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docs/ahost.1
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Brad House
adig and ahost should return failure exit codes on resolution failures (#943)
15 дек 2024, 20:56
Не верифицирован
15 дек 2024, 20:56
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.\" .\" Copyright (C) the Massachusetts Institute of Technology. .\" Copyright (C) Daniel Stenberg .\" SPDX-License-Identifier: MIT .\" .TH AHOST "1" "April 2011" "c-ares utilities" .SH NAME ahost \- print the A or AAAA record associated with a hostname or IP address .SH SYNOPSIS .B ahost [\fIOPTION\fR]... \fIHOST\fR... .SH DESCRIPTION .PP .\" Add any additional description here .PP Look up the DNS A or AAAA record associated with HOST (a hostname or an IP address). .PP This utility comes with the \fBc\-ares\fR asynchronous resolver library. .SH OPTIONS .TP \fB\-d\fR Print some extra debugging output. .TP \fB\-h\fR, \fB\-?\fR Display this help and exit. .TP \fB\-t\fR type If type is "a", print the A record. If type is "aaaa", print the AAAA record. If type is "u", look for both AAAA and A records (default). .TP \fB\-s\fR server Set the server list to use for DNS lookups. .TP \fB\-D\fR \fIdomain\fP Specify the \fIdomain\fP to search instead of using the default values from .br /etc/resolv.conf. This option only has an effect on platforms that use .br /etc/resolv.conf for DNS configuration; it has no effect on other platforms (such as Win32 or Android). .SH RETURN VALUES .TP \fB0\fR Success .TP \fB1\fR Internal System Error .TP \fB2\fR Command line misuse .TP \fB3\fR At least one DNS query failed .TP .SH "REPORTING BUGS" Report bugs to the c-ares mailing list: .br \fBhttps://lists.haxx.se/listinfo/c-ares\fR .SH "SEE ALSO" .PP adig(1)