arf.cz - robtex.com
arf.cz
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=1780069634 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
○MXmx-36324.m24.wedos.net2015-07-24 → 2016-01-20 · 4 obs
● 2016-01-20 13:22:38
○ 2016-01-26 00:15:34
○ 2026-05-29 16:40:04
●MXwes1-mx1.wedos.net2016-01-26 → 2026-05-29 · 3 obs
● 2016-01-26 00:15:34
● 2026-05-29 16:40:04
●MXwes1-mx2.wedos.net2016-01-26 → 2026-05-29 · 3 obs
● 2016-01-26 00:15:34
● 2026-05-29 16:40:04
●A46.28.105.782015-07-24 → 2026-05-29 · 2 obs
● 2026-05-29 16:40:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| arf.cz | ns.wedos.eu, ns.wedos.net, ns.wedos.cz, ns.wedos.com | 4 records |
✅ Authoritative Response
Server:185.8.238.0
NS records: ns.wedos.eu, ns.wedos.net, ns.wedos.cz, ns.wedos.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.28.105.78 |
| NS | 4 | ns.wedos.com, ns.wedos.net... |
| MX | 2 | wes1-mx1.wedos.net (pri: 1), wes1-mx2.wedos.net (pri: 1) |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
IP Addresses
arf.cz points to a single IP number: 46.28.105.78.
Additional host names — vedox.cz, www.eheim.cz, strba.cz and two others — share IP numbers with arf.cz.
Name Servers
arf.cz is served by 4 authoritative name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
There is at least partial name server overlap between arf.cz and other domains — esgroup.cz, velikost.eu, briardclub.cz and two more among them.
These name servers tend to appear in combination with the name servers ns1.etat.lu, ns2.etat.lu, ns3.etat.lu and makoto.cie.etat.lu.
Host names with 4 IP numbers:
ns.wedos.cz resolves to four IP addresses — 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net resolves to four IP addresses — 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names with two IP numbers:
ns.wedos.com directs traffic to 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu directs traffic to 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
arf.cz has two mail servers: wes1-mx1.wedos.net and wes1-mx2.wedos.net.
arf.cz shares the same mail server setup as other domains, including penzion-zilina.cz, tahi.cz, fotoas.cz and two others.
arf.cz shares mail servers — at least in part — with other domains, including streetsound.cz, pencin.cz, petrsosik.com and two others.
These mail servers are frequently seen alongside the mail servers wes1-mx-backup.wedos.net.
wes1-mx1.wedos.net → 46.28.106.11 and wes1-mx2.wedos.net → 46.28.106.12: one IP number per host name.