qsm.cz - robtex.com
qsm.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=1783651637 | ||||||
Same first word
Similar names
DNS History
10 records (2 active, 8 former)
○NSalfa.ns.active24.cz2015-07-17 → 2017-01-04 · 5 obs
● 2015-07-17 22:44:32
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
○NSbeta.ns.active24.cz2015-07-17 → 2017-01-04 · 5 obs
● 2015-07-17 22:44:32
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
○NSgama.ns.active24.sk2015-07-17 → 2017-01-04 · 5 obs
● 2015-07-17 22:44:32
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
●NSns.grdns.cz2026-06-13 → 2026-07-10 · 3 obs
● 2026-06-13 01:16:34
● 2026-07-10 03:03:32
●NSns.grdns.it2026-06-13 → 2026-07-10 · 3 obs
● 2026-06-13 01:16:34
● 2026-07-10 03:03:32
○NSns.servery.com2008-03-27 → 2008-03-27 · 3 obs
○ 2015-07-17 22:44:32
○ 2026-07-10 03:03:32
○NSns.servery.cz2008-03-27 → 2017-01-04 · 4 obs
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
○A2a02:4a8:ac24:102::96:752015-07-17 → 2017-01-04 · 5 obs
● 2015-07-17 22:44:32
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
○A81.95.96.292008-03-27 → 2008-03-27 · 3 obs
○ 2015-07-17 22:44:32
○ 2026-07-10 03:03:32
○A81.95.96.752015-07-17 → 2017-01-04 · 5 obs
● 2015-07-17 22:44:32
● 2017-01-04 03:45:14
○ 2026-06-13 01:16:34
○ 2026-07-10 03:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| qsm.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 qsm.cz (unsigned zone)
⏱️ Timing
Total: 1293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
Name Servers
Two name servers handle the delegation for qsm.cz: ns.grdns.cz and ns.grdns.it.
The name server configuration of qsm.cz is shared with other domains, for instance plexivyroba.cz, areal-brcalnik.cz, zsbrezenecka.cz and two others.
qsm.cz is at least partially co-delegated on name servers with other domains, such as sendmail.cz.
ns.grdns.cz and ns.grdns.it both carry two IP addresses. The A records for ns.grdns.cz are 81.2.194.104 and 2001:15e8:101:1::c268; the A records for ns.grdns.it are 95.110.254.167 and 2a00:6d41:2:1::7.