4plus.dk - dns.ninja

`4plus.dk`

DNSSEC	🔒 Signed (DS record present)
A	46.30.215.127^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
		PTR	`webforward.webpod16-cph3.one.com`
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	`4plus-dk.m-v1.mx.microsoft` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`MS=ms27010223`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com -all`
SOA	`ns01.one.com`hostmaster@one.com 2026-03-24 #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 1781374861localtime Sat Jun 13 20:21:01 2026gmtime Sat Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781374861

Subdomains

www.4plus.dk

Same first word

4plus.fr

4plus.ru

4plus.net

4plus.ca

4plus.tv

4plus.lv

4plus.dk

4plus.ch

4plus.it

4plus.com.br

4plus.cn

4plus.eu

4plus.co.th

4plus.org

4plus.events

4plus.de

4plus.at

4plus.com

Similar names

plus4.net

plus4.co

plus4.com

lps4u.com

puls4.de

plus4.ch

puls4.at

puls4.tv

plus4.altervista.org

plus4.cn

lsp4u.de

puls4.net

plus4.it

plus4.de

plus4.ru

puls4.com

puls4.ch

puls4.info

puls4.blogspot.co.id

lsp4u.com

plus4.tv

plus4.co.uk

plus4.org

plus4.co.nz

puls4.org

DNS History

15 records (4 active, 11 former)

●NSns01.one.com2026-02-21 → 2026-06-13 · 3 obs

○ 2016-10-05 20:03:08
● 2026-02-21 23:09:24
● 2026-06-13 18:49:08

●NSns02.one.com2026-02-21 → 2026-06-13 · 3 obs

○ 2016-10-05 20:03:08
● 2026-02-21 23:09:24
● 2026-06-13 18:49:08

○NSns1.solutio.dk2015-07-14 → 2016-10-05 · 4 obs

● 2015-07-14 09:22:30
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○NSns2.solutio.dk2015-07-14 → 2016-10-05 · 4 obs

● 2015-07-14 09:22:30
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○NSns3.solutio.dk2015-07-14 → 2016-10-05 · 4 obs

● 2015-07-14 09:22:30
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○NSns4.solutio.dk2015-07-14 → 2016-04-11 · 4 obs

● 2015-07-14 09:22:30
● 2016-04-11 03:36:24
○ 2016-10-05 20:03:08
○ 2026-06-13 18:49:08

●MX4plus-dk.m-v1.mx.microsoft2026-02-21 → 2026-06-13 · 3 obs

○ 2016-10-05 20:03:08
● 2026-02-21 23:09:24
● 2026-06-13 18:49:08

○MX4plus-dk.mail.protection.outlook.com2015-12-29 → 2016-10-05 · 5 obs

○ 2015-10-07 15:09:08
● 2015-12-29 12:37:28
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○MX4plus-dk.mx1.comendosystems.com2015-12-29 → 2016-10-05 · 5 obs

○ 2015-10-07 15:09:08
● 2015-12-29 12:37:28
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○MX4plus-dk.mx2.comendosystems.net2015-12-29 → 2016-10-05 · 5 obs

○ 2015-10-07 15:09:08
● 2015-12-29 12:37:28
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

○MXgw1.security.comendo.com2015-07-14 → 2015-10-07 · 4 obs

● 2015-07-14 09:22:30
● 2015-10-07 15:09:08
○ 2015-12-29 12:37:28
○ 2026-06-13 18:49:08

○MXgw2.security.comendo.com2015-07-14 → 2015-10-07 · 4 obs

● 2015-07-14 09:22:30
● 2015-10-07 15:09:08
○ 2015-12-29 12:37:28
○ 2026-06-13 18:49:08

○MXgw3.security.comendo.com2015-07-14 → 2015-10-07 · 4 obs

● 2015-07-14 09:22:30
● 2015-10-07 15:09:08
○ 2015-12-29 12:37:28
○ 2026-06-13 18:49:08

●A46.30.215.1272026-02-21 → 2026-06-13 · 3 obs

○ 2016-10-05 20:03:08
● 2026-02-21 23:09:24
● 2026-06-13 18:49:08

○A81.95.243.822015-07-14 → 2016-10-05 · 4 obs

● 2015-07-14 09:22:30
● 2016-10-05 20:03:08
○ 2026-02-21 23:09:24
○ 2026-06-13 18:49:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, c.nic.dk, l.nic.dk...	-
4plus.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: 1891ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.215.127`
NS	2	`ns01.one.com, ns02.one.com`
MX	1	`4plus-dk.m-v1.mx.microsoft (pri: 1)`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms27010223`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

4plus.dk serves as the parent of www.4plus.dk.

IP Addresses

4plus.dk resolves to one IP address: 46.30.215.127.

smgsystems.eu, scangastro.dk, roseli.net and two other host names share IP numbers with 4plus.dk.

Name Servers

4plus.dk uses two name servers for its delegation: ns01.one.com and ns02.one.com.

4plus.dk uses the same name servers as several other domains — among them northspan.se, povelsen.info, nicolajholm.dk and two more.

The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

Mail for 4plus.dk is handled by a single mail server, 4plus-dk.m-v1.mx.microsoft.

4plus-dk.m-v1.mx.microsoft resolves to 8 IP addresses — 52.101.68.21, 52.101.73.1, 52.101.73.12 and 5 others.