And yes this works for signed time regardless of whether it is ones complement or twos complement.
> On 22 Jul 2026, at 12:06, marka <[email protected]> wrote: > > Yes. Serial numbers use modulo arithmetic. See RFC 1982. The value is just > entered > as: serial = time % (2^32) with checks to ensure it is monotonically > increasing on each > change which allows for more than one change per second. > >> On 22 Jul 2026, at 03:00, Paul Kosinski via bind-users >> <[email protected]> wrote: >> >> So BIND's UnixTime, being represented in decimal, allows values beyond >> 2^32-1 without any problem? >> >> >> On Tue, 21 Jul 2026 18:36:53 +0200 >> Ondřej Surý <[email protected]> wrote: >> >>> Hi Ajay, >>> >>> switch to unixtime serial number and the problem goes away. You will also >>> get >>> a one-second granularity for the updates as free bonus. The YYYYMMDDNN >>> only allows 100 updates per-day. >>> >>> Ondrej >>> -- >>> Ondřej Surý (He/Him) >>> [email protected] >> -- >> Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from >> this list. > > -- > Mark Andrews, ISC > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: [email protected] > > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from > this list. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: [email protected] -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list.
