grind.cz - robtex.com
grind.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.kraxnet.com ⚠️ Not in zone NS records | ||||||
| A | 212.24.155.205🇨🇿 QUANTCOM-AS212.24.128.0/19 Dial Telecom, a.s. | ||||||
| NS | ns.kraxnet.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:67c:48::53🇨🇿 KRAXNET-AS2001:67c:48::/48 XNET | ||||||
| A | 178.217.247.2🇨🇿 KRAXNET-AS178.217.240.0/21 KRAXNET s.r.o. | ||||||
| PTR | ns.kraxnet.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=1784119641 | ||||||
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
●NSns.kraxnet.com2015-07-11 → 2026-07-15 · 2 obs
● 2015-07-11 20:39:22
● 2026-07-15 13:18:48
● 2026-07-15 13:18:48
●NSns.kraxnet.cz2015-07-11 → 2026-07-15 · 2 obs
● 2015-07-11 20:39:22
● 2026-07-15 13:18:48
● 2026-07-15 13:18:48
○MXgrey.xnet.cz2015-07-11 → 2017-08-24 · 4 obs
● 2015-07-11 20:39:22
● 2017-08-24 20:19:54
○ 2026-06-13 09:47:46
○ 2026-07-15 13:18:48
● 2017-08-24 20:19:54
○ 2026-06-13 09:47:46
○ 2026-07-15 13:18:48
○A178.217.244.122015-07-11 → 2016-06-19 · 4 obs
● 2015-07-11 20:39:22
● 2016-06-19 12:30:04
○ 2017-08-24 20:19:54
○ 2026-07-15 13:18:48
● 2016-06-19 12:30:04
○ 2017-08-24 20:19:54
○ 2026-07-15 13:18:48
○A178.217.244.532017-08-24 → 2017-08-24 · 4 obs
○ 2016-06-19 12:30:04
● 2017-08-24 20:19:54
○ 2026-06-13 09:47:46
○ 2026-07-15 13:18:48
● 2017-08-24 20:19:54
○ 2026-06-13 09:47:46
○ 2026-07-15 13:18:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| grind.cz | ns.kraxnet.cz, ns.kraxnet.com | 2 records |
✅ Authoritative Response
Server:212.24.155.205
NS records: ns.kraxnet.cz, ns.kraxnet.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for grind.cz
⏱️ Timing
Total: 1596ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.kraxnet.cz, ns.kraxnet.cz)
Analysis
Name Servers
grind.cz is served by two delegated name servers, ns.kraxnet.com and ns.kraxnet.cz.
The name server configuration of grind.cz is shared with other domains, for instance diogen.cz, opravypracek-chrudim.cz, frutiger.cz and two others.
Host names pointing to two IP addresses:
ns.kraxnet.cz maps to two IP addresses — 178.217.247.2 and 2001:67c:48::53.
Host names resolving to a single IP address:
ns.kraxnet.com points to the IP address 212.24.155.205.