ed25519.cz - robtex.com
ed25519.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:c0c:166e::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mail.ed448.cz | ||||||
| NS | ns.ed448.cz ⭐ | ||||||
| A | 2a01:4f8:c0c:166e::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mail.ed448.cz | ||||||
| A | 128.140.3.239🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC | ||||||
| PTR | mail.ed448.cz | ||||||
| NS | ns.ed25519.cz | ||||||
| A | 2a02:c207:2325:2546::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| PTR | ns.ed25519.cz | ||||||
| A | 185.190.142.114🇩🇪 CONTABO185.190.142.0/23 | ||||||
| PTR | ns.ed25519.cz | ||||||
| MX | mail.ed448.cz ⭐ | ||||||
| A | 2a01:4f8:c0c:166e::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mail.ed448.cz | ||||||
| A | 128.140.3.239🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC | ||||||
| PTR | mail.ed448.cz | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns.ed448.czhaly-tok-0v@icloud.com serial=1778412664 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1778453234 | ||||||
Subdomains
ns.ed25519.cz |
Same first word
DNS History
4 records (4 active, 0 former)
●NSns.ed25519.cz2026-04-12 → 2026-05-10 · 2 obs
● 2026-05-10 23:20:26
●A2a01:4f8:c0c:166e::12026-04-12 → 2026-05-10 · 2 obs
● 2026-05-10 23:20:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| ed25519.cz | ns.ed448.cz, ns.ed25519.cz | 4 records |
✅ Authoritative Response
Server:128.140.3.239
NS records: ns.ed448.cz, ns.ed25519.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| AAAA | 1 | 2a01:4f8:c0c:166e::1 |
| NS | 2 | ns.ed448.cz, ns.ed25519.cz |
| MX | 1 | mail.ed448.cz (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns.ed448.cz haly-tok-0v.icloud.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 2 (ns.ed25519.cz, ns.ed25519.cz)
Out-of-bailiwick: 2 (ns.ed448.cz, ns.ed448.cz)
Analysis
Hierarchy
ed25519.cz is parent of ns.ed25519.cz.
IP Addresses
ed25519.cz points to a single IP: 2a01:4f8:c0c:166e::1.
Other host names, for instance ns.ed448.cz, mail.ed448.cz and ed448.cz share IP numbers with ed25519.cz.
Name Servers
ed25519.cz's delegation is to two name servers ns.ed25519.cz and ns.ed448.cz.
ed25519.cz uses the same name server setup as other domains, for example ed448.cz and steinerovi.cz.
Host names with two IP numbers: ns.ed25519.cz points to 2a02:c207:2325:2546::1 and 185.190.142.114; ns.ed448.cz points to 2a01:4f8:c0c:166e::1 and 128.140.3.239
Mail Servers
ed25519.cz is served by a single mail server, mail.ed448.cz.
ed25519.cz shares the same mail server setup as ed448.cz, steinerovi.cz and senamlibi.cz.
Hostname mail.ed448.cz resolves to two IPs: 2a01:4f8:c0c:166e::1 and 128.140.3.239.