schem.cz - robtex.com

schem.cz

DNSSEC🔒 Signed (DS record present)
A81.2.194.244🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTR244.194.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
MXschem-cz.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::d🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db6pr03cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.27🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.19🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr04cu00803.inbound.protection.outlook.com
TXTMS=ms26563552
TXTv=spf1 include:spf.protection.outlook.com -all
TXTgoogle-site-verification=sw_CnAFrCim2rmKHCkoHVjI-dBaXsugZ2LbYCbxsipY
SOAns.forpsi.netadmin@forpsi.com 2026-07-14 #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=1785388638

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DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSns.forpsi.czns.forpsi.itns.forpsi.netMXschem-cz.mail.protection.outlook.commxavas.forpsi.comA81.2.194.24481.2.194.47
●NSns.forpsi.cz2015-07-23 → 2026-07-30 · 2 obs
● 2015-07-23 22:25:50
● 2026-07-30 05:44:52
●NSns.forpsi.it2015-07-23 → 2026-07-30 · 2 obs
● 2015-07-23 22:25:50
● 2026-07-30 05:44:52
●NSns.forpsi.net2015-07-23 → 2026-07-30 · 2 obs
● 2015-07-23 22:25:50
● 2026-07-30 05:44:52
○MXmxavas.forpsi.com2015-07-23 → 2017-02-06 · 4 obs
● 2015-07-23 22:25:50
● 2017-02-06 22:00:58
○ 2026-06-12 23:34:08
○ 2026-07-30 05:44:52
●MXschem-cz.mail.protection.outlook.com2026-06-12 → 2026-07-30 · 3 obs
○ 2017-02-06 22:00:58
● 2026-06-12 23:34:08
● 2026-07-30 05:44:52
●A81.2.194.2442026-06-12 → 2026-07-30 · 3 obs
○ 2017-02-06 22:00:58
● 2026-06-12 23:34:08
● 2026-07-30 05:44:52
○A81.2.194.472015-07-23 → 2017-02-06 · 4 obs
● 2015-07-23 22:25:50
● 2017-02-06 22:00:58
○ 2026-06-12 23:34:08
○ 2026-07-30 05:44:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
schem.czns.forpsi.cz, ns.forpsi.it, ns.forpsi.net2 records

✅ Authoritative Response

Server:81.2.194.130

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: 1864ms | Queries: -

📄 Records

TypeCountSample Data
A181.2.194.244
NS3ns.forpsi.cz, ns.forpsi.it...
MX1schem-cz.mail.protection.outlook.com (pr
TXT3MS=ms26563552, v=spf1 include:spf.protection.outlook.co...
SOA1ns.forpsi.net admin.forpsi.com

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

schem.cz points to a single IP number: 81.2.194.244.

Additional host names — raist.cz, simplestep.cz, enorm.cz and two others — share IP numbers with schem.cz.

Name Servers

DNS for schem.cz is handled by three authoritative name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

schem.cz shares at least some of its name servers with other domains, including standa99.eu, efaflex.hu, vitarvet.cz and two others.

These name servers are frequently seen alongside the name servers ns.forpsi.us.

Three hostnames — ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net — each have two IP addresses: ns.forpsi.cz has 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.it has 95.110.254.165 and 2a00:6d41:2:1::5, and ns.forpsi.net has 81.2.194.130 and 2001:15e8:101:1::c282.

Mail Servers

schem.cz has one mail server: schem-cz.mail.protection.outlook.com.

schem-cz.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.3, 52.101.68.27, 52.101.73.4 and 5 other.