Check iPhone warranty status while site is down??

i have been trying since last hour , urgently need check iphone warranty status in singapore..i message apple:

system down maintenance

we're sorry, our system not available @ time.

please try again in few minutes or return apple support site.

other way around this?

tried following:

https://selfsolve.apple.com/getwarranty.do

 

could plz kindly check warranty status following s/n:

88013zwz3nr

 

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