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/nu1qx38mad07xr9l7znl7y59m0yy8ms7yl84fyvx68{
"isvalid": true,
"address": "nu1qx38mad07xr9l7znl7y59m0yy8ms7yl84fyvx68",
"scriptPubKey": "0014344fbeb5fe30cbff0a7ff1285dbc843ee1e27cf5",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "344fbeb5fe30cbff0a7ff1285dbc843ee1e27cf5"
}