this happened earlier, not happening now

error.txt

curl -v https://registry.npmjs.org/batch/-/batch-0.5.0.tgz > /dev/null
* About to connect() to registry.npmjs.org port 443 (#0)
*   Trying 199.27.77.162...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* connected
* Connected to registry.npmjs.org (199.27.77.162) port 443 (#0)
* SSLv3, TLS handshake, Client hello (1):
} [data not shown]
* SSLv3, TLS handshake, Server hello (2):
{ [data not shown]
* SSLv3, TLS handshake, CERT (11):
{ [data not shown]
* SSLv3, TLS handshake, Server finished (14):
{ [data not shown]
* SSLv3, TLS handshake, Client key exchange (16):
} [data not shown]
* SSLv3, TLS change cipher, Client hello (1):
} [data not shown]
* SSLv3, TLS handshake, Finished (20):
} [data not shown]
* SSLv3, TLS change cipher, Client hello (1):
{ [data not shown]
* SSLv3, TLS handshake, Finished (20):
{ [data not shown]
* SSL connection using RC4-SHA
* Server certificate:
* 	 subject: C=US; ST=CA; L=San Francisco; O=Joyent, Inc.; CN=nodejs.org
* 	 start date: 2012-08-24 19:33:10 GMT
* 	 expire date: 2014-08-25 19:33:10 GMT
* 	 subjectAltName: registry.npmjs.org matched
* 	 issuer: C=BE; O=GlobalSign nv-sa; CN=GlobalSign Organization Validation CA - G2
* 	 SSL certificate verify ok.
> GET /batch/-/batch-0.5.0.tgz HTTP/1.1
> User-Agent: curl/7.24.0 (x86_64-apple-darwin12.0) libcurl/7.24.0 OpenSSL/0.9.8y zlib/1.2.5
> Host: registry.npmjs.org
> Accept: */*
> 
< HTTP/1.1 503 Connection refused
< Date: Tue, 07 Jan 2014 22:47:59 GMT
< Server: Varnish
< Retry-After: 0
< Content-Type: text/html; charset=utf-8
< Content-Length: 416
< Accept-Ranges: bytes
< Via: 1.1 varnish
< Age: 0
< X-Served-By: cache-sv61-SJC3
< X-Cache: MISS
< X-Cache-Hits: 0
< X-Timer: S1389134878.947098494,VS0,VE71
< Connection: close
< 
{ [data not shown]
100   416  100   416    0     0   1674      0 --:--:-- --:--:-- --:--:--  1840
* Closing connection #0
* SSLv3, TLS alert, Client hello (1):
} [data not shown]