PROBLEM_NO_REVERSE_MAPPING for entity

R

regcom

New member
Joined
Oct 14, 2011
Messages
1
Hi,
I have this zone:

uniplan.it

$ORIGIN .
$TTL 3600 ; 1 hour
uniplan.it IN SOA uniserv.uniplan.it. admin.uniplan.it. (
2011101402
3600
1800
1209600
86400 )
$TTL 86400 ; 1 day
NS uniserv.uniplan.it.
NS uniserv1.uniplan.it.
NS webserver.uniplan.it.
$TTL 3600 ; 1 hour
A 217.20.0.2
MX 10 uniserv.uniplan.it.
$ORIGIN uniplan.it.
axis2100 A 217.20.0.15
board A 217.20.0.140
clessidra A 217.20.0.32
$ORIGIN clessidra.uniplan.it.
www A 217.20.0.32
$ORIGIN uniplan.it.
frattamaggiore A 85.44.177.45
$ORIGIN frattamaggiore.uniplan.it.
www A 85.44.177.45
$ORIGIN uniplan.it.
ftp CNAME uniserv
gargano A 217.20.0.73
$ORIGIN gargano.uniplan.it.
www A 217.20.0.73
$ORIGIN uniplan.it.
gesema.uniplan.it. IN A 85.33.176.119
$ORIGIN gesema.uniplan.it.
www.gesema.uniplan.it. IN A 85.33.176.119
$ORIGIN uniplan.it.
www.gesemaeco A 85.18.249.93
gm A 172.16.1.246
gm1mex A 172.16.80.61
gm2mex A 172.16.1.222
gm3mex A 172.16.1.222
localhost A 127.0.0.1
mailserver A 217.20.0.31
$ORIGIN mailserver.uniplan.it.
mailserver A 217.20.0.31
$TTL 86400 ; 1 day
$ORIGIN uniplan.it.
$TTL 3600 ; 1 hour
nt01 A 217.20.0.179
nt02 A 217.20.3.20
nt03 A 217.20.1.150
$TTL 86400 ; 1 day
ovi A 217.20.0.31
$TTL 3600 ; 1 hour
pomilia A 151.58.32.85
$ORIGIN pomilia.uniplan.it.
www A 151.58.32.85
$ORIGIN uniplan.it.
posta A 217.20.1.150
$ORIGIN posta.uniplan.it.
www A 217.20.1.150
$ORIGIN uniplan.it.
postfix A 217.20.0.76
radio A 217.20.0.73
$ORIGIN radio.uniplan.it.
www A 217.20.0.73
$ORIGIN uniplan.it.
rcis-01 A 217.20.0.1
rcis-02 A 217.20.0.14
rliv01-02 A 217.20.0.10
rliv02-02 A 217.20.0.13
rliv03-02 A 217.20.0.12
rliv04-02 A 217.20.0.11
sanmarcocavoti A 172.16.40.206
$ORIGIN sanmarcocavoti.uniplan.it.
www A 172.16.40.206
$ORIGIN uniplan.it.
spin0 A 217.20.1.8
spin1 A 217.20.3.3
spin2 A 217.20.3.2
spin3 A 217.20.3.103
www.radio.tanagro A 85.44.172.158
$TTL 14400 ; 4 hours
uniplan TXT "v=spf1 a mx -all"
$TTL 3600 ; 1 hour
uniserv.uniplan.it. IN A 217.20.0.2
uniserv1.uniplan.it. IN A 217.20.0.3
watch02 A 217.20.0.176
watch03 A 217.20.0.177
weblinux A 217.20.0.72
webserver.uniplan.it. IN A 217.20.0.30
www CNAME uniserv
www4 A 217.20.0.73
gol.uniplan.it. IN A 217.20.1.150
mailserver-dns.uniplan.it. IN A 217.20.0.2
uniserv.uniplan.it. PTR 217.20.0.2
uniserv1.uniplan.it. PTR 217.20.0.3
webserver.uniplan.it. PTR 217.20.0.30

I have created this reverse zone:

217.20.0.

$ttl 38400
@ IN SOA uniserv.uniplan.it. system.uniplan.it. (
2011101403
10800
3600
604800
38400 )

2 IN NS uniserv.uniplan.it.
3 IN NS uniserv.uniplan.it.
30 IN NS uniserv.uniplan.it.

2 IN PTR uniserv.uniplan.it.
3 IN PTR uniserv1.uniplan.it.
30 IN PTR webserver.uniplan.it.

I have tested the zone with RIPE Zone Delegation Checker and I have this error:


>Check uniserv.uniplan.it details
PROBLEM_NO_REVERSE_MAPPING for entity uniserv.uniplan.it
>Args: 217.20.0.2, uniserv.uniplan.it
>Check uniserv1.uniplan.it details
PROBLEM_NO_REVERSE_MAPPING for entity uniserv1.uniplan.it
>Args: 217.20.0.3, uniserv1.uniplan.it
>Check webserver.uniplan.it details
PROBLEM_NO_REVERSE_MAPPING for entity webserver.uniplan.it
>Args: 217.20.0.30, webserver.uniplan.it


Can you help me to solve this error?

Thanks.
 
You cannot setup ptr records unless your hosting provider forwards the requests to your nameservers. They obviously are not doing that as you can tell with a dig +trace
 
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