dns

DisableNSRecordsAutoCreation with Dnscmd

This post explains how to restrict automatic NS resource record registration in Windows Server DNS using Dnscmd. This prevents Windows Server DNS to automatically create NS records for zones that it hosts on the server.

PowerShell blacklist check script: find an IP address' blacklist status & reputation

Here's a blacklist check script written in PowerShell. You can use this to lookup an IP address in various blacklists (DNSBL, RBL). Such a check is a great indicator for an IP address' reputation. Basically this PowerShell blacklist checker is a port of my Bash script to check an IP address blacklist status in Linux.

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WMI/netsh to add DNS servers on network adapters

How to add DNS servers -or resolvers- to a Windows Server network adapter, or interface using WMI and the netsh command annd PowerShell. This one is quite old but may come in handy sometimes. In this example we use Google's Public DNS server addresses and localhost to add as DNS Servers on our server's interfaces.

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Check IP address blacklist status in Bash

Here is a Linux Bash shell script to check whether an IP address is listed in a DNSBL blacklist, or RBL. Using this script in Bash you can quickly test if an IP address is blacklisted.
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