tsk.cz - dns.ninja

tsk.cz

DNSSEC⚠️ Not signed
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.cn
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.us
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
MXmail.tsk.cz ⭐
A62.129.59.18🇨🇿 PODA-AS62.129.32.0/19 PODA-NET
PTRmail.tsk.cz
TXTv=spf1 a mx ~all
SOAns.forpsi.netadmin@forpsi.net 2020-06-01 #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=1784899040

Subdomains

imap.tsk.cz
server.tsk.cz
mail.tsk.cz
noproxy_5c83f3aabd737.tsk.cz

Same first word

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tsk.jp
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tsk.edu.hk

Similar names

tks.edu.vn
kst.ua
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kts.torun.pl
kts.gmbh
kst.co.uk
kst.world
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tks.com.cn
kst.lt
kst.com.my
kst.me
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kst.es
kts.fox
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kts.sk
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kst.nl
kst.lv
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tks.pl
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skt.com.hk
kts.osaka.jp
kts.org.kw
kts.im
stk.com.co
kts.si
kts.be
tks.sk
skt.li
kts.net.pl
skt.ch
stk.works
kts.tech
kst.com.de
skt.hu
kts.school.nz
skt.at
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kts.it
kts.nu
tks.la
skt.ac.th
tks.hr

DNS History

10 records (6 active, 4 former)

201020122014201620182020202220242026NSns.forpsi.cnns.forpsi.czns.forpsi.netns.forpsi.usMXmail.tsk.czmxavas.forpsi.comserver.tsk.czA81.2.194.24481.2.194.21081.2.195.29
●NSns.forpsi.cn2009-01-06 → 2026-07-24 · 2 obs
● 2009-01-06 09:16:14
● 2026-07-24 14:00:32
●NSns.forpsi.cz2009-01-06 → 2026-07-24 · 2 obs
● 2009-01-06 09:16:14
● 2026-07-24 14:00:32
●NSns.forpsi.net2009-01-06 → 2026-07-24 · 2 obs
● 2009-01-06 09:16:14
● 2026-07-24 14:00:32
●NSns.forpsi.us2009-01-06 → 2026-07-24 · 2 obs
● 2009-01-06 09:16:14
● 2026-07-24 14:00:32
●MXmail.tsk.cz2015-08-16 → 2026-07-24 · 6 obs
○ 2009-01-06 09:16:14
● 2015-08-16 12:49:08
● 2026-06-13 09:36:08
○ 2026-07-24 06:18:00
● 2026-07-24 08:34:14
● 2026-07-24 14:00:32
○MXmxavas.forpsi.com2009-01-06 → 2009-01-06 · 3 obs
● 2009-01-06 09:16:14
○ 2015-08-16 12:49:08
○ 2026-07-24 14:00:32
○MXserver.tsk.cz2015-08-16 → 2017-04-12 · 5 obs
○ 2009-01-06 09:16:14
● 2015-08-16 12:49:08
● 2017-04-12 01:07:44
○ 2020-12-11 22:41:08
○ 2026-07-24 14:00:32
○A81.2.194.2102009-01-06 → 2009-01-06 · 3 obs
● 2009-01-06 09:16:14
○ 2015-08-16 12:49:08
○ 2026-07-24 14:00:32
●A81.2.194.2442020-12-11 → 2026-07-24 · 6 obs
○ 2017-04-12 01:07:44
● 2020-12-11 22:41:08
● 2026-06-13 09:36:08
○ 2026-07-24 06:18:00
● 2026-07-24 08:34:14
● 2026-07-24 14:00:32
○A81.2.195.292015-08-16 → 2017-04-12 · 5 obs
○ 2009-01-06 09:16:14
● 2015-08-16 12:49:08
● 2017-04-12 01:07:44
○ 2020-12-11 22:41:08
○ 2026-07-24 14:00:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz-
tsk.czns.forpsi.cn, ns.forpsi.cz, ns.forpsi.us, ns.forpsi.net2 records

✅ Authoritative Response

Server:81.2.194.130

NS records: ns.forpsi.cn, ns.forpsi.cz, ns.forpsi.us, ns.forpsi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsk.cz (unsigned zone)

⏱️ Timing

Total: 2672ms | Queries: -

📄 Records

TypeCountSample Data
A181.2.194.244
NS4ns.forpsi.cn, ns.forpsi.cz...
MX1mail.tsk.cz (pri: 10)
TXT1v=spf1 a mx ~all
SOA1ns.forpsi.net admin.forpsi.net

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The domain tsk.cz is a parent of imap.tsk.cz, server.tsk.cz, mail.tsk.cz and noproxy_5c83f3aabd737.tsk.cz.

IP Addresses

tsk.cz has exactly one IP address — 81.2.194.244.

zelezarnyvs.cz, www.masek.eu, danielmoravek.com plus two other host names have IP numbers in common with tsk.cz.

Name Servers

Four name servers handle the delegation for tsk.cz: ns.forpsi.cn, ns.forpsi.cz, ns.forpsi.net and ns.forpsi.us.

At least some of tsk.cz's name servers are shared with other domains, for example hrplus.cz, itpodpora.com, patrin.cz and two more.

These name servers tend to be used in conjunction with the name servers ns.forpsi.it.

ns.forpsi.cz, ns.forpsi.net and ns.forpsi.us are three hostnames that each resolve to a pair of IP addresses: ns.forpsi.cz to 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.net to 81.2.194.130 and 2001:15e8:101:1::c282, and ns.forpsi.us to 95.110.254.165 and 2a00:6d41:2:1::5.

Mail Servers

tsk.cz uses one mail server — mail.tsk.cz.

mail.tsk.cz carries a single IP number, which is 62.129.59.18.