kospo.cz - robtex.com

kospo.cz

DNSSEC⚠️ Not signed
A217.11.236.20🇨🇿 CASABLANCA-AS217.11.236.0/24 Casablanca INT
NSns1.tele3.cz ⭐
A2001:1528:123::d01🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.tele3.cz
A81.0.217.111🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT
NSns2.tele3.cz
A2001:4de8:fa71:7e1e::d02🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.
PTRns2.tele3.cz
A95.80.251.222🇨🇿 QUANTCOM-AS95.80.192.0/18 Dial Telecom, a.s.
PTRns2.tele3.cz
NSns3.tele3.eu
A2a01:4f8:162:24c1::d03🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns3.tele3.eu
A5.9.97.250🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
PTRns3.tele3.eu
MXmail.dc3.cz ⭐
A81.0.217.5🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT
SOAns1.tele3.czroot@tele3.cz serial=1784326856

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=1784861240
WOT: SAFE (61/100)

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DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns1.tele3.czns2.tele3.czns3.tele3.euns.skok.czns2.skok.czns3.skokcz.euMXmail.dc3.czmx.skok.czmxbackup.skok.czA217.11.236.202a01:430:36:1::253:19789.185.253.197
○NSns.skok.cz2015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
●NSns1.tele3.cz2026-06-13 → 2026-07-24 · 3 obs
○ 2017-05-25 06:17:14
● 2026-06-13 07:28:20
● 2026-07-24 03:34:18
○NSns2.skok.cz2015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
●NSns2.tele3.cz2026-06-13 → 2026-07-24 · 3 obs
○ 2017-05-25 06:17:14
● 2026-06-13 07:28:20
● 2026-07-24 03:34:18
○NSns3.skokcz.eu2015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
●NSns3.tele3.eu2026-06-13 → 2026-07-24 · 3 obs
○ 2017-05-25 06:17:14
● 2026-06-13 07:28:20
● 2026-07-24 03:34:18
●MXmail.dc3.cz2026-06-13 → 2026-07-24 · 3 obs
○ 2017-05-25 06:17:14
● 2026-06-13 07:28:20
● 2026-07-24 03:34:18
○MXmx.skok.cz2015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
○MXmxbackup.skok.cz2015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
●A217.11.236.202026-06-13 → 2026-07-24 · 3 obs
○ 2017-05-25 06:17:14
● 2026-06-13 07:28:20
● 2026-07-24 03:34:18
○A2a01:430:36:1::253:1972015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18
○A89.185.253.1972015-06-07 → 2017-05-25 · 4 obs
● 2015-06-07 01:16:10
● 2017-05-25 06:17:14
○ 2026-06-13 07:28:20
○ 2026-07-24 03:34:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
kospo.czns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu4 records

✅ Authoritative Response

Server:5.9.97.250

NS records: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kospo.cz (unsigned zone)

⏱️ Timing

Total: 1213ms | Queries: -

📄 Records

TypeCountSample Data
A1217.11.236.20
NS3ns3.tele3.eu, ns1.tele3.cz...
MX1mail.dc3.cz (pri: 10)
SOA1ns1.tele3.cz root.tele3.cz

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.tele3.cz, ns2.tele3.cz, ns1.tele3.cz...)

Analysis

IP Addresses

kospo.cz directs to one IP number, which is 217.11.236.20.

Among the host names that share IP numbers with kospo.cz are ckrk.cz, tevacz.cz, vamez.cz and two others.

Name Servers

kospo.cz is served by three name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.

kospo.cz partially shares its NS delegation with several other domains, including krep.cz, stpp.cz, spov.cz and two others.

The hostnames ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu each direct to two IP addresses — ns1.tele3.cz to 81.0.217.111 and 2001:1528:123::d01, ns2.tele3.cz to 95.80.251.222 and 2001:4de8:fa71:7e1e::d02, and ns3.tele3.eu to 5.9.97.250 and 2a01:4f8:162:24c1::d03.

Mail Servers

kospo.cz routes its mail through a single mail server, mail.dc3.cz.

kospo.cz has the same mail server arrangement as a number of other domains, for example infosta.cz, roklinka.cz, kvetiny.com and two more.

mail.dc3.cz resolves to 81.0.217.5 and no other IP number.