---
name: "dane_query_tlsa"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/dane_query_tlsa"
---

# dane\_query\_tlsa(3)

API function

## NAME

dane\_query\_tlsa - API function

## SYNOPSIS

**#include \<gnutls/dane.h\>**

**int dane\_query\_tlsa(dane\_state\_t** *s***, dane\_query\_t \*** *r***, const char \*** *host***, const char \*** *proto***, unsigned int** *port***);**

## ARGUMENTS

- dane\_state\_t s

  The DANE state structure

- dane\_query\_t \* r

  A structure to place the result

- const char \* host

  The host name to resolve.

- const char \* proto

  The protocol type (tcp, udp, etc.)

- unsigned int port

  The service port number (eg. 443).

## DESCRIPTION

This function will query the DNS server for the TLSA (DANE) data for the given host.

## RETURNS

On success, **DANE\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

## REPORTING BUGS

Report bugs to \<bugs@gnutls.org\>.\
 Home page: https://www.gnutls.org

## COPYRIGHT

Copyright © 2001-2023 Free Software Foundation, Inc., and others.\
 Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

## SEE ALSO

The full documentation for **gnutls** is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

- https://www.gnutls.org/manual/