isbjoern.dk - robtex.com

isbjoern.dk

DNSSEC⚠️ Not signed
A20.82.12.44🇳🇱 Microsoft20.64.0.0/10
NSns1.e-studio.dk ⭐
A2001:67c:564:fffc::11🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRns1.e-studio.dk
A195.242.131.5🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRns1.e-studio.dk
NSns2.e-studio.dk
A2a00:1b18:2:3::2🇩🇰 DLX-AS2a00:1b18::/29
PTRns2.e-studio.dk
A62.69.152.34🇩🇰 DLX-AS62.69.152.0/21 DLX
NSns3.e-studio.dk
A2001:67c:564:fffc::13🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRns3.e-studio.dk
A193.200.90.183🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRns3.e-studio.dk
MXmx1.spamfri.dk ⭐
A2001:67c:564:fffd::1001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRmx1.spamfri.dk
A195.242.131.16🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRmx1.spamfri.dk
MXmx2.spamfri.dk(20)
A2001:67c:564:fffd::2001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRmx2.spamfri.dk
A193.200.91.109🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRmx2.spamfri.dk
MXmx3.spamfri.dk(30)
A2a00:1b18:2:3:fe::2🇩🇰 DLX-AS2a00:1b18::/29
PTRmx3.spamfri.dk
A62.69.152.43🇩🇰 DLX-AS62.69.152.0/21 DLX
TXTv=spf1 ip4:195.242.131.32 include:_spf.e-studio.dk -all
TXT44wljc3d98lb1ycs23h3y1m5xtc9tt7v
SOAns1.e-studio.dkhostmaster@mailrelay.e-studio.dk 2026-04-06 #14

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 1778802841localtime Fri May 15 01:54:01 2026gmtime Thu Ma...
SOAb.nic.dktech@punktum.dk serial=1778802841

Previously MX for

isbjoern.dk

Subdomains

mail.isbjoern.dk

Same first word

isbjoern.info
isbjoern.dk

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.e-studio.dkns2.e-studio.dkns3.e-studio.dkns1.nazwa.plns2.nazwa.plns3.nazwa.plMXmx1.spamfri.dkmx2.spamfri.dkmx3.spamfri.dkisbjoern.dkA20.82.12.4485.128.227.35
●NSns1.e-studio.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
○NSns1.nazwa.pl2015-06-20 → 2017-05-29 · 4 obs
● 2015-06-20 19:45:06
● 2017-05-29 06:28:58
○ 2026-05-09 09:48:22
○ 2026-05-15 00:19:56
●NSns2.e-studio.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
○NSns2.nazwa.pl2015-06-20 → 2017-05-29 · 4 obs
● 2015-06-20 19:45:06
● 2017-05-29 06:28:58
○ 2026-05-09 09:48:22
○ 2026-05-15 00:19:56
●NSns3.e-studio.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
○NSns3.nazwa.pl2015-06-20 → 2017-05-29 · 4 obs
● 2015-06-20 19:45:06
● 2017-05-29 06:28:58
○ 2026-05-09 09:48:22
○ 2026-05-15 00:19:56
○MXisbjoern.dk2015-06-20 → 2017-05-29 · 4 obs
● 2015-06-20 19:45:06
● 2017-05-29 06:28:58
○ 2026-05-09 09:48:22
○ 2026-05-15 00:19:56
●MXmx1.spamfri.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
●MXmx2.spamfri.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
●MXmx3.spamfri.dk2026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
●A20.82.12.442026-05-09 → 2026-05-15 · 3 obs
○ 2017-05-29 06:28:58
● 2026-05-09 09:48:22
● 2026-05-15 00:19:56
○A85.128.227.352015-06-20 → 2017-05-29 · 4 obs
● 2015-06-20 19:45:06
● 2017-05-29 06:28:58
○ 2026-05-09 09:48:22
○ 2026-05-15 00:19:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, t.nic.dk, h.nic.dk, l.nic.dk...-
isbjoern.dkns2.e-studio.dk, ns3.e-studio.dk, ns1.e-studio.dk-

✅ Authoritative Response

Server:62.69.152.34

NS records: ns2.e-studio.dk, ns3.e-studio.dk, ns1.e-studio.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isbjoern.dk (unsigned zone)

⏱️ Timing

Total: 1006ms | Queries: -

📄 Records

TypeCountSample Data
A120.82.12.44
NS3ns2.e-studio.dk, ns3.e-studio.dk...
MX3mx2.spamfri.dk (pri: 20), mx1.spamfri.dk (pri: 10)...
TXT244wljc3d98lb1ycs23h3y1m5xtc9tt7v, v=spf1 ip4:195.242.131.32 include:_spf.e
SOA1ns1.e-studio.dk hostmaster.mailrelay.e-s

Analysis

Hierarchy

mail.isbjoern.dk has isbjoern.dk as its parent.

IP Addresses

isbjoern.dk maps to IP address 20.82.12.44.

Other host names, for instance cryptic.at, blueshiftco.com, elportaldelasletras.org, ailean.ch and dull.info share IP numbers with isbjoern.dk.

Name Servers

isbjoern.dk is delegated to name servers ns1.e-studio.dk, ns2.e-studio.dk and ns3.e-studio.dk.

isbjoern.dk at least partially shares name servers with other domains such as telum.dk, liex.dk, essos.dk, all4party.dk and photom.dk.

These name servers are commonly used with ns1.hostingdk.net and ns2.hostingdk.net.

Host names with two IP numbers:

ns1.e-studio.dk points to 2001:67c:564:fffc::11 and 195.242.131.5.

ns2.e-studio.dk points to 2a00:1b18:2:3::2 and 62.69.152.34.

ns3.e-studio.dk points to 2001:67c:564:fffc::13 and 193.200.90.183.

Mail Servers

isbjoern.dk is handled by three mail servers: mx1.spamfri.dk, mx2.spamfri.dk and mx3.spamfri.dk.

isbjoern.dk shares mail servers with other domains at least in part, for instance ckel.dk, bromose.org, renel.dk, dmd.dk and grt.dk.

these mail servers are commonly used alongside the mail servers mx4.spamfri.dk.

Host names with two IP numbers:

mx1.spamfri.dk points to 2001:67c:564:fffd::1001 and 195.242.131.16.

mx2.spamfri.dk points to 2001:67c:564:fffd::2001 and 193.200.91.109.

mx3.spamfri.dk points to 2a00:1b18:2:3:fe::2 and 62.69.152.43.