Apple Store dns ttl change

@Wed Mar  7 15:15:16 EST 2012 the dns ttl for apple is


store.apple.com.        259     IN      CNAME   store.gcsis-apple.com.akadns.net.
store.gcsis-apple.com.akadns.net. 19 IN A       17.112.156.51

while

apple.com.              2484    IN      A       17.149.160.49

apple.com.              2484    IN      A       17.172.224.47