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set the DNS TTL to 30 minutes rather than 1 day

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Also updating the values for secondary DNS, but we're not set up
for secondary DNS so it won't matter.

see #172
This commit is contained in:
Joshua Tauberer 2014-09-01 23:05:42 +00:00
parent 3853e8dd93
commit 7a449c76a1
1 changed files with 12 additions and 8 deletions
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20
management/dns_update.py
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@ -331,23 +331,27 @@ def build_sshfp_records():
########################################################################
def write_nsd_zone(domain, zonefile, records, env, force):
# We set the administrative email address for every domain to domain_contact@[domain.com].
# You should probably create an alias to your email address.
# On the $ORIGIN line, there's typically a ';' comment at the end explaining
# what the $ORIGIN line does. Any further data after the domain confuses
# ldns-signzone, however. It used to say '; default zone domain'.
# The SOA contact address for all of the domains on this system is hostmaster
# @ the PRIMARY_HOSTNAME. Hopefully that's legit.
# For the refresh through TTL fields, a good reference is:
# http://www.peerwisdom.org/2013/05/15/dns-understanding-the-soa-record/
zone = """
$ORIGIN {domain}.
$TTL 86400 ; default time to live
$TTL 1800 ; default time to live
@ IN SOA ns1.{primary_domain}. hostmaster.{primary_domain}. (
__SERIAL__ ; serial number
28800 ; Refresh
7200 ; Retry
864000 ; Expire
86400 ; Min TTL
7200 ; Refresh (secondary nameserver update interval)
1800 ; Retry (when refresh fails, how often to try again)
1209600 ; Expire (when refresh fails, how long secondary nameserver will keep records around anyway)
1800 ; Negative TTL (how long negative responses are cached)
)
"""