tcu.com.pl - robtex.com

tcu.com.pl

DNSSEC⚠️ Not signed
A185.25.150.24🇵🇱 BIZNESHOST-AS185.25.148.0/22
PTRvz17452.dahost.pl
NSns1.hekko.net.pl ⭐ ⚠️ Not in parent delegation
A94.152.255.102🇵🇱 OXYLION-AS94.152.255.0/24
PTRns1.hekko.net.pl
NSns1.cyberfolks.pl ⚠️ Not in zone NS records
A94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24
PTRns1.cyberfolks.pl
NSns2.cyberfolks.pl ⚠️ Not in zone NS records
A94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24
PTRns2.cyberfolks.pl
NSns2.hekko.net.pl ⚠️ Not in parent delegation
A94.152.254.102🇵🇱 OXYLION-AS94.152.254.0/24
PTRns2.hekko.net.pl
MXmail.tcu.com.pl ⭐
A185.25.150.24🇵🇱 BIZNESHOST-AS185.25.148.0/22
PTRvz17452.dahost.pl
TXTv=spf1 a mx include:spf.hekko.pl -all
SOAns1.hekko.net.plhostmaster@tcu.com.pl 2024-02-01 #2

com.pl

DNSSEC⚠️ Not signed
NSa-dns.pl ⭐ ⚠️ Not in parent delegation
NSb-dns.pl ⚠️ Not in parent delegation
NSd-dns.pl ⚠️ Not in parent delegation
NSf-dns.pl ⚠️ Not in parent delegation
NSh-dns.pl ⚠️ Not in parent delegation
NSj-dns.pl ⚠️ Not in parent delegation
SOAa-dns.pldnsmaster@nask.pl serial=1775975614

Previously MX for

tcu.com.pl

Subdomains

mail.tcu.com.pl

Same first word

tcu.biz
tcu.sk
tcu.ru
tcu.no
tcu.gov.br
tcu.edu
tcu.ch
tcu.com.uy
tcu.at
tcu.education
tcu.be
tcu.com
tcu.com.cn
tcu.pt
tcu.de
tcu.dk
tcu.us
tcu.es
tcu.mx
tcu.gov.hk
tcu.org
tcu.us.com
tcu.jp
tcu.it
tcu.info
tcu.ca
tcu.com.au
tcu.tj.cn
tcu.go.tz
tcu.com.hk
tcu.sk.ca
tcu.se
tcu.su
tcu.center
tcu.com.pl
tcu.cn
tcu.edu.cn
tcu.ac.jp
tcu.edu.tw
tcu.co.za
tcu.net
tcu.org.tw
tcu.org.uk
tcu.cc
tcu.in.ua

Similar names

utc.tv
cut.ai
cut.in
ctu.kz
ctu.jp
ctu.co
utc.cz
tuc.co.kr
ctu.ir
ctu.by
tuc.dk
ctu.no
tuc.tempurl.host
tuc.eu
uct.ir
uct.eu
utc.com.my
cut.co.uk
utc.co.zw
utc.de
cut.asia
utc.com
ctu.com.tw
utc.hk
tuc.vn
tuc.fi
ctu.co.za
ctu.me
ctu.com.tr
ctu.de
cut.nu
utc.com.pk
utc.eu
utc.com.mx
tuc.it
tuc.fun
uct.at
ctu.ru
cut.one
cut.ly
uct.co
utc.gr
cut.co
tuc.co.za
tuc.cz
uct.me
cut.my.id
utc.nl
uct.bz
utc.edu.in
ctu.se
utc.uz
uct.ac
cut.im
utc.mx
tuc.co.th
ctu.com.ve
tuc.co.com
utc.co.il
uct.mobi
tuc.com.ar
tuc.ch
ctu.edu
tuc.sk
ctu.com.co
utc.technology
cut.edu.uy
cut.lk
uct.hu
tuc.com.pt
tuc.info
tuc.co
tuc.or.jp
uct.cl
cut.kr
tuc.life
cut.de
cut.mx
cut.ru
cut.ng
ctu.at
tuc.cc
tuc.ac.ke
utc.ee
ctu.si
utc.mobi
utc.sk
tuc.org.uk
cut.hu
utc.edu.co
cut.ee
utc.pt
cut.group
ctu.us
utc.biz.ua
ctu.fr
utc.edu.au
tuc.cloud
utc.cl
uct.ru
uct.edu.so
utc.info
cut.school
cut.cl
utc.net
cut.icu
tuc.org
cut.com.ua
tuc.us
utc.edu.ni
ctu.it
uct.co.kr
tuc.cl
uct.com.tw
utc.net.pk
uct.hk
tuc.at
cut.fi
cut.ac.zw
ctu.org.nz
ctu.eu
cut.nl
ctu.cz
uct.co.za
cut.com.tw
utc.pl
utc.ac.th
utc.org
tuc.se
utc.ge
uct.net.za
utc.city
utc.cc
uct.net
tuc.co.id
cut.vn
cut.cc
utc.ac.cr
uct.edu.vn
cut.eu
tuc.biz
utc.com.br
utc.life
utc.tw
ctu.pl
cut.red
ctu.com
uct.kiev.ua
uct.de
ctu.co.uk
uct.se
utc.edu.mx
ctu.re
cut.lu
cut.bz
tuc.mx
uct.ua
tuc.cn
cut.it
cut.name
utc.world
cut.com
uct.ac.za
utc.us

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.cyberfolks.plns1.hekko.net.plns2.cyberfolks.plns2.hekko.net.plns1.nazwa.plns2.nazwa.plns3.nazwa.plMXmail.tcu.com.pltcu.com.plA185.25.150.2485.128.128.9985.128.134.25291.121.142.217
●NSns1.cyberfolks.pl2026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
●NSns1.hekko.net.pl2026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
○NSns1.nazwa.pl2015-06-05 → 2016-09-07 · 4 obs
● 2015-06-05 22:50:44
● 2016-09-07 23:16:32
○ 2026-04-10 10:56:08
○ 2026-04-13 01:38:08
●NSns2.cyberfolks.pl2026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
●NSns2.hekko.net.pl2026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
○NSns2.nazwa.pl2015-06-05 → 2016-09-07 · 4 obs
● 2015-06-05 22:50:44
● 2016-09-07 23:16:32
○ 2026-04-10 10:56:08
○ 2026-04-13 01:38:08
○NSns3.nazwa.pl2015-06-05 → 2016-09-07 · 4 obs
● 2015-06-05 22:50:44
● 2016-09-07 23:16:32
○ 2026-04-10 10:56:08
○ 2026-04-13 01:38:08
●MXmail.tcu.com.pl2026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
○MXtcu.com.pl2015-06-05 → 2016-09-07 · 4 obs
● 2015-06-05 22:50:44
● 2016-09-07 23:16:32
○ 2026-04-10 10:56:08
○ 2026-04-13 01:38:08
●A185.25.150.242026-04-10 → 2026-04-13 · 3 obs
○ 2016-09-07 23:16:32
● 2026-04-10 10:56:08
● 2026-04-13 01:38:08
○A85.128.128.992016-09-07 → 2016-09-07 · 4 obs
○ 2016-03-28 03:17:20
● 2016-09-07 23:16:32
○ 2026-04-10 10:56:08
○ 2026-04-13 01:38:08
○A85.128.134.2522015-10-24 → 2016-03-28 · 5 obs
○ 2015-06-05 22:50:44
● 2015-10-24 06:04:10
● 2016-03-28 03:17:20
○ 2016-09-07 23:16:32
○ 2026-04-13 01:38:08
○A91.121.142.2172015-06-05 → 2015-06-05 · 3 obs
● 2015-06-05 22:50:44
○ 2015-10-24 06:04:10
○ 2026-04-13 01:38:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
plf-dns.pl, d-dns.pl, h-dns.pl, a-dns.pl...-
tcu.com.plns2.cyberfolks.pl, ns1.cyberfolks.pl-

✅ Authoritative Response

Server:94.152.255.111

NS records: ns2.cyberfolks.pl, ns1.cyberfolks.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcu.com.pl (unsigned zone)

⏱️ Timing

Total: 700ms | Queries: -

📄 Records

TypeCountSample Data
A1185.25.150.24
NS2ns2.hekko.net.pl, ns1.hekko.net.pl
MX1mail.tcu.com.pl (pri: 10)
TXT1v=spf1 a mx include:spf.hekko.pl -all
SOA1ns1.hekko.net.pl hostmaster.tcu.com.pl

Analysis

Hierarchy

The parent of mail.tcu.com.pl is tcu.com.pl.

IP Addresses

tcu.com.pl points to a single IP: 185.25.150.24.

Other host names, for instance mail.fotokursy.com, mail.papcomputer.pl, ateam-event.pl, mail.ateam-event.pl and mail.tires.pl share IP numbers with tcu.com.pl.

Name Servers

tcu.com.pl's delegation is handled by four name servers: ns1.cyberfolks.pl, ns2.cyberfolks.pl, ns1.hekko.net.pl and ns2.hekko.net.pl.

tcu.com.pl partially shares name servers with other domains; examples include komornik-mikolow.pl, e-blogi.pl, ewazajaczkowska.pl, krasnalbydgoszcz.pl and net-expert.pl.

These name servers are commonly used with ns3.cyberfolks.pl, dns1.linuxpl.com, dns2.linuxpl.com, dns3.linuxpl.com, ns1.futurehost.pl and ns2.futurehost.pl.

Host names with one IP:

ns1.cyberfolks.pl points to 94.152.254.111

ns2.cyberfolks.pl points to 94.152.255.111

ns1.hekko.net.pl points to 94.152.255.102

ns2.hekko.net.pl points to 94.152.254.102

Mail Servers

tcu.com.pl is handled by a single mail server, mail.tcu.com.pl.

mail.tcu.com.pl points to a single IP: 185.25.150.24.