sunbuild.cz - robtex.com
sunbuild.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| 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 2026-05-06 #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=1778377634 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns.forpsi.cz2026-03-28 → 2026-05-10 · 3 obs
● 2026-03-28 22:45:34
● 2026-05-10 02:04:58
●NSns.forpsi.it2026-03-28 → 2026-05-10 · 3 obs
● 2026-03-28 22:45:34
● 2026-05-10 02:04:58
●NSns.forpsi.net2026-03-28 → 2026-05-10 · 3 obs
● 2026-03-28 22:45:34
● 2026-05-10 02:04:58
○NSns4.webdum.com2015-07-03 → 2017-01-24 · 4 obs
● 2017-01-24 15:57:34
○ 2020-02-15 12:30:50
○ 2026-05-10 02:04:58
○NSns5.webdum.com2015-07-03 → 2017-01-24 · 4 obs
● 2017-01-24 15:57:34
○ 2020-02-15 12:30:50
○ 2026-05-10 02:04:58
○MXmail.sunbuild.cz2015-07-03 → 2017-01-24 · 4 obs
● 2017-01-24 15:57:34
○ 2020-02-15 12:30:50
○ 2026-05-10 02:04:58
●MXmxavas.forpsi.com2026-03-28 → 2026-05-10 · 3 obs
● 2026-03-28 22:45:34
● 2026-05-10 02:04:58
●A76.76.21.212026-03-28 → 2026-05-10 · 3 obs
● 2026-03-28 22:45:34
● 2026-05-10 02:04:58
○A87.236.199.1032015-07-03 → 2017-01-24 · 4 obs
● 2017-01-24 15:57:34
○ 2020-02-15 12:30:50
○ 2026-05-10 02:04:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| sunbuild.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:95.110.254.165
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: 665ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| 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
IP Addresses
sunbuild.cz resolves to one IP number: 76.76.21.21.
other host names including komiru.com, i-dai.com, facuminas.com.br, andrewstech.net and app-entwickler-projekte.de share IP numbers with sunbuild.cz.
Name Servers
sunbuild.cz is delegated to three name servers ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
sunbuild.cz at least partially shares name servers with other domains, for instance fairtradezbozi.cz, quietdimensions.com, 30hugs.com, sibb.cz and imile.org.
these name servers are commonly used alongside 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
sunbuild.cz is handled by a single mail server, mxavas.forpsi.com.
sunbuild.cz shares the same mail server setup as other domains, for instance factoryshop.cz, danimex.cz, eurocave.cz, vsen.cz and minibus.cz.
sunbuild.cz shares mail servers with other domains to some extent, for instance wellpack.at.
mxavas.forpsi.com resolves to IP 81.2.195.200.