Read DNS entries with .NET
.NET does not have a built-in mechanism for querying DNS records; nevertheless, this is a use case that is required relatively often.
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13
May
2025
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15
Apr
2025
Automate Cloudflare DNS management with PowerShell
Cloudflare is a popular service for managing DNS records, providing security features and optimizing website performance. Automating DNS management tasks can save time and reduce the risk of human error. In this article, I will explore how to use PowerShell to automate Cloudflare DNS management tasks.
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15
Mar
2025
Create a custom captcha provider with ASP.NET Core
Nowadays, you can’t actually run a website on the Internet without having a protection mechanism against content bots. One possibility is the use of CAPTCHAs. CAPTCHAs are small tasks that a human can easily solve, but a bot (almost) cannot.
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10
Mar
2025
New Format Options of System.Text.Json with .NET 9
With .NET 9, Microsoft has added new options to the System.Text.Json library to format the output of JSON objects - features that, in my opinion, should have been available with day 1.
05
Mar
2025
Compile your .NET projects with multiple SDKs on GitHub
The recommended variant for specifying the SDK in .NET is the global.json file. This centrally guarantees that all computers on which the code is compiled ideally have the same SDK installed and use it.
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24
Feb
2025
When to use records in C#
For several years now, C# has supported Records as a new “type”. Initially only for classes (which is why the class is optional for a record class), later also for structs. Records are specially designed for use as data containers aka DTOs (please dont use DTO in your class name!). They are immutable and have special semantics for equality.
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17
Feb
2025
Create an anti-idle App for Microsoft Teams with .NET
Anti-idle apps for Microsoft Teams and the like are a dime a dozen, but how about creating your own? In this article, I’ll show you how to create an anti-idle app for Microsoft Teams using .NET and C#.
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10
Feb
2025
Create QRCodes with .NET and ZXing
QR Codes are a very popular way to pass on information - for example an URL. The QR code can be placed on all kinds of places, for example in parking lots for buying parking tickets.
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04
Feb
2025
Create an Entra Local User Account via Microsoft Graph with .NET
The Microsoft Graph and Entra documentation are both very comprehensive and provide a lot of information - but they often contain no examples or no working examples. In addition, the SDKs are either not, insufficiently or incorrectly documented.
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28
Jan
2025
Easy handling of optional Azure Web App settings in Bicep
Often you don’t need all the configurations of an app per stage; sometimes they are optional. This is often the case for the development stage in particular.
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