layer3.dk - dns.ninja

`layer3.dk`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:106:80d2:21c9:684b:3870^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.215.186^{🇩🇰 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	`mail.layer3.dk` ⭐
		A	5.103.14.18^{🇩🇰 FIBIA-P-S5.103.0.0/16 SEAS-NVE IPv4 Network}
			PTR	`5.103.14.18.static.fibianet.dk`
MX	`backup-mx.dbnet.dk`⁽²⁰⁾
TXT	`nlpim6a81592q23b096nthqg8e`
SOA	`ns01.one.com`hostmaster@one.com 2026-06-20 #2

`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 1782901262localtime Wed Jul 1 12:21:02 2026gmtime Wed Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782901447

Subdomains

mail.layer3.dk

Same first word

layer3.xyz

layer3.lv

layer3.com

layer3.at

layer3.bond

layer3.co.nz

layer3.org

layer3.services

layer3.host

layer3.dk

layer3.fr

layer3.tv

layer3.news

layer3.biz

layer3.ie

layer3.sa

layer3.ca

layer3.nl

layer3.tech

layer3.ng

layer3.com.au

layer3.nz

layer3.info

layer3.cloud

layer3.net.nz

Similar names

3layer.com.br

3layer.org

3layer.com

la3yer.com

3early.com

DNS History

12 records (6 active, 6 former)

●NSns01.one.com2026-02-23 → 2026-07-01 · 3 obs

○ 2019-01-29 15:01:42
● 2026-02-23 16:38:36
● 2026-07-01 11:03:16

●NSns02.one.com2026-02-23 → 2026-07-01 · 3 obs

○ 2019-01-29 15:01:42
● 2026-02-23 16:38:36
● 2026-07-01 11:03:16

○NSns1.gratisdns.dk2015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

○NSns2.gratisdns.dk2015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

○NSns3.gratisdns.dk2015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

○NSns4.gratisdns.dk2015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

○NSns5.gratisdns.dk2015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

●MXbackup-mx.dbnet.dk2015-08-16 → 2026-07-01 · 2 obs

● 2015-08-16 08:21:24
● 2026-07-01 11:03:16

●MXmail.layer3.dk2015-08-16 → 2026-07-01 · 2 obs

● 2015-08-16 08:21:24
● 2026-07-01 11:03:16

●A2a02:2350:5:106:80d2:21c9:684b:38702026-02-23 → 2026-07-01 · 3 obs

○ 2019-01-29 15:01:42
● 2026-02-23 16:38:36
● 2026-07-01 11:03:16

●A46.30.215.1862026-02-23 → 2026-07-01 · 3 obs

○ 2019-01-29 15:01:42
● 2026-02-23 16:38:36
● 2026-07-01 11:03:16

○A5.103.14.182015-08-16 → 2019-01-29 · 4 obs

● 2015-08-16 08:21:24
● 2019-01-29 15:01:42
○ 2026-02-23 16:38:36
○ 2026-07-01 11:03:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	h.nic.dk, c.nic.dk, b.nic.dk, t.nic.dk...	-
layer3.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:185.10.11.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1168ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.215.186`
AAAA	1	`2a02:2350:5:106:80d2:21c9:684b:3870`
NS	2	`ns01.one.com, ns02.one.com`
MX	2	`mail.layer3.dk (pri: 10), backup-mx.dbnet.dk (pri: 20)`
TXT	1	`nlpim6a81592q23b096nthqg8e`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

layer3.dk is a parent domain of mail.layer3.dk.

IP Addresses

layer3.dk resolves to the IP addresses 46.30.215.186 and 2a02:2350:5:106:80d2:21c9:684b:3870

orooz.com, leistiko.dk, brushmar.se plus two other host names have IP numbers in common with layer3.dk.

Name Servers

layer3.dk is delegated to two name servers: ns01.one.com and ns02.one.com.

The name server configuration of layer3.dk is shared with other domains, for instance herbots.dk, scores.nu, gral.se and two others.

layer3.dk shares at least some of its name servers with other domains, such as eastgrip.org.

ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

layer3.dk uses two mail servers, backup-mx.dbnet.dk and mail.layer3.dk.

At least some of the mail servers used by layer3.dk are shared with other domains: bit-factory.dk, gymnastikgaarden.dk, buskevej.dk and two others among them.

These mail servers are often deployed together with mail.bit-factory.dk, flying.superkids.dk, mail.buskevej.dk and 5 other mail servers.

Host names resolving to a single IP address:

mail.layer3.dk points to 5.103.14.18.