mtz.cz - robtex.com
mtz.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.one.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:470:6f:864::1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.one.cz | ||||||
| A | 46.149.113.151🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o. | ||||||
| PTR | ns1.one.cz | ||||||
| NS | ns2.one.cz ⚠️ Not in zone NS records | ||||||
| A | 193.85.20.140🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | ns2.one.cz | ||||||
| NS | ns3.one.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:470:6f:30f::1:1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.one.cz | ||||||
| A | 46.149.113.187🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o. | ||||||
| PTR | ns3.one.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=1783226839 | ||||||
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSns.wedos.com2015-08-26 → 2017-10-15 · 4 obs
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
○NSns.wedos.cz2015-08-26 → 2017-10-15 · 4 obs
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
○NSns.wedos.eu2015-08-26 → 2017-10-15 · 4 obs
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
○NSns.wedos.net2015-08-26 → 2017-10-15 · 4 obs
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
●NSns1.one.cz2026-06-07 → 2026-07-05 · 3 obs
● 2026-06-07 13:51:32
● 2026-07-05 06:09:10
●NSns2.one.cz2026-06-07 → 2026-07-05 · 3 obs
● 2026-06-07 13:51:32
● 2026-07-05 06:09:10
●NSns3.one.cz2026-06-07 → 2026-07-05 · 3 obs
● 2026-06-07 13:51:32
● 2026-07-05 06:09:10
○MXmail1.wedos.net2015-08-26 → 2015-10-09 · 4 obs
● 2015-10-09 10:27:48
○ 2015-10-23 18:14:36
○ 2026-07-05 06:09:10
○MXmailbackup.wedos.net2015-08-26 → 2015-10-09 · 4 obs
● 2015-10-09 10:27:48
○ 2015-10-23 18:14:36
○ 2026-07-05 06:09:10
○MXwes1-mx1.wedos.net2015-10-23 → 2017-10-15 · 5 obs
● 2015-10-23 18:14:36
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
○MXwes1-mx2.wedos.net2015-10-23 → 2017-10-15 · 5 obs
● 2015-10-23 18:14:36
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
○A46.28.105.242015-08-26 → 2017-10-15 · 4 obs
● 2017-10-15 04:29:28
○ 2026-06-07 13:51:32
○ 2026-07-05 06:09:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| mtz.cz | ns3.one.cz, ns1.one.cz, ns2.one.cz | 5 records |
✅ Authoritative Response
Server:46.149.113.151
NS records: ns3.one.cz, ns1.one.cz, ns2.one.cz
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for mtz.cz
⏱️ Timing
Total: 1128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns3.one.cz, ns2.one.cz, ns1.one.cz...)
Analysis
Name Servers
DNS for mtz.cz is handled by three authoritative name servers: ns1.one.cz, ns2.one.cz and ns3.one.cz.
There is at least partial name server overlap between mtz.cz and other domains — trika.cz, smidova.com, golfhotel.cz and two more among them.
These name servers frequently co-occur with the name servers a.one.cz and b.one.cz.
Hosts with two IP numbers each:
ns1.one.cz has two IP addresses: 46.149.113.151 and 2001:470:6f:864::1.
ns3.one.cz has two IP addresses: 46.149.113.187 and 2001:470:6f:30f::1:1.
Hosts that resolve to one IP address:
ns2.one.cz directs to 193.85.20.140.