pcfu.cz - robtex.com

pcfu.cz

DNSSEC🔒 Signed (DS record present)
A185.129.138.221🇨🇿 INTERNET-CZ185.129.136.0/22
PTR221.138.forpsi.net
NSns.forpsi.net
A2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32
PTRns.forpsi.net
A81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTRns.forpsi.net
NSns.forpsi.cz
A2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32
PTRns.forpsi.cz
A81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24
PTRns.forpsi.cz
NSns.forpsi.it
A2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network
PTRns.forpsi.it
A95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network
PTRhost165-254-110-95.serverdedicati.aruba.it
TXT195.181.217.114
TXTv=spf1 mx mx:mx.kservery.cz -all
SOAns.forpsi.netadmin@forpsi.com 2026-07-05 #1

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1785147437

Subdomains

Same first word

Similar names

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSns.forpsi.czns.forpsi.itns.forpsi.netA185.129.138.22131.31.79.156
NSns.forpsi.cz2015-07-25 → 2026-07-27 · 2 obs
● 2015-07-25 15:44:30
● 2026-07-27 10:58:28
NSns.forpsi.it2015-07-25 → 2026-07-27 · 2 obs
● 2015-07-25 15:44:30
● 2026-07-27 10:58:28
NSns.forpsi.net2015-07-25 → 2026-07-27 · 2 obs
● 2015-07-25 15:44:30
● 2026-07-27 10:58:28
A185.129.138.2212026-06-25 → 2026-07-27 · 3 obs
○ 2016-12-06 11:19:40
● 2026-06-25 23:23:04
● 2026-07-27 10:58:28
A31.31.79.1562015-07-25 → 2016-12-06 · 4 obs
● 2015-07-25 15:44:30
● 2016-12-06 11:19:40
○ 2026-06-25 23:23:04
○ 2026-07-27 10:58:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
pcfu.czns.forpsi.cz, ns.forpsi.it, ns.forpsi.net2 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: 1231ms | Queries: -

📄 Records

TypeCountSample Data
A1185.129.138.221
NS3ns.forpsi.cz, ns.forpsi.it...
TXT2195.181.217.114, v=spf1 mx mx:mx.kservery.cz -all
SOA1ns.forpsi.net admin.forpsi.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)

Analysis

Hierarchy

www.pcfu.cz is delegated beneath pcfu.cz.

IP Addresses

pcfu.cz has exactly one IP address — 185.129.138.221.

barta.sk, 1zs-pb.cz, mujmrnousek.cz plus two other host names have IP numbers in common with pcfu.cz.

Name Servers

pcfu.cz is served by three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

There is at least partial name server overlap between pcfu.cz and other domains — snowlike.ch, spanihel.com, jjtransport.cz and two more among them.

These name servers are routinely deployed together with the name servers ns.forpsi.us.

The hostnames ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net each direct to two 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.