cant register domain. it seems like somebody already used it

cant register domain. it seems like somebody already used it

hi,
while trying to register for custom mail domain it says this domain is already registered with this email id i*****@n*****
which is quite shocking and frustrating at the same time.
it seems like somebody mistakenly registered my domain and is yet to be verified.
which blocked me from registering it.
somebody kindly suggest me to unblock it.
Admin please remove that domain from whomever has hoarded. so that i can register and verify.