isel.dk - dns.ninja

`isel.dk`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:10a:8015:c79b:4c21:a681^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.213.34^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.212^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx1.pub.mailpod14-cph3.one.com`
MX	`mx2.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.213^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx2.pub.mailpod14-cph3.one.com`
MX	`mx3.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.214^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx3.pub.mailpod14-cph3.one.com`
MX	`mx4.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.215^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx4.pub.mailpod14-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-05-26 #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 1781449561localtime Sun Jun 14 17:06:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781449561

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DNS History

18 records (8 active, 10 former)

○NSns.domainteam.dk2015-08-05 → 2016-02-25 · 4 obs

● 2015-08-05 16:59:58
● 2016-02-25 00:50:02
○ 2018-10-06 05:05:14
○ 2026-06-14 15:20:56

●NSns01.one.com2018-10-06 → 2026-06-14 · 3 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
● 2026-06-14 15:20:56

●NSns02.one.com2018-10-06 → 2026-06-14 · 3 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
● 2026-06-14 15:20:56

○NSns2.domainteam.dk2015-08-05 → 2016-02-25 · 4 obs

● 2015-08-05 16:59:58
● 2016-02-25 00:50:02
○ 2018-10-06 05:05:14
○ 2026-06-14 15:20:56

○MXbackup-mx.wannafind.dk2015-08-05 → 2016-02-25 · 4 obs

● 2015-08-05 16:59:58
● 2016-02-25 00:50:02
○ 2018-10-06 05:05:14
○ 2026-06-14 15:20:56

○MXmail.isel.dk2015-08-05 → 2016-02-25 · 4 obs

● 2015-08-05 16:59:58
● 2016-02-25 00:50:02
○ 2018-10-06 05:05:14
○ 2026-06-14 15:20:56

●MXmx1.pub.mailpod14-cph3.one.com2026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

○MXmx1.pub.mailpod3-cph3.one.com2018-10-06 → 2018-10-06 · 4 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
○ 2026-02-22 22:48:06
○ 2026-06-14 15:20:56

●MXmx2.pub.mailpod14-cph3.one.com2026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

○MXmx2.pub.mailpod3-cph3.one.com2018-10-06 → 2018-10-06 · 4 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
○ 2026-02-22 22:48:06
○ 2026-06-14 15:20:56

●MXmx3.pub.mailpod14-cph3.one.com2026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

○MXmx3.pub.mailpod3-cph3.one.com2018-10-06 → 2018-10-06 · 4 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
○ 2026-02-22 22:48:06
○ 2026-06-14 15:20:56

●MXmx4.pub.mailpod14-cph3.one.com2026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

○A2a02:2350:5:104:240:0:15c7:9b4c2018-10-06 → 2018-10-06 · 4 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
○ 2026-02-22 22:48:06
○ 2026-06-14 15:20:56

●A2a02:2350:5:10a:8015:c79b:4c21:a6812026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

●A46.30.213.342026-02-22 → 2026-06-14 · 3 obs

○ 2018-10-06 05:05:14
● 2026-02-22 22:48:06
● 2026-06-14 15:20:56

○A46.30.215.92018-10-06 → 2018-10-06 · 4 obs

○ 2016-02-25 00:50:02
● 2018-10-06 05:05:14
○ 2026-02-22 22:48:06
○ 2026-06-14 15:20:56

○A80.196.101.2292015-08-05 → 2016-02-25 · 4 obs

● 2015-08-05 16:59:58
● 2016-02-25 00:50:02
○ 2018-10-06 05:05:14
○ 2026-06-14 15:20:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
isel.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1720ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.213.34`
AAAA	1	`2a02:2350:5:10a:8015:c79b:4c21:a681`
NS	2	`ns02.one.com, ns01.one.com`
MX	4	`mx2.pub.mailpod14-cph3.one.com (pri: 10), mx1.pub.mailpod14-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

isel.dk has two IP addresses: 46.30.213.34 and 2a02:2350:5:10a:8015:c79b:4c21:a681

Two other host names, along with bx1.se, flourishchildpsychology.co.uk and alestrand.se, also share IP numbers with isel.dk.

Name Servers

DNS delegation for isel.dk points to two name servers: ns01.one.com and ns02.one.com.

isel.dk shares its NS records with other domains, for example merble.com, hagnes.no, afinit.digital and two others.

ns01.one.com directs to 195.206.121.10 and 2001:67c:28cc::10. ns02.one.com directs to 185.10.11.10 and 2001:67c:3c0::10. Each host name carries two IP addresses.

Mail Servers

Mail for isel.dk is handled by four mail servers: mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com, mx3.pub.mailpod14-cph3.one.com and mx4.pub.mailpod14-cph3.one.com.

There is at least a partial MX overlap between isel.dk and other domains, including rlsb.be, peakwalk.org.uk, greenelements.org and two others.

The hosts mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com, mx3.pub.mailpod14-cph3.one.com and mx4.pub.mailpod14-cph3.one.com all resolve to exactly one IP address each: 185.10.9.212, 185.10.9.213, 185.10.9.214 and 185.10.9.215 respectively.