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$TTL 1h ; The default expiration time of a resource record without its own TTL value
$ORIGIN example.com.
@ IN SOA ns.example.com. username.example.com. (
2007120713 ; serial number of this zone file
10 ; slave refresh (1 day)
30 ; slave retry time in case of a problem (1 day)
4w ; slave expiration time (4 weeks)
1h ; minimum caching time in case of failed lookups (1 hour)
)
NS ns ; ns.example.com is the nameserver for example.com
NS ns.somewhere.com. ; ns.somewhere.com is a backup nameserver for example.com
MX 10 mail.example.com. ; mail.example.com is the mailserver for example.com
MX 20 mail2.example.com. ; Similar to above line, but using "@" to say "use $ORIGIN"
MX 50 mail3 ; Similar to above line, but using a host within this domain
A 10.0.0.1 ; ip address for "example.com"
ns A 10.0.0.2 ; ip address for "ns.example.com". Since there is no "." after ns, $ORIGIN is attached
www CNAME ns ; "www.example.com" is an alias for "ns.example.com"
wwwtest CNAME www ; "wwwtest.example.com" is another alias for "www.example.com"
mail A 10.0.0.3 ; ip address for "mail.example.com", any MX record host must be
ns.sub A 10.1.0.1 ; glue
;ns.sub TYPE23444 \# abcedfg
a A 10.0.0.4
*.a A 10.0.0.5
c CNAME c.a.example.com.
@ NS ns2
ns2 A 10.0.0.6
@ NS c.a.example.com.
sub2 NS ns.sub2.example.com.
*.sub2 A 10.2.0.1
_foobar._tcp SRV 0 1 9 old-slow-box.example.com.
SRV 0 3 9 new-fast-box.example.com.
; if neither old-slow-box or new-fast-box is up, switch to
; using the sysdmin's box and the server
SRV 1 0 9 sysadmins-box.example.com.
SRV 1 0 9 server.example.com.
server A 172.30.79.10
old-slow-box A 172.30.79.11
sysadmins-box A 172.30.79.12
new-fast-box A 172.30.79.13
; NO other services are supported
*._tcp SRV 0 0 0 .
*._udp SRV 0 0 0 .
sub3 NS ns.sub2.example.com.
sub4 NS ns.example.com.
d CNAME non-existing.example.com.
e DNAME bogus25.com.
f CNAME e.example.com.
g CNAME www.bogus25.com.
f.g A 10.0.0.20
h.i.j.k A 10.0.0.21
*.j.k A 10.0.0.22
sub5 CNAME sub3
*.l CNAME c.example.com.
;*.m NS ns.sub2.example.com.
*.n DNAME bogus25.com.
o CNAME a.e.example.com.
p CNAME a.sub.example.com.
r CNAME a.l.example.com.
*.s CNAME s
s A 10.1.1.1
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