iem.cz - robtex.com
iem.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 46.149.113.197🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o. | ||||||
| NS | ns1.one.cz ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | ns1.one.czone@one.cz 2013-08-16 #39 | ||||||
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=1786672060 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.one.cz2015-08-25 → 2026-08-14 · 5 obs
● 2016-07-03 07:19:22
○ 2016-07-11 07:57:10
● 2016-09-08 21:12:38
● 2026-08-14 01:50:52
●NSns2.one.cz2015-08-25 → 2026-08-14 · 5 obs
● 2016-07-03 07:19:22
○ 2016-07-11 07:57:10
● 2016-09-08 21:12:38
● 2026-08-14 01:50:52
●NSns3.one.cz2026-08-05 → 2026-08-14 · 3 obs
● 2026-08-05 18:28:18
● 2026-08-14 01:50:52
●A46.149.113.1972015-08-25 → 2026-08-14 · 5 obs
● 2016-07-03 07:19:22
○ 2016-07-11 07:57:10
● 2016-09-08 21:12:38
● 2026-08-14 01:50:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| iem.cz | ns1.one.cz, ns2.one.cz, ns3.one.cz | 5 records |
✅ Authoritative Response
Server:193.85.20.140
NS records: ns1.one.cz, ns2.one.cz, ns3.one.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1253ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.149.113.197 |
| NS | 2 | ns1.one.cz, ns2.one.cz |
| SOA | 1 | ns1.one.cz one.one.cz |
📌 Glue Records Collected
Total: 13
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 5 (ns1.one.cz, ns1.one.cz, ns2.one.cz...)
Analysis
IP Addresses
iem.cz resolves to just one IP address, 46.149.113.197.
Two other host names, along with coo.cz, ogo.cz and eae.cz, also share IP numbers with iem.cz.
Name Servers
The authoritative name servers for iem.cz are ns1.one.cz, ns2.one.cz and ns3.one.cz — three in total.
iem.cz shares at least some of its name servers with other domains, including danko.cz, duha.cz, openshift.cz and two others.
Host names that have two IP addresses:
ns1.one.cz directs traffic to 46.149.113.151 and 2001:470:6f:864::1.
ns3.one.cz directs traffic to 46.149.113.187 and 2001:470:6f:30f::1:1.
Host names that point to one IP address:
ns2.one.cz has the IP address 193.85.20.140.