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A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration)

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Hey there @blechschmidt, I generally use massdns over UDP as it makes more sense (much less overhead) but recently I had a case where I was stuck using TCP, due...

enhancement

I wanted to know if a big amount of resolvers is needed for the tool to work properly. i tried running the tool with only 10 public and common DNS...

Hello. I want to tell you about DNS over HTTP. Some people ignores this theme. I want to promote it in terms of mass DNS resolutions. Let we have an...

enhancement

Would you like to [add more error handling](https://github.com/blechschmidt/massdns/blob/8df0535154d67f21626c039f7e43666965aef758/main.c#L178) for [return values from functions like "fprintf"](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html)?

I am trying to understand why massdns it isn't giving any output to stdout. I run the same exact command in one server and it runs correctly, but running it...

![image](https://github.com/blechschmidt/massdns/assets/109471966/d8241e8a-2313-410a-9914-11ae27f1bdd4) ``` massdns -r rs.txt -t NS test.txt -o Fdilmnqrstu --retry never > results.txt ``` massdns output: ![image](https://github.com/blechschmidt/massdns/assets/109471966/7f76258e-47db-4883-9412-e57357ae7b59)

enhancement

I ran `massdns` for several hours to resolve large number of domains, and it quit prematurely with ``` DEBUG Epoll failure: Interrupted system call ``` This comes from https://github.com/blechschmidt/massdns/blob/master/src/main.c#L2013. I'm...

Not able to DNS resolve using massdns when the output from dnsgen is used. ![ss2](https://github.com/blechschmidt/massdns/assets/116869728/0734771b-ea83-4d5b-adb9-f62c08c9d29f) ![ss3](https://github.com/blechschmidt/massdns/assets/116869728/efbe3475-7ef3-4679-8f3c-fae8d96d35b7)