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+.TH s/qmail: dnstlsa 8
+.SH NAME
+dnstlsa
+.SH SYNOPSIS
+.B dnstlsa 
+.I [-v] [-p port] [-u(dp)|-t(cp)] fqdn
+.SH DESCRIPTION
+.B dnstlsa
+uses the 
+.I fqdn
+for a host employing a
+DNS query for a synthesized hostname given as
+.I _port._[tcp|udp].fqdn
+while doing an initial CNAME resolution
+followed by a TLSA query
+and displays the result(s).
+If
+.I -p\ port
+is missing
+.I port\ 25
+is assumed.
+If either
+.I -u
+or 
+.I -t
+is omitted, 
+.I tcp 
+is used.
+Each entry is shown on one line, telling
+.IR Usage ,
+.IR Selector ,
+.IR Matching\ Type
+together with the hex-encoded fingerprint or certificate.
+
+In verbose mode
+.I -v
+the synthezised record is displayed as well.
+.SH "EXIT CODES"
+.B dnstlsa
+returns
+.I 0
+on success,
+.I 1
+for DNS query errors, and 
+.I 111
+in case of memory errors.
+.SH "SEE ALSO"
+dnstxt(8),
+dnsfq(8),
+dnsmxip(8),
+dnsptr(8).