| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 1und1.us | SOA | 21600 | ns-telco.ui-dns.com dnsadmin@ionos.com 2020050101 14400 3600 605000 600 | |
| 1und1.us | NS | 21600 | ns-telco.ui-dns.biz | |
| 1und1.us | NS | 21600 | ns-telco.ui-dns.com | |
| 1und1.us | NS | 21600 | ns-telco.ui-dns.de | |
| 1und1.us | NS | 21600 | ns-telco.ui-dns.org | |
| 1und1.us | MX | 300 | 1 | no-mx.ui-dns.com |
| www.1und1.us | MX | 300 | 1 | no-mx.ui-dns.com |