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Simple DNS Plus - Knowledge Base
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Does the 10 connections limit on Windows XP affect Simple DNS Plus?
How do I backup and restore Simple DNS Plus settings and data? (v. 5.x)
How do I backup and restore Simple DNS Plus settings and data? (v.6.0 and later)
How do I backup and restore Simple DNS Plus settings and data? (v.4.00 and earlier)
How to DNSSEC sign a zone with Simple DNS Plus
Does Simple DNS Plus support the new top level domain names? (.travel .mobi .jobs etc.)
How do I register an Internet Domain Name?
How do I update my domain name to be served by my own DNS servers?
How to use domain names with international characters (IDN) in Simple DNS Plus and web-servers
Using unqualified domain names (names with no dots)
Using DirectUpdate with Simple DNS Plus
Using DynDNS Updater with Simple DNS Plus
Using DynSite with Simple DNS Plus
Does Simple DNS Plus support dynamic DNS updates?
DynDNS clients supporting TSIG signed updates
How to intercept dyndns.org (Dyn.com) updates from Internet/NAT routers
HTTP based dynamic DNS service (DynDNS)
Features and functions
ALIAS-records (Auto Resolved Alias)
Does Simple DNS Plus support Active Directory?
Does Simple DNS Plus support sub-domains (like subname.example.com)?
Can I create my own e-mail server IP blacklist (RBL/DNSBL) with Simple DNS Plus?
Is Simple DNS Plus compatible with other DNS servers?
Can Simple DNS Plus be run as a Windows Service (a.k.a. "NT service")?
How to bind an SSL certificate to the HTTP API
Firewalls / NAT routers / Proxy servers
Using Simple DNS Plus with CCProxy
Using Simple DNS Plus with WinGate
How do I configure my firewall for DNS?
How do I use Simple DNS Plus with a proxy server?
How do I use Simple DNS Plus with my Cable/DSL Router (NAT Router)?
General DNS topics
Publishing your SIP server address in DNS
SRV records for Office 365
The log shows a lot of requests for domain names ending with "_zonelist". What is this?
What are MX records, and why do I need this to run an e-mail server?
What is "DNS cache snooping" and how do I prevent it?
What is a DNS amplification attack and how to mitigate it
What is an ”open DNS server” and how do I fix it?
Why can't I create a CNAME record for the zone name itself?
View all articles in “General DNS topics”
Web-site domain filtering using the "Fixed IP Address" plug-in
Alias Zones plug-in
DHCP Server plug-in
DNS Blacklist (DNSBL / RBL) plug-in
Domain Blacklist plug-in
Domain blacklist BOOT plug-in
DynDNS Service plug-in
TFTP Server plug-in
View all articles in “Plug-ins”
What is "reverse DNS" and do I need it?
How to sub-delegate a reverse zone (IPv6)
How do I get reverse DNS for my IP addresses delegated to my own DNS server?
How to sub-delegate a reverse zone (IPv4)
Scripting and programming
Sending Simple DNS Plus HTTP Commands
Integration and scripting options
Setup and configuration
Can I run multiple instances on the same computer? (Simple DNS Plus v. 5.0 and later)
Simple DNS Plus on Windows Embedded Standard 7
Simple DNS Plus on Windows Server Core
Can I specify a TCP/IP port number for my web-server in DNS? (Other than the standard port 80)
Upgrading configuration files from older Simple DNS Plus versions
Using Simple DNS Plus with alternate roots
Using Simple DNS Plus with Internet Connection Sharing (ICS)
Configuring Windows to use local DNS server (Windows 8.1 / Windows 10 / Windows Server 2012R2)
View all articles in “Setup and configuration”
Spam and Phishing
Configuring SPF records
Configuring DMARC records
Configuring DKIM records
Version maintenance / End of Life (EOL) policy
Free educational licenses
Not resolving Internet domains / Returns RCODE 2 - Server Failure
Program menus slow when accessed through Remote Desktop / Terminal Services
Simple DNS Plus is not able to resolve domain names hosted on ns##.worldnic DNS servers. What could be wrong?
Simple DNS Plus service fails to start on computer reboot
Warning: Failed to Zone Transfer ... (RCODE 5 Refused...)
Zone not transferred to or updated on secondary DNS server
Error message: Cloud not start the Simple Dns Plus service(sdnsplus) - NET START returned exit code 2
"The system failed to register host (A) resource records (RRs) for network adapter..." warning in Windows event log
View all articles in “Troubleshooting”
What are the system requirements for Simple DNS Plus?
I have a cable modem (always connected), but I only have one IP address. Can I still run a DNS server for my own domain name?
I have an "always on" Internet connection (cable, DSL, etc.), but my IP address is assigned dynamically. Can I still run my own DNS server?
Can I use Simple DNS Plus to make my web-server access different directories / files on my computer for different domain names? (Sometimes referred to as "virtual hosting")
Virtual hosting with IIS (Internet Information Services) (IIS 6.0 (Windows XP / Server 2003) and earlier)
Virtual hosting with IIS (Internet Information Services) (IIS 7.0 (Windows Vista / Server 2008) and later)
Web redirection and "cloaking" (ASP.NET)
Web redirection and "cloaking" (Classis ASP script)
Configure web-site for access with and without the 'www' domain name prefix
Can I do web redirection with Simple DNS Plus?
New in Simple DNS Plus (v. 5.1)
New in Simple DNS Plus (v. 5.3)
New in Simple DNS Plus (v. 6.0)
New in Simple DNS Plus (v. 9.0)
New in Simple DNS Plus (v. 9.1)
New in Simple DNS Plus (v. 5.2)
New in Simple DNS Plus (v. 5.0)
New in Simple DNS Plus (v. 7.0)
View all articles in “What's new”
With 3rd party products
Using OpenDNS.com with Simple DNS Plus
Can I use the "Super Master/Slave" feature with other DNS servers?
DNS over HTTPS (DoH) / DNS over TLS (DoT)
How to enable DNS over HTTPS (DoH) in Chrome
How to enable DNS over HTTPS (DoH) in Edge
How to enable DNS over HTTPS (DoH) in Firefox
How to enable DNS over TLS (DoT) in Android
How to enable DNS over HTTPS (DoH) in Windows 11
How to enable DNS over HTTPS (DoH) in Windows Server 2022
How to enable DNS over TLS (DoT) / DNS over HTTPS (DoH) in MacOS v. 11+
How to enable DNS over TLS (DoT) / DNS over HTTPS (DoH) in IOS v. 14+
DNS Blacklist Editor
Filter Raw Log
Raw Log Library