Have anyone noticed the BioMart servers were down

I tried the UK, usesat, uswest and Asia. None of them gave response.

Sent a ticket to Helpdesk in Ensembl.

> listMarts(host='www.ensembl.org')
Error in listMarts(host = "www.ensembl.org") : 
  Unexpected format to the list of available marts.
Please check the following URL manually, and try ?listMarts for advice.
http://www.ensembl.org:80/biomart/martservice?type=registry&requestid=biomaRt

> listMarts(host='useast.ensembl.org')
Request to BioMart web service failed.
The BioMart web service you're accessing may be down.
Check the following URL and see if this website is available:
http://useast.ensembl.org:80/biomart/martservice?type=registry&requestid=biomaRt
Error in if (!grepl(x = registry, pattern = "^\n*<MartRegistry>")) { : 
  argument is of length zero

> listMarts(host='uswest.ensembl.org')
Request to BioMart web service failed.
The BioMart web service you're accessing may be down.
Check the following URL and see if this website is available:
http://uswest.ensembl.org:80/biomart/martservice?type=registry&requestid=biomaRt
Error in if (!grepl(x = registry, pattern = "^\n*<MartRegistry>")) { : 
  argument is of length zero