| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rs21.co.uk | SOA | 21600 | ns1.krystal.uk admin@k-validator-carp-lon.krystal.uk 2025021701 3600 1800 1209600 86400 | |
| rs21.co.uk | NS | 5944 | ns1.krystal.uk | |
| rs21.co.uk | NS | 5944 | ns2.krystal.uk | |
| rs21.co.uk | A | 13829 | 77.72.2.87 | |
| rs21.co.uk | MX | 3600 | 20 | mx2.krystal.uk |
| rs21.co.uk | MX | 3600 | 10 | mx1.krystal.uk |
| www.rs21.co.uk | A | 14400 | 77.72.2.87 | |
| www.rs21.co.uk | CNAME | 14399 | rs21.co.uk | |
| www.rs21.co.uk | MX | 3600 | 10 | mx1.krystal.uk |
| www.rs21.co.uk | MX | 3600 | 20 | mx2.krystal.uk |