| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21sttechnology.com | SOA | 21600 | ns1037.ui-dns.org hostmaster@1and1.co.uk 2017062303 28800 7200 604800 300 | |
| 21sttechnology.com | NS | 21600 | ns1037.ui-dns.de | |
| 21sttechnology.com | NS | 21600 | ns1037.ui-dns.com | |
| 21sttechnology.com | NS | 21600 | ns1037.ui-dns.biz | |
| 21sttechnology.com | NS | 21600 | ns1037.ui-dns.org | |
| 21sttechnology.com | A | 3600 | 217.160.0.210 | |
| 21sttechnology.com | MX | 3600 | 10 | mx00.ionos.co.uk |
| 21sttechnology.com | MX | 3600 | 10 | mx01.ionos.co.uk |
| www.21sttechnology.com | A | 3600 | 217.160.0.210 |