gtconstruct.cz - robtex.com
gtconstruct.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 185.129.138.219🇨🇿 INTERNET-CZ185.129.136.0/22 | ||||||
| PTR | 219.138.forpsi.net | ||||||
| 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 | mxavas.forpsi.com ⭐ | ||||||
| A | 81.2.195.200🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | mxavas.forpsi.com | ||||||
| TXT | v=spf1 a mx include:_spf.forpsi.com -all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-03-03 #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=1774781235 | ||||||
Subdomains
mail.gtconstruct.cz |
Same first word
gtconstruct.cz |
Similar names
DNS History
9 records (5 active, 4 former)
○NScereus.i-dol.cz2015-06-28 → 2017-05-14 · 4 obs
● 2017-05-14 02:30:30
○ 2026-02-26 22:26:02
○ 2026-03-29 11:22:10
●NSns.forpsi.cz2026-02-26 → 2026-03-29 · 3 obs
● 2026-02-26 22:26:02
● 2026-03-29 11:22:10
●NSns.forpsi.it2026-02-26 → 2026-03-29 · 3 obs
● 2026-02-26 22:26:02
● 2026-03-29 11:22:10
●NSns.forpsi.net2026-02-26 → 2026-03-29 · 3 obs
● 2026-02-26 22:26:02
● 2026-03-29 11:22:10
○NSns.mari.cz2015-06-28 → 2017-05-14 · 4 obs
● 2017-05-14 02:30:30
○ 2026-02-26 22:26:02
○ 2026-03-29 11:22:10
○MXmail.gtconstruct.cz2015-06-28 → 2017-05-14 · 4 obs
● 2017-05-14 02:30:30
○ 2026-02-26 22:26:02
○ 2026-03-29 11:22:10
●MXmxavas.forpsi.com2026-02-26 → 2026-03-29 · 3 obs
● 2026-02-26 22:26:02
● 2026-03-29 11:22:10
●A185.129.138.2192026-02-26 → 2026-03-29 · 3 obs
● 2026-02-26 22:26:02
● 2026-03-29 11:22:10
○A77.95.40.1082015-06-28 → 2017-05-14 · 4 obs
● 2017-05-14 02:30:30
○ 2026-02-26 22:26:02
○ 2026-03-29 11:22:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| gtconstruct.cz | ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it | 2 records |
✅ Authoritative Response
Server:95.110.254.165
NS records: ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1081ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.129.138.219 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mxavas.forpsi.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.forpsi.com -all |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
The parent of mail.gtconstruct.cz is gtconstruct.cz.
IP Addresses
gtconstruct.cz points to a single IP number: 185.129.138.219.
Other host names, for instance hvezdazu.cz, asociacetz.cz, hotel-jef.cz, rytec.cz and kuriatko.sk share IP numbers with gtconstruct.cz.
Name Servers
The domain gtconstruct.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
gtconstruct.cz shares name servers with other domains at least partially, for instance cdi.pl, erriapo.cz, pappespappbt.hu, palmax.cz and zpx.sk.
these name servers are often used together with the name servers ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz points to 2001:15e8:201:1::d1b9 and 81.2.209.185
ns.forpsi.it points to 2a00:6d41:2:1::5 and 95.110.254.165
ns.forpsi.net points to 2001:15e8:101:1::c282 and 81.2.194.130
Mail Servers
The mail server for gtconstruct.cz is mxavas.forpsi.com.
gtconstruct.cz shares the same mail server setup as other domains, including commonwombat.pl, minerali.cz, zastavarnabazar.cz, lukda.cz and matpc.cz.
gtconstruct.cz shares at least some mail servers with other domains, for instance tom-novak.com.
Host name mxavas.forpsi.com resolves to IP 81.2.195.200.