psem.cz - robtex.com
psem.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.grdns.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:15e8:101:1::c268🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.grdns.cz | ||||||
| A | 81.2.194.104🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.grdns.cz | ||||||
| NS | ns.grdns.it ⚠️ Not in zone NS records | ||||||
| A | 2a00:6d41:2:1::7🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.grdns.it | ||||||
| A | 95.110.254.167🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | ns.grdns.it | ||||||
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=1784980042 | ||||||
Same first word
Similar names
DNS History
11 records (2 active, 9 former)
○NSns.forpsi.cz2015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 19:44:18
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○NSns.forpsi.it2015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 19:44:18
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○NSns.forpsi.net2015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 19:44:18
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
●NSns.grdns.cz2026-06-13 → 2026-07-25 · 3 obs
○ 2021-07-27 00:06:08
● 2026-06-13 07:47:44
● 2026-07-25 12:43:48
● 2026-06-13 07:47:44
● 2026-07-25 12:43:48
●NSns.grdns.it2026-06-13 → 2026-07-25 · 3 obs
○ 2021-07-27 00:06:08
● 2026-06-13 07:47:44
● 2026-07-25 12:43:48
● 2026-06-13 07:47:44
● 2026-07-25 12:43:48
○NSns1.sonexo.eu2015-12-16 → 2017-04-02 · 5 obs
○ 2015-10-10 02:21:22
● 2015-12-16 15:59:44
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
● 2015-12-16 15:59:44
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
○NSns2.sonexo.com2015-12-16 → 2017-04-02 · 5 obs
○ 2015-10-10 02:21:22
● 2015-12-16 15:59:44
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
● 2015-12-16 15:59:44
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
○MXmxavas.forpsi.com2015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 19:44:18
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○A141.8.224.1232015-12-16 → 2016-04-23 · 5 obs
○ 2015-10-10 02:21:22
● 2015-12-16 15:59:44
● 2016-04-23 17:49:14
○ 2017-04-02 06:25:48
○ 2026-07-25 12:43:48
● 2015-12-16 15:59:44
● 2016-04-23 17:49:14
○ 2017-04-02 06:25:48
○ 2026-07-25 12:43:48
○A37.97.135.1292017-04-02 → 2017-04-02 · 4 obs
○ 2016-04-23 17:49:14
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
● 2017-04-02 06:25:48
○ 2021-07-27 00:06:08
○ 2026-07-25 12:43:48
○A81.2.195.1392015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 19:44:18
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
○ 2015-10-10 02:21:22
○ 2026-07-25 12:43:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| psem.cz | ns.grdns.cz, ns.grdns.it | 2 records |
✅ Authoritative Response
Server:81.2.194.104
NS records: ns.grdns.cz, ns.grdns.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for psem.cz (unsigned zone)
⏱️ Timing
Total: 1355ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
Name Servers
psem.cz is delegated to two name servers: ns.grdns.cz and ns.grdns.it.
The name server configuration of psem.cz is shared with other domains, for instance jjares.cz, liestany.sk, datacomsro.cz and two others.
psem.cz shares at least some of its name servers with other domains, such as carnegie.cz.
ns.grdns.cz and ns.grdns.it each resolve to two IP addresses: ns.grdns.cz points to 81.2.194.104 and 2001:15e8:101:1::c268, while ns.grdns.it points to 95.110.254.167 and 2a00:6d41:2:1::7.