| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21research.de | SOA | 21600 | ns.udag.de hostmaster@united-domains.de 2023112900 10800 3600 604800 3600 | |
| 21research.de | NS | 21600 | ns.udag.de | |
| 21research.de | NS | 21600 | ns.udag.org | |
| 21research.de | NS | 21600 | ns.udag.net | |
| 21research.de | A | 600 | 89.31.143.90 | |
| 21research.de | MX | 3600 | 10 | smx00.udag.de |
| 21research.de | MX | 3600 | 10 | smx01.udag.de |
| www.21research.de | A | 600 | 89.31.143.90 |