Starting zone checks
for iana.org
Checking zone
name
Resolving name-server
address
-> ns.icann.org. 21600 IN A 199.4.138.53
Checking existence
of zone
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
Checking NS
records
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
###
Warning: Origin server dns1.icann.org
not listed in NS records
Checking nameserver
authority and synchronization
-> ns.icann.org. 21600 IN A 199.4.138.53
->
53.138.4.199.in-addr.arpa. 28800 IN PTR ns.icann.org.
Probing name
server ns.icann.org
(199.4.138.53)
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
-> d.iana-servers.net. 1800 IN A 199.4.29.153
->
153.29.4.199.in-addr.arpa. 28800 IN PTR d.iana-servers.net.
Probing name
server d.iana-servers.net
(199.4.29.153)
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
-> c.iana-servers.net. 1800 IN A 139.91.1.10
###
Error: Unable to resolve
10.1.91.139.in-addr.arpa.: SERVFAIL
###
Error: c.iana-servers.net
(139.91.1.10) has no reverse
record [see RFC1912:2.1
for details]
Probing name
server c.iana-servers.net
(139.91.1.10)
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
-> b.iana-servers.net. 1800 IN A 199.43.133.53
->
53.133.43.199.in-addr.arpa. 28800 IN PTR b.iana-servers.net.
Probing name
server b.iana-servers.net
(199.43.133.53)
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
-> a.iana-servers.net. 1800 IN A 199.43.132.53
->
53.132.43.199.in-addr.arpa. 28800 IN PTR a.iana-servers.net.
Probing name
server a.iana-servers.net
(199.43.132.53)
-> iana.org. 3600 IN SOA dns1.icann.org.
hostmaster.icann.org.
(
2011081110 ; Serial
7200 ; Refresh
3600 ; Retry
1209600 ; Expire
3600 ) ; Minimum TTL
-> iana.org. 86400 IN NS a.iana-servers.net.
-> iana.org. 86400 IN NS b.iana-servers.net.
-> iana.org. 86400 IN NS c.iana-servers.net.
-> iana.org. 86400 IN NS d.iana-servers.net.
-> iana.org. 86400 IN NS ns.icann.org.
Decided to
use ns.icann.org
(199.4.138.53) for zone check
Checking
whether ns.icann.org
knows an A record for its own name
-> ns.icann.org. 21600 IN A 199.4.138.53
Checking
whether ns.icann.org
is able to reverse-map its own IP address
Checking mapping
of localhost
###
Error: Unable to resolve localhost:
SERVFAIL
###
Warning: ns.icann.org
is unable to resolve
localhost [see RFC1912:4.1
for details]
###
Error: Unable to resolve
1.0.0.127.in-addr.arpa: SERVFAIL
###
Warning: Reverse mapping of 127.0.0.1
at ns.icann.org
doesn't work [see RFC1912:4.1
for details]
Summary: 4 errors, 3
warnings