Unlock Iphone Check IMEI ?- help

Hello...

Can you help me to check IMEI are UNLOCK ?

I see all free is Server Down 🙂

1. 012431001366981

2. 012418007591746

3. 012535008168099

i send to unlock but i can see are Unlock 😟 help me please .

Thank you !

p.s can you tell me free webs for check ?