Dns Hosting Not Active – Knowing what DNS is can tell you all the answers to what a DNS failure is. Customers don’t resolve your domain name, so they get error messages and can’t access your site or use your application. DNS downtime can lead to angry customers, lost sales, and poor branding. But you can avoid DNS outages. Do you want to know how to do it?
A DNS outage (also known as DNS downtime or DNS failure) is a period of time when a domain name cannot be resolved to its IP address. The client will send a DNS query for the domain name, but DNS recursion will reply with the old IP address in its cache, and the old IP address will not respond, or it will try to query the DNS authoritative nameservers for the domain name, but cannot get an answer.
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A DDoS, or denial of service attack, is a type of cyber attack that involves multiple devices working in tandem to target a victim’s computer with a high volume of traffic designed to disrupt the network More questions need to be answered. To avoid problems that DDoS attacks can cause, you will need a load balancer that can share traffic between servers, even if it is very powerful. Also, you need a DDoS protected server.
How To Fix The Dns_probe_finished_nxdomain Error?
If you only use one authoritative name server, anything that happens to it will affect your DNS. If it takes time to update and reboot, the server won’t be able to respond to DNS queries. Updates and maintenance are necessary, so you’d better have a secondary DNS that can answer questions at the same time.
Cloud devices don’t magically float above the Earth. Instead, it’s located in multiple data centers. These locations may be subject to prolonged power outages, natural disasters, fires or other issues affecting the area. If you use cloud services, these issues are out of your hands, but you can use multiple servers in multiple data centers. If one person comes down, there will be more people answering questions.
DNS misconfiguration can lead to DNS downtime. This could be due to human error such as incorrect addressing due to misspelled IP addresses or domain names, script errors, incorrectly configured firewalls, etc.
If it’s a typo, you can try asking for domain names and IP addresses to see which ones respond and which ones don’t.
Adding Custom Dns Records
When you add or delete DNS records, such as A or AAAA records, the changes don’t always take effect immediately. You are editing the zone file in the primary DNS server, you can propagate to secondary DNS servers, but there are many DNS recursive servers out of your control. They can keep your old IP address and still make it available to customers after you issue your new IP address.
For DNS propagation, what you can do is push zone transfers to your secondary servers and keep a low TTL value for your DNS records.
Technically, this isn’t a DNS outage, as it only affects those users with cached IP addresses for old domain names, but it’s worth mentioning.
The best way to avoid DNS outages is to have a robust DNS network that provides redundancy and can handle heavy traffic. The more servers you have, the better prepared you are. Additional features can also facilitate DNS management and automate the process of resolving issues.
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Secondary DNS services give you the opportunity to use multiple secondary DNS servers, which can be configured as secondary authoritative name servers. They will have a copy of the zone file containing the DNS records. They can answer questions for your domain like in elementary school. The biggest advantage is that even if the master node experiences an outage, they will continue to respond. Having a secondary DNS is your DNS backup solution.
You can learn more in this article “What is an Alternate DNS?” and you can try our Secondary DNS plan for free for 30 days.
DNS load balancing is also another convenient way to reduce the chance of DNS outages. It is a mechanism for managing DNS traffic between DNS servers based on criteria such as the number of active connections, specific algorithms, connection time, etc.
It can help in the case of a DDoS attack, but it can also help when there is a natural surge in traffic caused by an increase in client requests. It can help you during promotional periods when you experience higher traffic.
How To Fix
DNS failover is a trigger that will activate when a name server fails. It can automatically redirect traffic based on information received from DNS monitors such as ICMP pings, UDP requests, HTTP inspections, etc. without human intervention. There are some problems with some of your DNS servers. We provide DNS failover service for all paid plans.
Check your DNS for any strange traffic patterns. You can set up multiple automated monitors to view traffic behavior. If something odd happens, you can see all the changes in near real time and use the information to take action.
You can check DNS from various locations. This way you can see if the problem is very local, regional, continental or global. It’s easy to find the problem.
DNS monitoring works best in combination with DNS failover. You can set up the display with your favorite parameters and it will notify you and display the data. But if you also have DNS failover, you can connect this data and trigger it automatically, even in the event of server downtime. It works to deactivate and replace DNS records. It can also respond to servers as they come up and add them back to the list.
Implement Domain Name System
Provides DNS failover service to all its paying customers. You can set up and activate it for your domain quickly and easily.
When a DNS outage occurs, it can negatively impact your entire organization and customer community. If the DNS (Domain Name System) fails, websites, applications and online services (such as email) associated with that domain name will not function properly. Unfortunately, this has the potential to damage operations, revenue and brand reputation. Also, you’ll need to act fast and re-upload it to restore any temporarily lost functionality.
However, we assume that the functionality of DNS operations is severely disrupted for an extended period of time. In such cases, a DNS failure can have devastating consequences for companies operating online. Here are some of the most common effects during this time:
Even if you have an excellent infrastructure, a massive DDoS attack can cause DNS outages. But applying all measurements reduces the time and frequency of DNS outages. Be prepared and intelligently manage your DNS traffic to provide exceptional service to your customers. Keep your business going!
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Hi, I’m Martin Pramatarov. I have two degrees, a Computer Network Technician and an MBA (Master of Business Administration). My passion is storytelling, but I can’t hide my nerdy side either. I never forgot my interest in the high-tech world. For 10 years, I’ve written thousands of articles on DNS, cloud services, hosting, domain names, cryptocurrencies, hardware, software, AI, and everything in between. I’ve seen the digital revolution, the big migration to the cloud, and I’m eager to write about all the exciting new technology trends for the next few years. Artificial intelligence and big data have come, and they will completely change the world!
Tags: DDos attack, DNS downtime, DNS failover, DNS failure, dns load balancing, DNS monitoring, DNS outage, secondary DNS Last Modified: September 27, 2022
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