1656.cz - robtex.com
1656.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.129.138.202🇨🇿 INTERNET-CZ185.129.136.0/22 | ||||||
| PTR | 202.138.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 | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2025-01-06 #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=1785206841 | ||||||
Subdomains
mail.1656.cz |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSns.forpsi.cz2026-06-07 → 2026-07-28 · 3 obs
● 2026-06-07 14:16:18
● 2026-07-28 02:51:42
●NSns.forpsi.it2026-06-07 → 2026-07-28 · 3 obs
● 2026-06-07 14:16:18
● 2026-07-28 02:51:42
●NSns.forpsi.net2026-06-07 → 2026-07-28 · 3 obs
● 2026-06-07 14:16:18
● 2026-07-28 02:51:42
○NSns.pipni.cz2015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
○NSns2.pipni.cz2015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
○NSns3.pipni.cz2015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
○MXmail.1656.cz2015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
●MXmxavas.forpsi.com2026-06-07 → 2026-07-28 · 3 obs
● 2026-06-07 14:16:18
● 2026-07-28 02:51:42
○MXns3.pipni.cz2015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
●A185.129.138.2022026-06-07 → 2026-07-28 · 3 obs
● 2026-06-07 14:16:18
● 2026-07-28 02:51:42
○A93.185.104.272015-06-20 → 2017-02-13 · 4 obs
● 2017-02-13 16:54:42
○ 2026-06-07 14:16:18
○ 2026-07-28 02:51:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | 8 records |
| 1656.cz | ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1656.cz (unsigned zone)
⏱️ Timing
Total: 1006ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.129.138.202 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mxavas.forpsi.com (pri: 10) |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
mail.1656.cz is delegated beneath 1656.cz.
IP Addresses
1656.cz resolves to just one IP address, 185.129.138.202.
Two other host names, along with itrees.org, k-mmeble.pl and nova-shop.eu, also share IP numbers with 1656.cz.
Name Servers
Three name servers are authoritative for 1656.cz: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
There is at least partial name server overlap between 1656.cz and other domains — nte.com.pl, repoline.cz, simera.cz and two more among them.
These name servers are routinely deployed together with the name servers ns.forpsi.us.
ns.forpsi.cz resolves to 81.2.209.185 and 2001:15e8:201:1::d1b9. ns.forpsi.it resolves to 95.110.254.165 and 2a00:6d41:2:1::5. ns.forpsi.net resolves to 81.2.194.130 and 2001:15e8:101:1::c282. All three hostnames point to two IP numbers each.
Mail Servers
The sole mail server for 1656.cz is mxavas.forpsi.com.
Among the domains sharing a mail server setup with 1656.cz are kupka.cz, impresio.eu, folprecht.com and two others.
Some mail servers of 1656.cz are also used by other domains, notably speedpost.cz and elastiq.cz.
There is one IP number for mxavas.forpsi.com: 81.2.195.200.