rnn.cz - robtex.com
rnn.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=1784508442 | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSns.wedos.com2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
●NSns.wedos.cz2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
●NSns.wedos.eu2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
●NSns.wedos.net2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
○NSns1.above.com2015-07-16 → 2016-09-20 · 4 obs
● 2016-09-20 08:52:12
○ 2026-04-11 16:38:54
○ 2026-07-20 01:20:38
○NSns2.above.com2015-07-16 → 2016-09-20 · 4 obs
● 2016-09-20 08:52:12
○ 2026-04-11 16:38:54
○ 2026-07-20 01:20:38
○MXmail.post-host.net2015-07-16 → 2016-09-20 · 4 obs
● 2016-09-20 08:52:12
○ 2026-04-11 16:38:54
○ 2026-07-20 01:20:38
●MXwes1-mx-backup.wedos.net2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
●MXwes1-mx1.wedos.net2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
●MXwes1-mx2.wedos.net2026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
○A103.224.182.2442015-07-16 → 2016-09-20 · 4 obs
● 2016-09-20 08:52:12
○ 2026-04-11 16:38:54
○ 2026-07-20 01:20:38
●A89.221.213.992026-04-11 → 2026-07-20 · 6 obs
● 2026-04-11 16:38:54
● 2026-05-30 02:22:34
○ 2026-05-31 08:18:34
● 2026-07-08 17:18:12
● 2026-07-20 01:20:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| rnn.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:185.8.238.1
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rnn.cz (unsigned zone)
⏱️ Timing
Total: 943ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.221.213.99 |
| NS | 4 | ns.wedos.net, ns.wedos.cz... |
| MX | 3 | wes1-mx2.wedos.net (pri: 1), wes1-mx-backup.wedos.net (pri: 10)... |
| 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
rnn.cz resolves to just one IP address, 89.221.213.99.
Two other host names, along with kze.cz, mail.rjp.cz and mail.llh.cz, also share IP numbers with rnn.cz.
Name Servers
The NS records for rnn.cz point to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
rnn.cz partially shares its NS delegation with several other domains, including apartmanykras.cz, kupiphone.sk, skolka-udolni.cz and two others.
Host names that resolve to four IP numbers:
ns.wedos.cz maps to the following 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 maps to the following 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 that have two IP addresses:
ns.wedos.com resolves to two addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu resolves to two addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
rnn.cz uses three mail servers — wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.
There is at least a partial MX overlap between rnn.cz and other domains, including jenix.cz, black-cat.studio, akvariumfami.cz and two others.
wes1-mx-backup.wedos.net points to 46.28.106.56; wes1-mx1.wedos.net points to 46.28.106.11; wes1-mx2.wedos.net points to 46.28.106.12 — each hostname maps to exactly one IP address.