$TTL 300
; example.org
@       IN      SOA     ns1.example.org. postmaster.example.org. (
                                        2018111111 ; Serial
                                        28800      ; Refresh
                                        1800       ; Retry
                                        604800     ; Expire - 1 week
                                        86400 )    ; Negative Cache TTL
                IN      NS      ns1
ns1             IN      A       192.5.0.10
server1         IN      A       192.5.0.20
server2         IN      A       192.5.0.30
xp1             IN      A       192.5.0.40
xp2             IN      A       192.5.0.50
xp3             IN      A       192.5.0.60
web1            IN      A       192.5.0.70
web2            IN      A       192.5.0.80

one    IN      CNAME   web1
two    IN      CNAME   web2

scansion.one    IN      CNAME   xp3
scansion.two    IN      CNAME   xp3