GOV.UK IPv6 bare redirect

gistfile1.txt

dan@vps:~$ curl -vkgL -H "Host: gov.uk" -o/dev/null https://\[2400:cb00:2048:1::6810:1931\]
* Rebuilt URL to: https://[2400:cb00:2048:1::6810:1931]/
* Hostname was NOT found in DNS cache
*   Trying 2400:cb00:2048:1::6810:1931...
  % 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 to 2400:cb00:2048:1::6810:1931 (2400:cb00:2048:1::6810:1931) port 443 (#0)
* successfully set certificate verify locations:
*   CAfile: none
  CApath: /etc/ssl/certs
* 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 key exchange (12):
{ [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 ECDHE-RSA-AES128-GCM-SHA256
* Server certificate:
*        subject: C=US; ST=CA; L=San Francisco; O=CloudFlare, Inc.; CN=ssl7714.cloudflare.com
*        start date: 2014-09-05 14:08:09 GMT
*        expire date: 2017-08-08 12:37:16 GMT
*        issuer: C=BE; O=GlobalSign nv-sa; CN=GlobalSign Organization Validation CA - G2
*        SSL certificate verify ok.
> GET / HTTP/1.1
> User-Agent: curl/7.35.0
> Accept: */*
> Host: gov.uk
>
< HTTP/1.1 301 Moved Permanently
* Server cloudflare-nginx is not blacklisted
< Server: cloudflare-nginx
< Date: Tue, 16 Sep 2014 10:55:05 GMT
< Content-Type: text/html
< Content-Length: 189
< Connection: keep-alive
< Set-Cookie: __cfduid=d70de5d39f42dd33ad26a1b577293398b1410864905141; expires=Mon, 23-Dec-2019 23:50:00 GMT; path=/; HttpOnly
< Location: https://www.gov.uk/
< CF-RAY: 16ac879924d30a66-LHR
<
* Ignoring the response-body
{ [data not shown]
100   189  100   189    0     0   7160      0 --:--:-- --:--:-- --:--:--  7875
* Connection #0 to host 2400:cb00:2048:1::6810:1931 left intact
* Issue another request to this URL: 'https://www.gov.uk/'
* Hostname was NOT found in DNS cache
*   Trying 185.31.18.144...
* Connected to www.gov.uk (185.31.18.144) port 443 (#1)
* successfully set certificate verify locations:
*   CAfile: none
  CApath: /etc/ssl/certs
* 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 key exchange (12):
* 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 DHE-RSA-AES128-GCM-SHA256
* Server certificate:
*        subject: C=US; ST=California; L=San Francisco; O=Fastly, Inc.; CN=www.gov.uk
*        start date: 2014-09-03 00:00:00 GMT
*        expire date: 2015-11-03 12:00:00 GMT
*        issuer: C=US; O=DigiCert Inc; OU=www.digicert.com; CN=DigiCert SHA2 High Assurance Server CA
*        SSL certificate verify ok.
> GET / HTTP/1.1
> User-Agent: curl/7.35.0
> Host: www.gov.uk
> Accept: */*
>
< HTTP/1.1 200 OK
< Date: Tue, 16 Sep 2014 10:55:05 GMT
* Server nginx is not blacklisted
< Server: nginx
< Content-Type: text/html; charset=utf-8
< Cache-Control: max-age=1800, public
< Status: 200 OK
< Strict-Transport-Security: max-age=31536000
< Via: 1.1 router
< X-Request-Id: 6c11c63512d1474fb7a4935ca87607db
< X-Ua-Compatible: IE=Edge,chrome=1
< Via: 1.1 varnish
< Content-Length: 24202
< Accept-Ranges: bytes
< Via: 1.1 varnish
< Age: 1045
< X-Served-By: cache-lcy1128-LCY
< X-Cache: HIT, HIT
< X-Cache-Hits: 30
< X-Timer: S1410864905.184209,VS0,VE0
< Vary: Accept-Encoding
<
{ [data not shown]
100 24202  100 24202    0     0   327k      0 --:--:-- --:--:-- --:--:--  327k
* Connection #1 to host www.gov.uk left intact