grunta.cz - robtex.com
grunta.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:28:ca:110:88:86:102:11🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | crux.gc-system.cz | ||||||
| A | 88.86.102.11🇨🇿 SuperNetwork88.86.96.0/19 s.r.o. | ||||||
| NS | ns.forpsi.net ⭐ 🔒 | ||||||
| A | 2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.net | ||||||
| A | 81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.forpsi.net | ||||||
| NS | ns.forpsi.cz | ||||||
| A | 2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.cz | ||||||
| A | 81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24 | ||||||
| PTR | ns.forpsi.cz | ||||||
| NS | ns.forpsi.it 🔒 | ||||||
| A | 2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.forpsi.it | ||||||
| A | 95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | host165-254-110-95.serverdedicati.aruba.it | ||||||
| MX | posta.gc-system.cz ⭐ | ||||||
| A | 2a01:28:ca:110:88:86:102:8🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | pleiades1.gc-system.cz | ||||||
| A | 88.86.102.8🇨🇿 SuperNetwork88.86.96.0/19 s.r.o. | ||||||
| PTR | pleiades1.gc-system.cz | ||||||
| TXT | v=spf1 a mx include:spfa.gc-system.cz ~all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.net 2026-03-11 #1 | ||||||
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=1771291036 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns.forpsi.net2015-08-01 → 2026-03-14 · 2 obs
● 2026-03-14 08:49:06
●MXposta.gc-system.cz2015-08-01 → 2026-03-14 · 2 obs
● 2026-03-14 08:49:06
○A2a01:28:ca:110:10::32015-08-01 → 2017-03-26 · 4 obs
● 2017-03-26 14:02:56
○ 2020-01-16 06:59:30
○ 2026-03-14 08:49:06
●A2a01:28:ca:110:88:86:102:112020-01-16 → 2026-03-14 · 3 obs
● 2020-01-16 06:59:30
● 2026-03-14 08:49:06
●A88.86.102.112020-01-16 → 2026-03-14 · 3 obs
● 2020-01-16 06:59:30
● 2026-03-14 08:49:06
○A88.86.102.72015-08-01 → 2017-03-26 · 4 obs
● 2017-03-26 14:02:56
○ 2020-01-16 06:59:30
○ 2026-03-14 08:49:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| grunta.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server: 81.2.194.130
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1563ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.86.102.11 |
| AAAA | 1 | 2a01:28:ca:110:88:86:102:11 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | posta.gc-system.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spfa.gc-system.cz ~a |
| SOA | 1 | ns.forpsi.net admin.forpsi.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
IP Addresses
grunta.cz has two IP numbers: 2a01:28:ca:110:88:86:102:11 and 88.86.102.11.
Other host names, for instance luzna.cz, mesto-studenka.cz, ostretin.cz, www.mesto-studenka.cz and nemkadan.cz share IP numbers with grunta.cz.
Name Servers
grunta.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
grunta.cz at least partially shares name servers with other domains, including krilaweb.hu, luiza.cz, deckbelt.eu, villa-bohemia.com and wellpack.at.
These name servers are commonly used with ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz: 2001:15e8:201:1::d1b9 and 81.2.209.185
ns.forpsi.it: 2a00:6d41:2:1::5 and 95.110.254.165
ns.forpsi.net: 2001:15e8:101:1::c282 and 81.2.194.130
Mail Servers
A single mail server handles grunta.cz, posta.gc-system.cz.
grunta.cz shares the same mail server setup as other domains, for instance dnesice.cz, kostomlatypodripem.cz, srbec.cz, mssany.cz and gemerske-teplice.sk.
The host name posta.gc-system.cz resolves to two IP numbers: 2a01:28:ca:110:88:86:102:8 and 88.86.102.8.