Powerdns health check

What is the default TTL for PowerDNS?

The default time to live is 20 seconds and can be changed by setting cache-ttl .

Where is pdns conf?

General PowerDNS service is governed by a single configuration file located in /etc/powerdns – pdns. conf – to which you need to add: allow-axfr-ips=192.168.

What is authoritative and recursive in PowerDNS?

Authoritative Nameservers are DNS Servers that contain the DNS records for your domains. The authoritative nameserver will answer queries with information directly from its records. Recursor DNS servers (commonly referred to as Recursive or Resolving) function between the end user and the authoritative DNS server.

Why is my TTL 128?

By default, in Windows and many other OS's, the TTL will be 128 — that means that after a packet passes through 128 routers, if it hasn't reached it's final destination yet, the packet will expire and will be removed from the network.

What is a good TTL number?

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.

Where are PDNS logs?

In Event Viewer, navigate to Applications and Services Logs\Microsoft\Windows\DNS-Server. Right-click DNS-Server, point to View, and then click Show Analytic and Debug Logs. The Analytical log will be displayed.

What is Pdns digital roaming?

PDNS Digital Roaming is a deployable app for Windows 10 that directs DNS traffic to PDNS. It allows devices to connect to PDNS when they are outside the office network using the encrypted DNS over HTTPS (DoH) protocol.

Who uses PowerDNS?

Who uses PowerDNS? 13 companies reportedly use PowerDNS in their tech stacks, including Investing.com, DNSFilter, and Hostinger Stack.

What is the default user for PowerDNS?

The username is admin and the password is the Poweradmin administrator password from the Installation step 3. Click the Add Master Zone link. Enter the domain name in the Zone name field. This domain should be one that for which you want to host a zone file.

What is PDNS recursor?

The PowerDNS Recursor is a high-performance DNS recursor with built-in scripting capabilities. It is known to power the resolving needs of over 150 million internet connections. The documentation is only for the 4.1 and higher series, users of older versions are urged to read End of life statements and upgrade!

How do I connect to DNS Manager?

Click the Windows logo or press the Windows logo key on your keyboard, type “Server Manager” and then choose “DNS” from the Tools drop down menu in the upper-right corner of the screen. This will open the DNS Manager.

Is recursive or iterative DNS better?

Recursive DNS queries generally tend to resolve faster than iterative queries. This is due to caching. A recursive DNS server caches the final answer to every query it performs and saves that final answer for a certain amount of time (known as the Time-To-Live).

Why is iterative DNS better than recursive?

In an iterative DNS query, requests made by the local DNS server to the root, TLD and authoritative servers can be cached inside the local DNS. Whereas in the recursive query, only the specific hostname to IP address can be cached in local DNS server.

Is CoreDNS authoritative?

CoreDNS is a general-purpose authoritative DNS server that can serve as cluster DNS, complying with the DNS specifications.

What is default TTL value?

Default TTL value = 86400 seconds (1 day)

What is the default TTL time to live?

The default TTL value is null, so the data will not expire — just define the TTL value when creating the table using the default_time_to_live feature.

What is default TTL in SOA?

SOA TTL (seconds) - The time-to-live (TTL) of the zone's start of authority (SOA) record. This value indicates the amount of time resolvers cache the SOA. Default is 3600 seconds (i.e., 1 hour).

What is the default username for Powerdns?

Why is TTL value 255?

The maximum TTL value is 255, the maximum value of a single octet. A recommended initial value is 64. The time-to-live value can be thought of as an upper bound on the time that an IP datagram can exist in an Internet system.

What happens when TTL is 0?

When the TTL count is 0, after the final subtraction, the packet is discarded by the router. This triggers an Internet Control Message Protocol (ICMP) message that's sent back to the originating host.

Is low TTL good?

By having a lower TTL, you can ensure that you are receiving the most recent updates in a given timeframe. Your time to live is critical in controlling your resolver caching directly. For example, your DNS resolver will pull a DNS record from its authoritative server every hour.