Bug: http://curl.haxx.se/mail/lib-2015-08/0019.html
Reported-by: Inca R
You can remove names from the DNS cache again, to stop providing these fake
resolves, by including a string in the linked list that uses the format
\&"-HOST:PORT". The host name must be prefixed with a dash, and the host name
-and port number must exactly match what was already added previously.
+and port number must exactly match what was already added previously. (Added in
+7.42.0)
.SH DEFAULT
NULL
.SH PROTOCOLS
curl_slist_free_all(host);
.fi
.SH AVAILABILITY
-Added in 7.21.3
+Added in 7.21.3. Removal support added in 7.42.0.
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"