81.0.131.in-addr.arpa.NS-2.GCU.COM.BRNS-1.GCU.COM.BRhttps://rdap.arin.net/registry/domain/81.0.131.in-addr.arpa.https://whois.arin.net/rest/rdns/81.0.131.in-addr.arpa.2024-04-17T20:01:11-04:00