devzero.dk - dns.ninja

`devzero.dk`

DNSSEC	⚠️ Not signed
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	`mx01.kolabnow.com` ⭐
		A	185.254.79.30^{🇨🇭 AS15576185.254.76.0/22}
			PTR	`kolabnow.com`
		A	185.254.79.31^{🇨🇭 AS15576185.254.76.0/22}
			PTR	`kolabnow.com`
MX	`mx02.kolabnow.com`⁽²⁰⁾
		A	185.254.79.30^{🇨🇭 AS15576185.254.76.0/22}
			PTR	`kolabnow.com`
		A	185.254.79.31^{🇨🇭 AS15576185.254.76.0/22}
			PTR	`kolabnow.com`
		A	185.254.79.32^{AS15576185.254.76.0/22}
		A	185.254.79.33
		A	185.254.79.34
		A	185.254.79.35
		A	185.254.79.36
		A	185.254.79.37
		A	185.254.79.38
		A	185.254.79.39
		A	185.254.79.40
		A	185.254.79.41
		A	185.254.79.42
		A	185.254.79.43
		A	185.254.79.44
		A	185.254.79.45
		A	185.254.79.46
		A	185.254.79.47
TXT	`v=spf1 mx mx:mykolab.com mx:kolabnow.com -all`
SOA	`ns01.one.com`hostmaster@one.com 2026-05-11 #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 1781079841localtime Wed Jun 10 10:24:01 2026gmtime Wed Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781080021

Subdomains

mail.devzero.dk

home.devzero.dk

Same first word

devzero.org.uk

devzero.cologne

devzero.net

devzero.eu

devzero.ca

devzero.be

devzero.com

devzero.it

devzero.me

devzero.de

devzero.nl

devzero.io

devzero.co

devzero.info

devzero.si

devzero.co.uk

devzero.dk

devzero.co.nz

devzero.fr

devzero.ch

Similar names

zerodev.pro

zerodev.com

zerodev.app

edverzo.com

overzed.com

zerodev.it

zerodev.net

zerodev.org

DNS History

13 records (4 active, 9 former)

●NSns01.one.com2026-04-09 → 2026-06-10 · 3 obs

○ 2019-03-23 19:04:36
● 2026-04-09 11:31:54
● 2026-06-10 08:57:32

●NSns02.one.com2026-04-09 → 2026-06-10 · 3 obs

○ 2019-03-23 19:04:36
● 2026-04-09 11:31:54
● 2026-06-10 08:57:32

○NSns1.gratisdns.dk2008-04-09 → 2019-03-23 · 4 obs

● 2008-04-09 22:10:50
● 2019-03-23 19:04:36
○ 2026-04-09 11:31:54
○ 2026-06-10 08:57:32

○NSns2.gratisdns.dk2008-04-09 → 2019-03-23 · 4 obs

● 2008-04-09 22:10:50
● 2019-03-23 19:04:36
○ 2026-04-09 11:31:54
○ 2026-06-10 08:57:32

○NSns3.gratisdns.dk2008-04-09 → 2019-03-23 · 4 obs

● 2008-04-09 22:10:50
● 2019-03-23 19:04:36
○ 2026-04-09 11:31:54
○ 2026-06-10 08:57:32

○NSns4.gratisdns.dk2008-04-09 → 2019-03-23 · 4 obs

● 2008-04-09 22:10:50
● 2019-03-23 19:04:36
○ 2026-04-09 11:31:54
○ 2026-06-10 08:57:32

○NSns5.gratisdns.dk2008-04-09 → 2019-03-23 · 4 obs

● 2008-04-09 22:10:50
● 2019-03-23 19:04:36
○ 2026-04-09 11:31:54
○ 2026-06-10 08:57:32

○MXbackup-mx.dbnet.dk2015-08-01 → 2017-02-04 · 5 obs

○ 2008-04-09 22:10:50
● 2015-08-01 18:41:04
● 2017-02-04 20:52:44
○ 2019-03-23 19:04:36
○ 2026-06-10 08:57:32

○MXhome.devzero.dk2015-08-01 → 2017-02-04 · 5 obs

○ 2008-04-09 22:10:50
● 2015-08-01 18:41:04
● 2017-02-04 20:52:44
○ 2019-03-23 19:04:36
○ 2026-06-10 08:57:32

○MXmail.devzero.dk2008-04-09 → 2008-04-09 · 3 obs

● 2008-04-09 22:10:50
○ 2015-08-01 18:41:04
○ 2026-06-10 08:57:32

●MXmx01.kolabnow.com2019-03-23 → 2026-06-10 · 3 obs

○ 2017-02-04 20:52:44
● 2019-03-23 19:04:36
● 2026-06-10 08:57:32

●MXmx02.kolabnow.com2019-03-23 → 2026-06-10 · 3 obs

○ 2017-02-04 20:52:44
● 2019-03-23 19:04:36
● 2026-06-10 08:57:32

○A88.198.55.372008-04-09 → 2008-04-09 · 3 obs

● 2008-04-09 22:10:50
○ 2015-08-01 18:41:04
○ 2026-06-10 08:57:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
devzero.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: 2064ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns02.one.com, ns01.one.com`
MX	2	`mx02.kolabnow.com (pri: 20), mx01.kolabnow.com (pri: 10)`
TXT	1	`v=spf1 mx mx:mykolab.com mx:kolabnow.com`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

mail.devzero.dk and home.devzero.dk each fall under devzero.dk as their parent domain.

Name Servers

devzero.dk is delegated to two name servers, ns01.one.com and ns02.one.com.

devzero.dk shares its NS records with other domains, for example katjarivas.com, lamelgardinfabrikken.dk, mineslund.dk and two others.

The host names ns01.one.com and ns02.one.com each point to two IP numbers: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10. ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

devzero.dk is handled by two mail servers, mx01.kolabnow.com and mx02.kolabnow.com.

Host names with 18 IP numbers:

The host name mx02.kolabnow.com points to: 185.254.79.30, 185.254.79.31, 185.254.79.32 and fifteen other.

Host names with two IP numbers:

The host name mx01.kolabnow.com points to: 185.254.79.30 and 185.254.79.31.

Host names that point to 185.254.79.30 : mx02.kolabnow.com and mx01.kolabnow.com.

Host names that point to 185.254.79.31 : mx02.kolabnow.com and mx01.kolabnow.com.