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Hosting & Network
ic-zlin.cz runs on AS20723, with email configured.
- Hosting network
- AS20723AS20723
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 135 other sites on AS20723. Stable here since we started watching (Aug 4, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to virt.avonet.cz.
DNS Records for ic-zlin.cz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| ic-zlin.cz | A | 0 | 217.112.162.40 | |
| ic-zlin.cz | NS | 0 | ns.avonet.cz | |
| ic-zlin.cz | NS | 0 | sns.avonet.cz | |
| ic-zlin.cz | MX | 0 | 20 | spool.avonet.cz |
| ic-zlin.cz | MX | 0 | 15 | mx1.avonet.cz |
| ic-zlin.cz | MX | 0 | 10 | ms.avonet.cz |
| ic-zlin.cz | AAAA | 0 | 2a00:6500:0:11::eb:0 | |
| ic-zlin.cz | SOA | 3600 | ns.avonet.cz hostmaster.avonet.cz 2020122001 3600 1800 2419200 3600 | |
| www.ic-zlin.cz | CNAME | 0 | virt.avonet.cz | |
| www.ic-zlin.cz | AAAA | 0 | 2a00:6500:0:11::eb:0 | |
| www.ic-zlin.cz | A | 0 | 217.112.162.40 |
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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