dcsilo.cz - robtex.com

dcsilo.cz

DNSSEC⚠️ Not signed
A92.61.83.162🇨🇿 CZ-NORDICTELECOMREGIONAL92.61.80.0/20
PTRzlinsilo.nwt.cz
NSns2.nwt.cz ⭐
A2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
NSns.nwt.cz
A2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
MXdcsilo-cz.mail.protection.outlook.com ⭐
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A2a01:111:f403:ca09::f🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com ip4:185.111.97.68 -all
SOAns.nwt.czjv@nwt.cz 2026-05-26 #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=1783226839

Same first word

dcsilo.cz

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DNS History

4 records (4 active, 0 former)

NSns.nwt.czns2.nwt.czMXdcsilo-cz.mail.protection.outlook.comA92.61.83.162
●NSns.nwt.cz2026-03-24 → 2026-07-05 · 2 obs
● 2026-03-24 22:04:10
● 2026-07-05 05:13:10
●NSns2.nwt.cz2026-03-24 → 2026-07-05 · 2 obs
● 2026-03-24 22:04:10
● 2026-07-05 05:13:10
●MXdcsilo-cz.mail.protection.outlook.com2026-03-24 → 2026-07-05 · 2 obs
● 2026-03-24 22:04:10
● 2026-07-05 05:13:10
●A92.61.83.1622026-03-24 → 2026-07-05 · 2 obs
● 2026-03-24 22:04:10
● 2026-07-05 05:13:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
dcsilo.czns.nwt.cz, ns2.nwt.cz-

✅ Authoritative Response

Server:217.31.48.201

NS records: ns.nwt.cz, ns2.nwt.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dcsilo.cz (unsigned zone)

⏱️ Timing

Total: 1335ms | Queries: -

📄 Records

TypeCountSample Data
A192.61.83.162
NS2ns.nwt.cz, ns2.nwt.cz
MX1dcsilo-cz.mail.protection.outlook.com (p
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns.nwt.cz jv.nwt.cz

Analysis

IP Addresses

dcsilo.cz resolves to one IP address: 92.61.83.162.

zlin.tv, masny.cz, ahoj.cz and two other host names share IP numbers with dcsilo.cz.

Name Servers

dcsilo.cz uses two name servers for its delegation: ns2.nwt.cz and ns.nwt.cz.

dcsilo.cz uses the same name servers as several other domains — among them knet.cz, spur.cz, agro-druzstvo.cz and two more.

dcsilo.cz partially shares its NS delegation with several other domains, including prototypy.cz, fotovoltaika.cz, sle.cz and two others.

These name servers are regularly seen alongside ns2.ignum.cz and ns1.ignum.com as name servers.

The two host names ns2.nwt.cz and ns.nwt.cz each have a pair of IP addresses: ns2.nwt.cz has 217.31.48.201 and 2001:1ab0:7e1e:2::5, and ns.nwt.cz has 185.65.223.35 and 2a00:1e40:a:53::5.

Mail Servers

Mail for dcsilo.cz is handled by a single mail server, dcsilo-cz.mail.protection.outlook.com.

dcsilo-cz.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.15, 52.101.68.21, 52.101.73.22 and 5 others.