TTL

Jim Reid jim at rfc1035.com
Fri Aug 17 14:27:13 UTC 2001


>>>>> "Roger" == Roger Oliver Clark <roclar at wm.edu> writes:

    Roger> From BIND 8.2.3 you are required to set the default time
    Roger> to live at the top of the zone file.  

Er, not exactly. The $TTL directive was introduced in BIND8.2 to
support RFC2308's negative caching semantics. It's not mandatory to
use them. If you don't BIND versions > 8.2 will print a warning
message. With BIND9, a $TTL directive or explicit TTL in the SOA
record *is* required.


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