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/nu1q5ull4pn0ztcmp2d3gl53zzg365q7qpn7gut9uj{
"isvalid": true,
"address": "nu1q5ull4pn0ztcmp2d3gl53zzg365q7qpn7gut9uj",
"scriptPubKey": "0014a73ffa866f12f1b0a9b147e9110911d501e0067e",
"isscript": false,
"iswitness": true,
"witness_version": 0,
"witness_program": "a73ffa866f12f1b0a9b147e9110911d501e0067e"
}