![]() ![]() You don't need a third party service to be able to do this. flags: qr rd ra QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 You can use this to help diagnose problems and see if the problem originates from the domain name server if you cannot return a domain’s records, you’ll know where to begin troubleshooting This tool returns only address (A) records. >HEADER<<- opcode: QUERY, status: NOERROR, id: 53737 The DNS Lookup tool retrieves domain name records for the domain name that you provide. DNS Lookup is an online tool that will find the IP address and perform a deep DNS lookup of any URL, providing in-depth details on common record types, like A, MX, NS, SOA, and TXT. The results returned look like: > Dig.Net 0.0.1 > A For example, you might have a CNAME record docs.example. Also called a canonical name records, they act as aliases, pointing to another DNS name. The CNAME lookup is done directly against the domain's authoritative name server, so changes to CNAME Records should show up instantly. The output goes straight to the console but you could modify to parse the results into return values.Īdding a reference to the project I was able to do this: Dig dig = new Dig() ĭig.DnsResolver = new Resolver("8.8.8.8") This test will list CNAME records for a domain in priority order. ![]() If you want to specify your own resolver then use the Dig tool I mentioned above. The above methods will query the DNS servers as specified in the computer's own network settings. IPAddress GetHostAddresses(string hostNameOrAddress) IPHostEntry GetHostEntry(string hostNameOrAddress) There's a couple of static methods you could use: NET's built in capabilities you can use the System.Net namespace and the Dns class. There's plenty of free DNS services such as Google or OpenDNS you can use as nameservers. I've used this one in the past and it works pretty well. However there are a one or two dig type C# implementations such as: You don't say exactly what you want to be able to do. ![]()
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