gbtk.dk - robtex.com

gbtk.dk

DNSSEC⚠️ Not signed
A49.12.60.85🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC
PTRweb03.c-system.dk
NSns1.c-system.dk ⭐
A49.12.60.90🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC
PTRns1.c-system.dk
NSns2.c-system.dk
A49.12.60.94🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC
PTRns2.c-system.dk
NSns3.c-system.dk
A37.27.223.112🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC
PTRmonitor.itout.dk
MXmx.simply.com ⭐
A94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRmx.simply.com
TXTv=spf1 a:web03.c-system.dk a:web01.c-system.dk include:spf.protection.outlook...
SOAns1.c-system.dkhostmaster@c-system.dk serial=1689931937

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1784851921localtime Fri Jul 24 02:12:01 2026gmtime Fri Ju...
SOAb.nic.dktech@punktum.dk serial=1784851921

Same first word

gbtk.com
gbtk.com.cn
gbtk.org
gbtk.dk
gbtk.ru

Similar names

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kbtg.cn
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bgkt.de
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tbgk.com
kbtg.com
kbtg.ch
gktb.ru

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSns1.c-system.dkns2.c-system.dkns3.c-system.dkns.dir.dkns1.unoeuro.comns2.dir.dkns2.unoeuro.comns3.dir.dkns3.unoeuro.comns4.unoeuro.comMXmx.simply.comabizmail1.abusiness.dkmx.unoeuro.commxbackup1.abusiness.dkA49.12.60.85193.201.39.14394.231.103.36
○NSns.dir.dk2015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
●NSns1.c-system.dk2026-06-11 → 2026-07-24 · 3 obs
○ 2019-12-28 23:39:10
● 2026-06-11 08:18:42
● 2026-07-24 00:43:14
○NSns1.unoeuro.com2017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14
●NSns2.c-system.dk2026-06-11 → 2026-07-24 · 3 obs
○ 2019-12-28 23:39:10
● 2026-06-11 08:18:42
● 2026-07-24 00:43:14
○NSns2.dir.dk2015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
○NSns2.unoeuro.com2017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14
●NSns3.c-system.dk2026-06-11 → 2026-07-24 · 3 obs
○ 2019-12-28 23:39:10
● 2026-06-11 08:18:42
● 2026-07-24 00:43:14
○NSns3.dir.dk2015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
○NSns3.unoeuro.com2017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14
○NSns4.unoeuro.com2017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14
○MXabizmail1.abusiness.dk2015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
●MXmx.simply.com2026-06-11 → 2026-07-24 · 3 obs
○ 2019-12-28 23:39:10
● 2026-06-11 08:18:42
● 2026-07-24 00:43:14
○MXmx.unoeuro.com2017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14
○MXmxbackup1.abusiness.dk2015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
○A193.201.39.1432015-06-02 → 2016-07-16 · 4 obs
● 2015-06-02 11:47:26
● 2016-07-16 06:11:24
○ 2017-02-18 07:29:42
○ 2026-07-24 00:43:14
●A49.12.60.852026-06-11 → 2026-07-24 · 3 obs
○ 2019-12-28 23:39:10
● 2026-06-11 08:18:42
● 2026-07-24 00:43:14
○A94.231.103.362017-02-18 → 2019-12-28 · 5 obs
○ 2016-07-16 06:11:24
● 2017-02-18 07:29:42
● 2019-12-28 23:39:10
○ 2026-06-11 08:18:42
○ 2026-07-24 00:43:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkc.nic.dk, l.nic.dk, b.nic.dk, s.nic.dk...-
gbtk.dkns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk-

✅ Authoritative Response

Server:49.12.60.90

NS records: ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gbtk.dk (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

TypeCountSample Data
A149.12.60.85
NS3ns3.c-system.dk, ns1.c-system.dk...
MX1mx.simply.com (pri: 10)
TXT1v=spf1 a:web03.c-system.dk a:web01.c-sys
SOA1ns1.c-system.dk hostmaster.c-system.dk

Analysis

IP Addresses

gbtk.dk resolves to one IP address: 49.12.60.85.

gbtk.dk shares its IP numbers with other host names, including hundogharmoni.dk, remote.gillelejevand.dk, humandimension.dk and nanette.dk.

Name Servers

gbtk.dk is served by three name servers: ns1.c-system.dk, ns2.c-system.dk and ns3.c-system.dk.

gbtk.dk has at least partial name server overlap with other domains, such as modelmager.dk, sidetester.dk, gribskov-skole.dk and two others.

ns1.c-system.dk has IP address 49.12.60.90, ns2.c-system.dk has IP address 49.12.60.94 and ns3.c-system.dk has IP address 37.27.223.112 — one address each.

Mail Servers

Mail for gbtk.dk is handled by a single mail server, mx.simply.com.

gbtk.dk uses an identical mail server configuration to several other domains — among them tilogfra.dk, runesforedrag.dk, kennis.dk and two more.

mx.simply.com resolves to 94.231.106.20 and no other IP number.