`arnum.dk`

DNSSEC	🔒 Signed (DS record present)
A	195.242.130.70^{🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
		PTR	`web7.e-studio.dk`
NS	`ns1.e-studio.dk` ⭐
		A	2001:67c:564:fffc::11^{🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS}
			PTR	`ns1.e-studio.dk`
		A	195.242.131.5^{🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
			PTR	`ns1.e-studio.dk`
NS	`ns2.e-studio.dk`
		A	2a00:1b18:2:3::2^{🇩🇰 DLX-AS2a00:1b18::/29}
			PTR	`ns2.e-studio.dk`
		A	62.69.152.34^{🇩🇰 DLX-AS62.69.152.0/21 DLX}
NS	`ns3.e-studio.dk`
		A	2001:67c:564:fffc::13^{🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS}
			PTR	`ns3.e-studio.dk`
		A	193.200.90.183^{🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
			PTR	`ns3.e-studio.dk`
MX	`mx4.spamfri.dk` ⭐
		A	2001:67c:564:fffd::4001^{🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS}
			PTR	`mx4.spamfri.dk`
		A	193.200.91.108^{🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
			PTR	`mx4.spamfri.dk`
MX	`mx2.spamfri.dk`⁽²⁰⁾
		A	2001:67c:564:fffd::2001^{🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS}
			PTR	`mx2.spamfri.dk`
		A	193.200.91.109^{🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
			PTR	`mx2.spamfri.dk`
MX	`mx3.spamfri.dk`⁽³⁰⁾
		A	2a00:1b18:2:3:fe::2^{🇩🇰 DLX-AS2a00:1b18::/29}
			PTR	`mx3.spamfri.dk`
		A	62.69.152.43^{🇩🇰 DLX-AS62.69.152.0/21 DLX}
MX	`mx1.spamfri.dk`⁽⁴⁰⁾
		A	2001:67c:564:fffd::1001^{🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS}
			PTR	`mx1.spamfri.dk`
		A	195.242.131.16^{🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+}
			PTR	`mx1.spamfri.dk`
TXT	`v=spf1 +mx +a +ip4:195.242.130.70 +include:_spf.e-studio.dk +include:_spf.goo...`
SOA	`ns1.e-studio.dk`hostmaster@mailrelay.e-studio.dk 2026-06-05 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1783786141localtime Sat Jul 11 18:09:01 2026gmtime Sat Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1783786141

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DNS History

15 records (8 active, 7 former)

○NSns01.one.com2015-07-21 → 2016-12-26 · 4 obs

● 2015-07-21 01:40:20
● 2016-12-26 04:29:36
○ 2026-06-11 07:46:48
○ 2026-07-11 16:44:02

○NSns02.one.com2015-07-21 → 2016-12-26 · 4 obs

● 2015-07-21 01:40:20
● 2016-12-26 04:29:36
○ 2026-06-11 07:46:48
○ 2026-07-11 16:44:02

●NSns1.e-studio.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●NSns2.e-studio.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●NSns3.e-studio.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●MXmx1.spamfri.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●MXmx2.spamfri.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●MXmx3.spamfri.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

●MXmx4.spamfri.dk2026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

○MXmxcluster1.one.com2015-07-21 → 2016-12-26 · 4 obs

● 2015-07-21 01:40:20
● 2016-12-26 04:29:36
○ 2026-06-11 07:46:48
○ 2026-07-11 16:44:02

○MXmxcluster2.one.com2015-07-21 → 2016-12-26 · 4 obs

● 2015-07-21 01:40:20
● 2016-12-26 04:29:36
○ 2026-06-11 07:46:48
○ 2026-07-11 16:44:02

●A195.242.130.702026-06-11 → 2026-07-11 · 3 obs

○ 2016-12-26 04:29:36
● 2026-06-11 07:46:48
● 2026-07-11 16:44:02

○A46.30.212.2472015-11-22 → 2016-04-07 · 5 obs

○ 2015-07-21 01:40:20
● 2015-11-22 03:39:26
● 2016-04-07 11:47:28
○ 2016-06-26 02:27:54
○ 2026-07-11 16:44:02

○A46.30.212.662015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 01:40:20
○ 2015-11-22 03:39:26
○ 2026-07-11 16:44:02

○A46.30.213.1412016-06-26 → 2016-12-26 · 5 obs

○ 2016-04-07 11:47:28
● 2016-06-26 02:27:54
● 2016-12-26 04:29:36
○ 2026-06-11 07:46:48
○ 2026-07-11 16:44:02

🔍 DNS Trace

Analysis

IP Addresses

arnum.dk resolves to one IP address: 195.242.130.70.

aleta.dk, ccteknik.dk, tovlig.dk and two other host names share IP numbers with arnum.dk.

Name Servers

DNS for arnum.dk is handled by three authoritative name servers: ns1.e-studio.dk, ns2.e-studio.dk and ns3.e-studio.dk.

arnum.dk shares at least some of its name servers with other domains, including ccms.dk, 4v.dk, redrocket.dk and two others.

Three hostnames — ns1.e-studio.dk, ns2.e-studio.dk and ns3.e-studio.dk — each have two IP addresses: ns1.e-studio.dk has 195.242.131.5 and 2001:67c:564:fffc::11, ns2.e-studio.dk has 62.69.152.34 and 2a00:1b18:2:3::2, and ns3.e-studio.dk has 193.200.90.183 and 2001:67c:564:fffc::13.

Mail Servers

Four mail servers handle email for arnum.dk: mx1.spamfri.dk, mx2.spamfri.dk, mx3.spamfri.dk and mx4.spamfri.dk.

arnum.dk has at least partial mail server overlap with other domains such as mx3.spamfri.dk, frankpoulsen.dk, holton.dk and two more.

The host names mx1.spamfri.dk, mx2.spamfri.dk, mx3.spamfri.dk and mx4.spamfri.dk each resolve to two IP addresses: mx1.spamfri.dk resolves to 195.242.131.16 and 2001:67c:564:fffd::1001; mx2.spamfri.dk resolves to 193.200.91.109 and 2001:67c:564:fffd::2001; mx3.spamfri.dk resolves to 62.69.152.43 and 2a00:1b18:2:3:fe::2; mx4.spamfri.dk resolves to 193.200.91.108 and 2001:67c:564:fffd::4001.

arnum.dk - robtex.com

arnum.dk

dk

Same first word

Similar names

DNS History

🔍 DNS Trace

Analysis

IP Addresses

Name Servers

Mail Servers

`arnum.dk`

`dk`