make -f Makefile.doc (#1600)

man/coredns-erratic.7

@@ -7,7 +7,7 @@
 \fIerratic\fR \- a plugin useful for testing client behavior\.
 .
 .SH "DESCRIPTION"
-\fIerratic\fR returns a static response to all queries, but the responses can be delayed, dropped or truncated\. The \fIerratic\fR plugin will respond to every A or AAAA query\. For any other type it will return a SERVFAIL response\. The reply for A will return 192\.0\.2\.53 (see RFC 5737), for AAAA it returns 2001:DB8::53 (see RFC 3849)\.
+\fIerratic\fR returns a static response to all queries, but the responses can be delayed, dropped or truncated\. The \fIerratic\fR plugin will respond to every A or AAAA query\. For any other type it will return a SERVFAIL response\. The reply for A will return 192\.0\.2\.53 (see RFC 5737 \fIhttps://tools\.ietf\.org/html/rfc5737\fR, for AAAA it returns 2001:DB8::53 (see RFC 3849 \fIhttps://tools\.ietf\.org/html/rfc3849\fR)\.
 .
 .P
 \fIerratic\fR can also be used in conjunction with the \fIautopath\fR plugin\. This is mostly to aid in testing\.
@@ -117,4 +117,6 @@ Drop every second query\.
 .fi
 .
 .IP "" 0
-
+.
+.SH "ALSO SEE"
+RFC 3849 \fIhttps://tools\.ietf\.org/html/rfc3849\fR and RFC 5737 \fIhttps://tools\.ietf\.org/html/rfc5737\fR\.

man/coredns-trace.7

@@ -23,7 +23,7 @@ trace [ENDPOINT\-TYPE] [ENDPOINT]
 .IP "" 0
 .
 .IP "\(bu" 4
-\fBENDPOINT\-TYPE\fR is the type of tracing destination\. Currently only \fBzipkin\fR is supported and that is what it defaults to\.
+\fBENDPOINT\-TYPE\fR is the type of tracing destination\. Currently only \fBzipkin\fR and \fBdatadog\fR are supported\. Defaults to \fBzipkin\fR\.
 .
 .IP "\(bu" 4
 \fBENDPOINT\fR is the tracing destination, and defaults to \fBlocalhost:9411\fR\. For Zipkin, if ENDPOINT does not begin with \fBhttp\fR, then it will be transformed to \fBhttp://ENDPOINT/api/v1/spans\fR\.
@@ -116,6 +116,19 @@ trace http://tracinghost:9411/zipkin/api/v1/spans
 .IP "" 0
 .
 .P
+Using DataDog:
+.
+.IP "" 4
+.
+.nf
+
+trace datadog localhost:8125
+.
+.fi
+.
+.IP "" 0
+.
+.P
 Trace one query every 10000 queries, rename the service, and enable same span:
 .
 .IP "" 4