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Hosting & Network
codelab.cz runs on AS42000, with email configured.
- Hosting network
- AS42000AS42000
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 12 other sites on AS42000. Stable here since we started watching (Jul 20, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for codelab.cz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| codelab.cz | TXT | 0 | v=spf1 mx a ~all | |
| codelab.cz | SOA | 600 | kurt.bandzone.cz hostmaster.quip.cz 2026042801 3600 600 2419200 600 | |
| codelab.cz | MX | 0 | 11 | elsa.codelab.cz |
| codelab.cz | NS | 0 | ns.wedos.cz | |
| codelab.cz | NS | 0 | ns.wedos.eu | |
| codelab.cz | NS | 0 | kurt.bandzone.cz | |
| codelab.cz | NS | 0 | ns.wedos.net | |
| codelab.cz | A | 0 | 94.124.105.4 | |
| www.codelab.cz | A | 0 | 94.124.105.4 |
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain