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  • License: Freeware
  • Last update: 7 years ago
  • Total downloads: 67
  • Price: Free |
  • Operating system: Linux, BSD
  • Publisher: Ian Jackson
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scripts default iconadns Publisher's description

adns is a resolver library for C (and C ) programs, and a collection of useful DNS resolver utilities.

adns is a resolver library for C (and C ) programs, and a collection of useful DNS resolver utilities.

- It is reasonably easy to use for simple programs which just want to translate names to addresses, look up MX records, etc.
- It can be used in an asynchronous, non-blocking, manner. Many queries can be handled simultaneously.
- Responses are decoded automatically into a natural representation for a C program - there is no need to deal with DNS packet formats.
- Sanity checking (eg, name syntax checking, reverse/forward correspondence, CNAME pointing to CNAME) is performed automatically.
- Time-to-live, CNAME and other similar information is returned in an easy-to-use form, without getting in the way.
- There is no global state in the library; resolver state is an opaque data structure which the client creates explicitly. A program can have several instances of the resolver.
- Errors are reported to the application in a way that distinguishes the various causes of failure properly.
- Understands conventional resolv.conf, but this can overridden by environment variables.
- Flexibility. For example, the application can tell adns to: ignore environment variables (for setuid programs), disable hostname syntax sanity checks to return arbitrary data, override or ignore resolv.conf in favour of supplied configuration, etc.

System Requirements:

No special requirements.
Program Release Status:
Program Install Support: Install Only

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