It is a known scam site, do not use it. For scam accusation threads, google 'bitcoinvanity scam bitcointalk'
so what site is legit one to make custom address? pls give
You should not use websites to create vanity addresses as that generally means they have the copy of private key of that address and are able to use the BTC in that address any time they want.
Create a vanity address yourself,
https://bitcointalk.org/index.php?topic=25804.0