Hola de nuevo amigos,
Aqui os pongo un ejemplo de una sesion de
dnsmap para que los usuarios de
foro.elhacker.net se puedan hacer una idea de lo que hace esta herramienta.
Para obtener ayuda sobre la sintasis, ejecutamos dnsmap sin ningun parametro:
$ ./dnsmap
dnsmap 0.24 - DNS Network Mapper by pagvac (gnucitizen.org)
usage: dnsmap <target-domain> [options]
options:
-w <wordlist-file>
-r <regular-results-file>
-c <csv-results-file>
-d <delay-milliseconds>
e.g.:
dnsmap target-domain.foo
dnsmap target-domain.foo -w yourwordlist.txt -r /tmp/domainbf_results.txt
dnsmap target-fomain.foo -r /tmp/ -d 3000
dnsmap target-fomain.foo -r ./domainbf_results.txt
En el siguiente ejemplo elegimos google.com para enumerar subdominios y sus correspondientes IPs (IPv4 y IPv6 donde se aplique). Vemos que usamos el diccionario incorporado en dnsmap (este es el comportamiento por defecto), guardamos los resultados en '/tmp/' en formato normal y CSV; y finalmente introducimos un retardo the 400 milisegundos (0,4 segundos) entre cada peticion DNS:
$ ./dnsmap google.com -c /tmp/ -r /tmp/ -d 400
dnsmap 0.24 - DNS Network Mapper by pagvac (gnucitizen.org)
[+] searching (sub)domains for google.com using built-in wordlist
[+] using maximum random delay of 400 millisecond(s) between requests
ap.google.com
IP address #1: 66.102.13.105
IP address #2: 66.102.13.99
IP address #3: 66.102.13.103
IP address #4: 66.102.13.104
IP address #5: 66.102.13.147
IP address #6: 66.102.13.106
blog.google.com
IP address #1: 209.85.227.191
catalog.google.com
IP address #1: 209.85.229.100
IP address #2: 209.85.229.113
IP address #3: 209.85.229.101
IP address #4: 209.85.229.138
IP address #5: 209.85.229.139
IP address #6: 209.85.229.102
catalogue.google.com
IP address #1: 209.85.229.100
IP address #2: 209.85.229.139
IP address #3: 209.85.229.101
IP address #4: 209.85.229.113
IP address #5: 209.85.229.102
IP address #6: 209.85.229.138
directory.google.com
IP address #1: 209.85.227.101
IP address #2: 209.85.227.139
IP address #3: 209.85.227.138
IP address #4: 209.85.227.100
IP address #5: 209.85.227.113
download.google.com
IP address #1: 74.125.79.104
IP address #2: 74.125.79.147
IP address #3: 74.125.79.99
downloads.google.com
IP address #1: 74.125.79.104
IP address #2: 74.125.79.99
IP address #3: 74.125.79.147
email.google.com
IP address #1: 209.85.227.101
IP address #2: 209.85.227.113
IP address #3: 209.85.227.139
IP address #4: 209.85.227.138
IP address #5: 209.85.227.100
finance.google.com
IP address #1: 74.125.79.99
IP address #2: 74.125.79.104
IP address #3: 74.125.79.147
groups.google.com
IP address #1: 66.102.13.139
IP address #2: 66.102.13.113
IP address #3: 66.102.13.102
IP address #4: 66.102.13.100
IP address #5: 66.102.13.138
IP address #6: 66.102.13.101
help.google.com
IP address #1: 209.85.227.101
IP address #2: 209.85.227.100
IP address #3: 209.85.227.138
IP address #4: 209.85.227.139
IP address #5: 209.85.227.113
images.google.com
IP address #1: 209.85.227.106
IP address #2: 209.85.227.104
IP address #3: 209.85.227.103
IP address #4: 209.85.227.99
IP address #5: 209.85.227.147
IP address #6: 209.85.227.105
ipv6.google.com
IPv6 address #1: 2a00:1450:8006::69
IPv6 address #2: 2a00:1450:8006::93
IPv6 address #3: 2a00:1450:8006::67
IPv6 address #4: 2a00:1450:8006::63
IPv6 address #5: 2a00:1450:8006::6a
IPv6 address #6: 2a00:1450:8006::68
labs.google.com
IP address #1: 209.85.227.101
IP address #2: 209.85.227.113
IP address #3: 209.85.227.139
IP address #4: 209.85.227.138
IP address #5: 209.85.227.100
mail.google.com
IP address #1: 209.85.227.83
IP address #2: 209.85.227.17
IP address #3: 209.85.227.18
IP address #4: 209.85.227.19
mobile.google.com
IP address #1: 209.85.227.193
news.google.com
IP address #1: 209.85.227.106
IP address #2: 209.85.227.103
IP address #3: 209.85.227.105
IP address #4: 209.85.227.99
IP address #5: 209.85.227.147
IP address #6: 209.85.227.104
ns.google.com
IP address #1: 216.239.32.10
ns1.google.com
IP address #1: 216.239.32.10
ns2.google.com
IP address #1: 216.239.34.10
ns3.google.com
IP address #1: 216.239.36.10
photo.google.com
IP address #1: 209.85.227.136
IP address #2: 209.85.227.190
IP address #3: 209.85.227.93
IP address #4: 209.85.227.91
photos.google.com
IP address #1: 209.85.227.91
IP address #2: 209.85.227.93
IP address #3: 209.85.227.136
IP address #4: 209.85.227.190
proxy.google.com
IP address #1: 66.102.14.225
IP address #2: 64.233.179.4
IP address #3: 64.233.161.4
IP address #4: 64.233.169.4
IP address #5: 216.239.59.4
IP address #6: 64.233.167.4
IP address #7: 64.233.165.4
IP address #8: 216.239.55.5
IP address #9: 216.239.42.4
IP address #10: 66.102.0.4
IP address #11: 66.102.14.241
IP address #12: 64.233.184.4
IP address #13: 64.233.187.4
IP address #14: 66.102.9.4
IP address #15: 216.239.53.4
IP address #16: 216.239.57.4
IP address #17: 64.233.171.4
research.google.com
IP address #1: 209.85.227.113
IP address #2: 209.85.227.138
IP address #3: 209.85.227.139
IP address #4: 209.85.227.101
IP address #5: 209.85.227.100
sandbox.google.com
IP address #1: 66.102.13.81
search.google.com
IP address #1: 209.85.229.138
IP address #2: 209.85.229.139
IP address #3: 209.85.229.101
IP address #4: 209.85.229.102
IP address #5: 209.85.229.100
IP address #6: 209.85.229.113
services.google.com
IP address #1: 209.85.227.138
IP address #2: 209.85.227.100
IP address #3: 209.85.227.113
IP address #4: 209.85.227.101
IP address #5: 209.85.227.139
shopping.google.com
IP address #1: 209.85.227.138
IP address #2: 209.85.227.100
IP address #3: 209.85.227.113
IP address #4: 209.85.227.101
IP address #5: 209.85.227.139
sms.google.com
IP address #1: 209.85.227.138
IP address #2: 209.85.227.100
IP address #3: 209.85.227.113
IP address #4: 209.85.227.101
IP address #5: 209.85.227.139
smtp.google.com
IP address #1: 74.125.45.25
support.google.com
IP address #1: 209.85.229.138
IP address #2: 209.85.229.100
IP address #3: 209.85.229.139
IP address #4: 209.85.229.102
IP address #5: 209.85.229.101
IP address #6: 209.85.229.113
uploads.google.com
IP address #1: 72.14.245.21
vpn.google.com
IP address #1: 64.9.224.70
IP address #2: 64.9.224.69
IP address #3: 64.9.224.68
wap.google.com
IP address #1: 209.85.227.138
IP address #2: 209.85.227.100
IP address #3: 209.85.227.113
IP address #4: 209.85.227.101
IP address #5: 209.85.227.139
web.google.com
IP address #1: 209.85.227.138
IP address #2: 209.85.227.100
IP address #3: 209.85.227.113
IP address #4: 209.85.227.101
IP address #5: 209.85.227.139
webmaster.google.com
IP address #1: 209.85.229.138
IP address #2: 209.85.229.139
IP address #3: 209.85.229.101
IP address #4: 209.85.229.102
IP address #5: 209.85.229.100
IP address #6: 209.85.229.113
www.google.com
IP address #1: 209.85.227.105
IP address #2: 209.85.227.104
IP address #3: 209.85.227.103
IP address #4: 209.85.227.99
IP address #5: 209.85.227.106
IP address #6: 209.85.227.147
www2.google.com
IP address #1: 64.233.179.104
www3.google.com
IP address #1: 64.233.179.104
[+] 40 (sub)domains and 168 IP address(es) found
[+] regular-format results can be found on /tmp/dnsmap_google_com_2010_01_07_091626.txt
[+] csv-format results can be found on /tmp/dnsmap_google_com_2010_01_07_091626.csv
[+] completion time: 181 second(s)
Tambien podriamos usar nuestra propia wordlist usando el parametro '-w', que siempre es buena idea para obtener subdominos adicionales.
PD: gracias por los comentarios y testeo de @Anon y @averno.