http://ingrid.mit.edu/SOURCES/.MIT/.LOCAL/thredds.xml
it responded with
While trying to retrieve the URL: http://127.0.0.1/SOURCES/.MIT/.LOCAL/thredds.xml
The following error was encountered:
The system returned:
(111) Connection refused
The remote host or network may be down. Please try the request again.
Your cache administrator is webmaster.
My apologies