| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| gmx.online | SOA | 21600 | ns-mam.ui-dns.com dnsadmin@ionos.com 2020101201 14400 3600 605000 600 | |
| gmx.online | NS | 21600 | ns-mam.ui-dns.de | |
| gmx.online | NS | 21600 | ns-mam.ui-dns.com | |
| gmx.online | NS | 21600 | ns-mam.ui-dns.org | |
| gmx.online | NS | 21600 | ns-mam.ui-dns.biz | |
| gmx.online | MX | 21600 | 10 | mxint02.1and1.com |
| gmx.online | MX | 21600 | 10 | mxint01.1and1.com |