freesia.cz - robtex.com

freesia.cz

DNSSEC⚠️ Not signed
A2a01:430:43::131🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ
PTRmaster.dc3.cz
A81.31.35.131🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1
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=1763021100

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=1786141042

Same first word

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DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns1.tele3.czns2.tele3.czns3.tele3.euns.web4u.czns2.web4u.czMXmail.dc3.czmail.freesia.czA2a01:430:43::13181.31.35.13181.91.86.12
○NSns.web4u.cz2015-07-07 → 2017-04-15 · 4 obs
● 2015-07-07 16:26:36
● 2017-04-15 11:16:06
○ 2026-06-13 00:27:12
○ 2026-08-07 22:29:54
●NSns1.tele3.cz2026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
●NSns2.tele3.cz2026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
○NSns2.web4u.cz2015-07-07 → 2017-04-15 · 4 obs
● 2015-07-07 16:26:36
● 2017-04-15 11:16:06
○ 2026-06-13 00:27:12
○ 2026-08-07 22:29:54
●NSns3.tele3.eu2026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
●MXmail.dc3.cz2026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
○MXmail.freesia.cz2015-07-07 → 2017-04-15 · 4 obs
● 2015-07-07 16:26:36
● 2017-04-15 11:16:06
○ 2026-06-13 00:27:12
○ 2026-08-07 22:29:54
●A2a01:430:43::1312026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
●A81.31.35.1312026-06-13 → 2026-08-07 · 3 obs
○ 2017-04-15 11:16:06
● 2026-06-13 00:27:12
● 2026-08-07 22:29:54
○A81.91.86.122015-07-07 → 2017-04-15 · 4 obs
● 2015-07-07 16:26:36
● 2017-04-15 11:16:06
○ 2026-06-13 00:27:12
○ 2026-08-07 22:29:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
freesia.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 freesia.cz (unsigned zone)

⏱️ Timing

Total: 1212ms | Queries: -

📄 Records

TypeCountSample Data
A181.31.35.131
AAAA12a01:430:43::131
NS3ns3.tele3.eu, ns1.tele3.cz...
MX1mail.dc3.cz (pri: 10)
SOA1ns1.tele3.cz root.tele3.cz

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)

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

Analysis

IP Addresses

freesia.cz resolves to the IP addresses 81.31.35.131 and 2a01:430:43::131

hodis.cz, udedka.cz, obchod-thule.cz and two other host names share IP numbers with freesia.cz.

Name Servers

DNS for freesia.cz is handled by three authoritative name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.

freesia.cz shares at least some of its name servers with other domains, including testcalculateur.fr, ybyr.net, dfpartner.cz and two others.

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

Mail Servers

Mail for freesia.cz is handled by a single mail server, mail.dc3.cz.

freesia.cz uses an identical mail server configuration to several other domains — among them iret.cz, cavern.cz, wdm.cz and two more.

freesia.cz shares at least some of its mail servers with other domains, such as carcentre.cz.

mail.dc3.cz has exactly one IP number: 81.0.217.5.