| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 4sail.cz | SOA | 900 | ns.web4u.cz admin@web4u.cz 2023082001 10800 3600 1209600 14400 | |
| 4sail.cz | NS | 900 | ns.web4u.cz | |
| 4sail.cz | NS | 900 | ns2.web4u.cz | |
| 4sail.cz | A | 900 | 85.255.3.20 | |
| 4sail.cz | MX | 900 | 10 | inbound.mailersend.net |
| www.4sail.cz | A | 900 | 85.255.3.20 |