root[~]% dig ftp.kame.net AAAA

;; ANSWER SECTION:
ftp.kame.net.           86377   IN      CNAME   apple.kame.net.
apple.kame.net.         86377   IN      CNAME   kame220.kame.net.
kame220.kame.net.       85087   IN      AAAA    2001:200:0:4819:210:f3ff:fe03:4d0
kame220.kame.net.       85087   IN      AAAA    3ffe:501:4819:2000:210:f3ff:fe03:4d0



root[~]% ftp 3ffe:501:4819:2000:210:f3ff:fe03:4d0
Connected to 3ffe:501:4819:2000:210:f3ff:fe03:4d0.
220-
220 apple.kame.net FTP server (NetBSD-ftpd 20010329) ready.
Name (3ffe:501:4819:2000:210:f3ff:fe03:4d0:goblins): ftp
331 Guest login ok, type your name as password.
Password:
230 Guest login ok, access restrictions apply.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
200 EPRT command successful.
150 Opening ASCII mode data connection for '/bin/ls'.
total 10
drwxr-xr-x  9 root  wheel  512 Apr 12  2001 .mirror
lrwxrwxrwx  1 root  wheel    7 Feb 16 18:53 .mirror1 -> .mirror
lrwxrwxrwx  1 root  wheel    7 Feb 16 18:54 .mirror2 -> .mirror
lrwxrwxrwx  1 root  wheel    7 Feb 16 18:54 .mirror3 -> .mirror
lrwxrwxrwx  1 root  wheel    7 Feb 16 18:54 .mirror4 -> .mirror
drwxr-xr-x  2 root  wheel  512 Feb 16 18:56 bin
drwx--x--x  2 root  wheel  512 Feb 16 18:56 etc
drwxrwxr-x  8 root  wheel  512 Sep 19  2001 pub
drwxr-x---  4 wide  wheel  512 Oct  3  2000 wide
226 Transfer complete.
ftp> quit
221-
    Data traffic for this session was 0 bytes in 0 files.
    Total traffic for this session was 978 bytes in 1 transfer.
221 Thank you for using the FTP service on apple.kame.net.



root[~]% netstat -an
Active Internet connections (including servers)
Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)
tcp6       0      0  3ffe:200:1:84::2.2449  3ffe:501:4819:20.21    ESTABLISHED