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Hosting & Network
zspetriny.cz runs on AS35236, with email via Google Workspace.
- Hosting network
- AS35236AS35236
- Managed DNS
- Self-hosted / other
- Google Workspace
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 435 other sites on AS35236. Stable here since we started watching (Aug 15, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for zspetriny.cz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| zspetriny.cz | A | 0 | 109.205.73.51 | |
| zspetriny.cz | SOA | 14400 | ns.web4u.cz admin.web4u.cz 2026040200 14400 3600 1209600 14400 | |
| zspetriny.cz | MX | 0 | 20 | alt1.aspmx.l.google.com |
| zspetriny.cz | MX | 0 | 30 | aspmx3.googlemail.com |
| zspetriny.cz | MX | 0 | 30 | aspmx5.googlemail.com |
| zspetriny.cz | MX | 0 | 10 | aspmx.l.google.com |
| zspetriny.cz | MX | 0 | 20 | alt2.aspmx.l.google.com |
| zspetriny.cz | MX | 0 | 30 | aspmx4.googlemail.com |
| zspetriny.cz | MX | 0 | 30 | aspmx2.googlemail.com |
| zspetriny.cz | TXT | 0 | v=spf1 ip4:88.146.115.152 include:_spf.google.com ~all | |
| zspetriny.cz | TXT | 0 | f0be24ce8028b9de1cf533161111bdc1510b45e6396e1c360a72370b4bf8f3f | |
| zspetriny.cz | TXT | 0 | MS=msdf1596ce-6593-4249-831a-82e0f3072e05 | |
| zspetriny.cz | NS | 0 | ns2.web4u.cz | |
| zspetriny.cz | NS | 0 | ns.web4u.cz | |
| www.zspetriny.cz | A | 0 | 109.205.73.51 |
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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.
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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