1; This is a key-signing key, keyid 5896, for example.
2example. IN DNSKEY 257 3 5 AwEAAaLNbgMfH/XUwZC9DBVG4OpYVUVyCyZEBqhk3k6WziIAY+2f7MN3 L9CoZR9GqfqM+/c6g8gfkIaZZ2YP/YUUaN73xH/nxtHYkrP5Rqe/dw7q ONnsVwvf3HJ8HvURG3wjaOrPoe207+HpNTNhe/sT2usKhokSU8yKB0DK lnrKQvp9vScsIB/RsIxOXWmYgOMkSXtpI3lQ07l1i2Tv6UnecD9s8ruk fl/gPbRBketLYACrqpb2j/1f7ciQv+rz1GnN9ma8XK1Yw8173/hrVL1S /ZqTGczwdeA3AVyiHThOZ15EPhSuL7jaJusHOi43Aa8ZfCMCeimT73F5 epktGomAxFU=
3