btcr.cz - robtex.com
btcr.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.2.194.184🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | c184un.forpsi.com | ||||||
| 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 2026-07-05 #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=1784641641 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns.forpsi.net2015-06-23 → 2026-07-21 · 2 obs
● 2026-07-21 13:55:50
●MXmxavas.forpsi.com2015-06-23 → 2026-07-21 · 2 obs
● 2026-07-21 13:55:50
●A81.2.194.1842015-06-23 → 2026-07-21 · 2 obs
● 2026-07-21 13:55:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| btcr.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.209.185
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: 1508ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.2.194.184 |
| 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: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
IP Addresses
btcr.cz resolves to just one IP address, 81.2.194.184.
Two other host names, along with gromathic.cz, kamnavohradnik.cz and besttools.cz, also share IP numbers with btcr.cz.
Name Servers
btcr.cz carries NS records delegating to ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
There is at least partial name server overlap between btcr.cz and other domains — pochvalov.cz, bch-battery.cz, cbe-software.com and two more among them.
These name servers are routinely deployed together with the name servers ns.forpsi.us.
ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net are three hostnames that each resolve to a pair of IP addresses: ns.forpsi.cz to 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.it to 95.110.254.165 and 2a00:6d41:2:1::5, and ns.forpsi.net to 81.2.194.130 and 2001:15e8:101:1::c282.
Mail Servers
The sole mail server for btcr.cz is mxavas.forpsi.com.
Among the domains sharing a mail server setup with btcr.cz are voton.cz, greenclub.cz, ticketbase.eu and two others.
Some mail servers of btcr.cz are also used by other domains, notably matejec.eu and gerberoptika.hu.
mxavas.forpsi.com carries a single IP number, which is 81.2.195.200.