DNS Record Lookup
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Hosting & Network
bis-as.cz runs on AS25512, with email configured.
- Hosting network
- AS25512AS25512
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 103 other sites on AS25512. Stable here since we started watching (Jul 23, 2026).
DNS Records for bis-as.cz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| bis-as.cz | MX | 0 | 10 | antispamsmtp.softech.cz |
| bis-as.cz | MX | 0 | 100 | backup-mx-100.softech.cz |
| bis-as.cz | NS | 0 | internet1.softech.cz | |
| bis-as.cz | NS | 0 | dns-4.softech.cz | |
| bis-as.cz | NS | 0 | dns-3.softech.cz | |
| bis-as.cz | NS | 0 | internet.softech.cz | |
| bis-as.cz | A | 0 | 212.11.104.13 | |
| bis-as.cz | TXT | 0 | v=spf1 ip4:212.11.104.0/24 ip4:195.47.74.0/24 ip4:195.47.7.0/24 ip4:193.86.163.228 ip4:85.71.161.177 mx -all | |
| bis-as.cz | SOA | 86400 | internet.softech.cz hostmaster.softech.cz 2025111404 10800 3600 604800 86400 | |
| www.bis-as.cz | CNAME | 0 | internet19.softech.cz | |
| www.bis-as.cz | AAAA | 0 | 2001:67c:2b10:100::13 | |
| www.bis-as.cz | A | 0 | 212.11.104.13 |
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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