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.TH "SYD-DNS" "1" "2025-02-22"
.PP
.SH NAME
.PP
syd-dns - resolve hostname into IPs using system DNS resolver
.PP
.SH SYNOPSIS
.PP
\fBsyd-dns\fR \fI[-hr46]\fR hostname
.PP
\fBsyd-dns\fR \fI[-R]\fR IPv4/6 address
.PP
.SH DESCRIPTION
.PP
Resolve hostname into IPs using system DNS resolver.\&
.PP
Given \fI-R\fR, perform a reverse-DNS lookup for the given IPv4/6 address
using the system DNS resolver.\&
.PP
.SH OPTIONS
.PP
.TS
l lx.
T{
\fB-h\fR
T}	T{
Display help and exit.\&
T}
.TE
.sp 1
.TS
l lx.
T{
\fB-4\fR
T}	T{
Print only IPv4 addresses
T}
.TE
.sp 1
.TS
l lx.
T{
\fB-6\fR
T}	T{
Print only IPv6 addresses
T}
.TE
.sp 1
.TS
l lx.
T{
\fB-r\fR
T}	T{
Print a random IP picked using \fIgetrandom\fR(2)
T}
.TE
.sp 1
.TS
l lx.
T{
\fB-R\fR
T}	T{
Perform a reverse DNS lookup using \fIgetnameinfo\fR(3)
T}
.TE
.sp 1
.SH SEE ALSO
.PP
\fIsyd\fR(1), \fIsyd\fR(2), \fIsyd\fR(5), \fIsyd-net\fR(1), \fIgetrandom\fR(2),
\fIgetnameinfo\fR(3)
.PP
\fBsyd\fR homepage: https://sydbox.\&exherbolinux.\&org/
.PP
.SH AUTHORS
.PP
Maintained by Ali Polatel.\& Up-to-date sources can be found at
https://gitlab.\&exherbo.\&org/sydbox/sydbox.\&git and bugs/patches can be
submitted to https://gitlab.\&exherbo.\&org/groups/sydbox/-/issues.\& Discuss
in #sydbox on Libera Chat.\&