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Hosting & Network
cfl.cz runs on AS48131, with email via Microsoft 365.
- Hosting network
- AS48131AS48131
- Managed DNS
- Self-hosted / other
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 56 other sites on AS48131. Stable here since we started watching (Aug 9, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to cfl.cz.
DNS Records for cfl.cz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| cfl.cz | MX | 0 | cfl-cz.mail.protection.outlook.com | |
| cfl.cz | NS | 0 | ns1.ixoxi.cloud | |
| cfl.cz | NS | 0 | ns.ixoxi.net | |
| cfl.cz | SOA | 3600 | ns1.ixoxi.cloud root.cfl.cz 2026012801 14400 1800 1209600 3600 | |
| cfl.cz | TXT | 0 | v=spf1 include:spf.protection.outlook.com -all | |
| cfl.cz | TXT | 0 | MS=ms22251055 | |
| cfl.cz | A | 0 | 193.33.140.38 | |
| www.cfl.cz | TXT | 0 | MS=ms22251055 | |
| www.cfl.cz | TXT | 0 | v=spf1 include:spf.protection.outlook.com -all | |
| www.cfl.cz | MX | 0 | cfl-cz.mail.protection.outlook.com | |
| www.cfl.cz | CNAME | 0 | cfl.cz | |
| www.cfl.cz | NS | 0 | ns1.ixoxi.cloud | |
| www.cfl.cz | NS | 0 | ns.ixoxi.net | |
| www.cfl.cz | A | 0 | 193.33.140.38 | |
| www.cfl.cz | SOA | 3600 | ns1.ixoxi.cloud root.cfl.cz 2026012801 14400 1800 1209600 3600 |
Get alerted the moment cfl.cz's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch cfl.cz continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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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