I have to find if there are any subdomains in internet for along with IP address

how should I find.
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Dan CraciunIT ConsultantCommented:
They don't allow zone transfers, so you're going to need to find the subdomains manually.

Like this:


; <<>> DiG 9.9.7-P2 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49835
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5

; EDNS: version: 0, flags:; udp: 4096
;                   IN      A

;; ANSWER SECTION:            3600    IN      A

;; AUTHORITY SECTION:            172800  IN      NS            172800  IN      NS            172800  IN      NS            172800  IN      NS

;; ADDITIONAL SECTION:   36411   IN      A   36424   IN      A  36406   IN      A 36806  IN      A

;; Query time: 435 msec
;; WHEN: Wed Oct 21 00:39:47 EEST 2015
;; MSG SIZE  rcvd: 257

dig axfr

; <<>> DiG 9.9.7-P2 <<>> axfr
;; global options: +cmd
; Transfer failed.

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pramod1Author Commented:
where did you write this command  and where can I see subdomains
Dan CraciunIT ConsultantCommented:
dig is a linux command
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pramod1Author Commented:
thanks but I am asking how did you get
Dan CraciunIT ConsultantCommented:
Oh, that's easy. Google.
Search for "find subdomains" and then click on the first result:
pramod1Author Commented:
my user for whom I am finding this says there is one another sub-domain

where can we find this
Dan CraciunIT ConsultantCommented:

;; ANSWER SECTION: 3600    IN      CNAME 300 IN A
pramod1Author Commented:
the site link you provided didn't give, how can I confirm if I am missing some other other sub -domains as I didn't get subdomain info of
Dan CraciunIT ConsultantCommented:
A: you can't.

The only way to get all the subdomains are if the DNS server allows zone transfer.
The rest is guesswork
pramod1Author Commented:
how do you know the dns server doesn't allow zone transfer-my last question
Dan CraciunIT ConsultantCommented:
Because of this:

; <<>> DiG 9.9.7-P2 <<>> axfr
;; global options: +cmd
; Transfer failed.
pramod1Author Commented:
sorry but we cannot allow zone transfer ourselves
Dan CraciunIT ConsultantCommented:
??? I don't understand.

If you have control over that DNS server, you can choose what IPs are allowed to transfer your zones.
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