Since this explorer is database-free, it doesn't natively support address balances & transaction history. However, you can check it in :
https://explorer.taobot.org/address/nu1qaz37hn2tnjhfxwy3pxkwe9z47937ucayn4lq83{
"isvalid": true,
"address": "nu1qaz37hn2tnjhfxwy3pxkwe9z47937ucayn4lq83",
"scriptPubKey": "0014e8a3ebcd4b9cae93389109acec9455f163ee63a4",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "e8a3ebcd4b9cae93389109acec9455f163ee63a4"
}