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/nu1qn8qexez6slwt65zxmnjtdl3gqnpfzg447ry980{
"isvalid": true,
"address": "nu1qn8qexez6slwt65zxmnjtdl3gqnpfzg447ry980",
"scriptPubKey": "001499c193645a87dcbd5046dce4b6fe2804c29122b5",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "99c193645a87dcbd5046dce4b6fe2804c29122b5"
}