Let's say you want to find all the subdomains/cnames of 'lowlife.org':
Another way is using spy sites:
http://www.ip2country.cc/?q=##
http://##.websitetrafficspy.com/
http://spyonweb.com/##
http://webmastercoffee.com/en/site/##
http://www.mydnstats.com/index.php?a=search&q=##
http://www.robtex.com/dns/##.html
http://dns.l4x.org/##
http://uptime.netcraft.com/up/graph?site=##
http://sameip.org/ip/##
http://www.hostsearch.cc/##
user@host:/#dig lowlife.org
; <<>> DiG 8.2 <<>> lowlife.org
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; lowlife.org, type = A, class = IN
;; AUTHORITY SECTION:
lowlife.org. 1D IN SOA ns0.demon.nl. hostmaster.demon.nl. (
2000801000 ; serial
6H ; refresh
30M ; retry
2W ; expiry
1D ) ; minimum
Here you can see that the authoritive nameserver is 'ns0.demon.nl'.
Oke now lets look at the subdomains/cnames:
user@host:/#dig @ns0.demon.nl lowlife.org axfr
; <<>> DiG 8.2 <<>> @ns0.demon.nl lowlife.org axfr
; (1 server found)
$ORIGIN lowlife.org.
@ 1D IN SOA ns0.demon.nl. hostmaster.demon.nl. (
2000801000 ; serial
6H ; refresh
30M ; retry
2W ; expiry
1D ) ; minimum
1D IN NS ns0.demon.nl.
1D IN NS ns0.demon.co.uk.
1D IN MX 10 punt.mail.nl.demon.net.
1D IN MX 40 relay-2.mail.nl.demon.net.
1D IN MX 60 relay-1.mail.demon.net.
1D IN MX 60 relay-2.mail.demon.net.
demon 1D IN CNAME www
middelburg 1D IN A 212.92.68.205
freebsd 1D IN CNAME www
localhost 1D IN A 127.0.0.1
www 1D IN A 195.11.225.234
1D IN MX 10 punt.mail.nl.demon.net.
1D IN MX 40 relay-2.mail.nl.demon.net.
1D IN MX 60 relay-1.mail.demon.net.
1D IN MX 60 relay-2.mail.demon.net.
project 1D IN A 145.92.3.32
sentinel 1D IN CNAME www
* 1D IN MX 10 punt.mail.nl.demon.net.
1D IN MX 40 relay-2.mail.nl.demon.net.
1D IN MX 60 relay-1.mail.demon.net.
1D IN MX 60 relay-2.mail.demon.net.
@ 1D IN SOA ns0.demon.nl. hostmaster.demon.nl. (
2000801000 ; serial
6H ; refresh
30M ; retry
2W ; expiry
1D ) ; minimum
;; Received 23 answers (23 records).
;; FROM: lowlife.support.nl.demon.net to SERVER: 194.159.73.5
;; WHEN: Thu Sep 14 10:24:28 2000
And tataaaaa: you see the subdomains: localhost, middelburg, www and project
and the cnames: demon, freebsd and sentinel.
man dig
Dig (domain information groper) is a flexible command line tool which can
be used to gather information from the Domain Name System servers.
All query options are accessible from the command line.
The usual simple use of dig will take the form:
dig @server domain query-type query-class
query-type is the type of information (DNS query type) that you are re-
questing. If omitted, the default is ``a'' (T_A = address).
The following types are recognized:
a T_A network address
any T_ANY all/any information about specified domain
mx T_MX mail exchanger for the domain
ns T_NS name servers
soa T_SOA zone of authority record
hinfo T_HINFO host information
axfr T_AXFR zone transfer (must ask an authoritative
server)
txt T_TXT arbitrary number of strings
(See RFC 1035 for the complete list.)
query-class
is the network class requested in the query. If omitted, the
default is ``in'' (C_IN = Internet). The following classes
are recognized:
in C_IN Internet class domain
any C_ANY all/any class information
(See RFC 1035 for the complete list.)
Note: ``Any'' can be used to specify a class and/or a type of
query. Dig will parse the first occurrence of ``any'' to
mean query-type = T_ANY. To specify query-class = C_ANY, you
must either specify ``any'' twice, or set query-class using
the -c option (see below).
Using host
Use host like this:
user@host:/#host -l -t any lowlife.org
lowlife.org start of authority ns0.demon.nl hostmaster.demon.nl(
2000801000 ;serial (version)
21600 ;refresh period
1800 ;retry refresh this often
1209600 ;expiration period
86400 ;minimum TTL
)
lowlife.org name server ns0.demon.nl
lowlife.org name server ns0.demon.co.uk
lowlife.org mail is handled (pri=10) by punt.mail.nl.demon.net
lowlife.org mail is handled (pri=40) by relay-2.mail.nl.demon.net
lowlife.org mail is handled (pri=60) by relay-1.mail.demon.net
lowlife.org mail is handled (pri=60) by relay-2.mail.demon.net
demon.lowlife.org is a nickname for www.lowlife.org
middelburg.lowlife.org has address 212.92.68.205
freebsd.lowlife.org is a nickname for www.lowlife.org
localhost.lowlife.org has address 127.0.0.1
www.lowlife.org mail is handled (pri=10) by punt.mail.nl.demon.net
www.lowlife.org mail is handled (pri=40) by relay-2.mail.nl.demon.net
www.lowlife.org mail is handled (pri=60) by relay-1.mail.demon.net
www.lowlife.org mail is handled (pri=60) by relay-2.mail.demon.net
www.lowlife.org has address 195.11.225.234
project.lowlife.org has address 145.92.3.32
*.lowlife.org mail is handled (pri=10) by punt.mail.nl.demon.net
*.lowlife.org mail is handled (pri=40) by relay-2.mail.nl.demon.net
*.lowlife.org mail is handled (pri=60) by relay-1.mail.demon.net
*.lowlife.org mail is handled (pri=60) by relay-2.mail.demon.net
sentinel.lowlife.org is a nickname for www.lowlife.org
lowlife.org start of authority ns0.demon.nl hostmaster.demon.nl(
2000801000 ;serial (version)
21600 ;refresh period
1800 ;retry refresh this often
1209600 ;expiration period
86400 ;minimum TTL
)
Oke this is allot of info if you're just interested in the cnames/subdomains try this:
user@host:/#host -l lowlife.org
lowlife.org name server ns0.demon.nl
lowlife.org name server ns0.demon.co.uk
middelburg.lowlife.org has address 212.92.68.205
localhost.lowlife.org has address 127.0.0.1
www.lowlife.org has address 195.11.225.234
project.lowlife.org has address 145.92.3.3
Which just gives you the subdomains and try this:
user@host:/#host -l -t cname lowlife.org
demon.lowlife.org is a nickname for www.lowlife.org
freebsd.lowlife.org is a nickname for www.lowlife.org
sentinel.lowlife.org is a nickname for www.lowlife.org
for the cnames.
Another way is using spy sites:
http://www.ip2country.cc/?q=##
http://##.websitetrafficspy.com/
http://spyonweb.com/##
http://webmastercoffee.com/en/site/##
http://www.mydnstats.com/index.php?a=search&q=##
http://www.robtex.com/dns/##.html
http://dns.l4x.org/##
http://uptime.netcraft.com/up/graph?site=##
http://sameip.org/ip/##
http://www.hostsearch.cc/##
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