How do I clear DNS issues? ›
Navigate to All Programs > Accessories and select Command Prompt. In the command line interface, run ipconfig /flushdns . You should receive a confirmation message once the DNS cache is flushed.
How do I correct my DNS server? ›
How Do I Change My Device's DNS Server?
- Press Windows+I to open Settings,
- Click Network & Internet,
- Click Change adapter options,
- Right-click your internet connection and choose Properties,
- Select Internet Protocol Version 4 and click the Properties button,
- Click the item labeled Use the following DNS server addresses,
What is the default DNS for IONOS? ›
Name Servers
Nameserver 1 | ns1ZZZ.ui-dns.de |
---|
Nameserver 2 | ns1ZZZ.ui-dns.biz |
Nameserver 3 | ns1ZZZ.ui-dns.org |
Nameserver 4 | ns1ZZZ.ui-dns.com |
How long does it take for DNS to change in IONOS? ›
Your changes are effective immediately at IONOS. However, it can take up to 1 hour for the change to take effect externally due to the decentralised structure of the Domain Name System.
How do I clean up DNS? ›
To Flush the DNS Cache:
Type 'ipconfig /flushdns' in the Command Prompt, and press Enter. 3. The user has now flushed the DNS Cache and will receive a message that they have successfully done so.
Why do I keep getting DNS errors? ›
One of the most common issues that causes DNS errors is the TCP/IP settings. You can check these by going to the control panel, and choosing “Manage network connections.” You can then look in the Local Area Connections properties, and look at the IPv4 and IPv6 properties.
Check DNS settings
- For Linux, use the resolvectl status command to display the configured name resolution servers. ...
- For macOS, type scutil --dns to display the configured name resolution servers. ...
- For Windows, type ipconfig /all to display the configured name resolution servers.
How to fix slow DNS? ›
Best practices for ensuring good DNS performance include using providers that support CDN, considering the use of self-managed DNS, increasing DNS TTL parameters, and using CNAME flattening or DNS prefetch. A combination of these approaches can help eliminate slow DNS problems and help improve your bottom line.
Should TTL be high or low? ›
The TTL field limits packet lifetime in computer networks and IP packets to prevent routing issues. The TTL should be set high enough to allow packets to reach their destination while avoiding too many hops.
Does TTL affect ping? ›
Standard network commands, or utilities, like traceroute and ping, use TTL to reach the host or trace a route to that host. Ping is used prior to using traceroute to determine whether a host is on the network.
Does TTL matter in DNS? ›
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 fix DNS Wi-Fi problems? ›
How to Fix DNS Server Not Responding Error
- Troubleshoot Network Problems. ...
- Connect With a Different Device. ...
- Switch to Another Web Browser. ...
- Restart the PC in Safe Mode. ...
- Restart Modem or Router. ...
- Deactivate Antivirus and Firewall. ...
- Disable Other Connections. ...
- Change the DNS Server Address.
How can I reset my DNS server? ›
To reset your DNS in Windows:
- Using the Start Menu at the lower left corner of your screen: ...
- Enter CMD into the text box and then select the Command Prompt program.
- A new black window will appear. ...
- Type ipconfig /flushdns and press ENTER (please note: there is a space between ipconfig and /flushdns)
- Restart your computer.
How does DNS get resolved? ›
The basic process of a DNS resolution follows these steps: The user enters a web address or domain name into a browser. The browser sends a message, called a recursive DNS query, to the network to find out which IP or network address the domain corresponds to.