app.truecode.cz - dns.ninja

app.truecode.cz

CNAMEtruecode.cz
DNSSEC🔒 Signed (DS record present)
A31.41.204.28🇨🇿 Dragon31.41.200.0/21
PTRapp.truecode.cz
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
MXt-cloud.oui.technology ⭐
A194.108.118.18🇨🇿 TMOBILE-CZ194.108.0.0/16 T-Mobile Czech Republic a.s.
PTRt-cloud.oui.technology
TXTv=spf1 include:oui.technology -all
SOAns.forpsi.netadmin@forpsi.com 2026-06-06 #1

truecode.cz

DNSSEC🔒 Signed (DS record present)
A31.41.204.28🇨🇿 Dragon31.41.200.0/21
NSns.forpsi.net ⭐
NSns.forpsi.cz
NSns.forpsi.it
MXt-cloud.oui.technology ⭐
TXTv=spf1 include:oui.technology -all
SOAns.forpsi.netadmin@forpsi.com 2026-06-06 #1

PTR for

28.204.41.31.in-addr.arpa

Same first word

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app.s3.us-east-2.amazonaws.com
app.ae
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app.de
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pap.nu
ppa.com.br
pap.ro
ppa.org.fj
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pap.ph
ppa.edu.vn
app.gg
pap.guide
ppa.pl
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app.center
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pap.org.sg
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pap.lt
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ppa.de
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pap.la
ppa.com.au
pap.fi
ppa.fr
pap.dk
pap.edu.pl
ppa.org.br
pap.tv

DNS History

1 record (1 active, 0 former)

CNAMEtruecode.cz
●CNAMEtruecode.cz2026-05-04 → 2026-07-02 · 2 obs
● 2026-05-04 03:44:24
● 2026-07-02 23:43:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
truecode.czns.forpsi.cz, ns.forpsi.it, ns.forpsi.net2 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: 1127ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1truecode.cz

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

app.truecode.cz resolves to one IP address: 31.41.204.28.

Other host names share IP numbers with app.truecode.cz; truecode.cz is one such example.

Name Servers

Three name servers are authoritative for app.truecode.cz: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

app.truecode.cz partially shares its NS delegation with several other domains, including pawit.cz, biodex.sk, katalogmodelek.com and two others.

These name servers often co-occur 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

Mail for app.truecode.cz is handled by a single mail server, t-cloud.oui.technology.

app.truecode.cz uses an identical mail server configuration to several other domains — among them brailcom.org, oui.technology, truecode.cz and two more.

There is one IP number for t-cloud.oui.technology: 194.108.118.18.