master-class.dk - dns.ninja

`master-class.dk`

DNSSEC	🔒 Signed (DS record present)
A	46.30.211.38^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
		PTR	`domain-parking.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`
SOA	`ns01.one.com`hostmaster@one.com 2026-07-17 #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 1785442141localtime Thu Jul 30 22:09:01 2026gmtime Thu Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1785442141

Same first word

Similar names

smart-scales.myshopify.com

smart-eclass.com

DNS History

13 records (3 active, 10 former)

●NSns01.one.com2026-03-08 → 2026-07-30 · 3 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
● 2026-07-30 20:09:58

●NSns02.one.com2026-03-08 → 2026-07-30 · 3 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
● 2026-07-30 20:09:58

○NSns1.gratisdns.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○NSns2.gratisdns.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○NSns3.gratisdns.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○NSns4.gratisdns.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○NSns5.gratisdns.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○MXmail.dynamicsystems.dk2015-08-18 → 2017-06-02 · 4 obs

● 2015-08-18 00:23:28
● 2017-06-02 15:29:16
○ 2026-03-08 01:30:34
○ 2026-07-30 20:09:58

○MXmx1.pub.mailpod9-cph3.one.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
○ 2026-07-11 00:26:20
○ 2026-07-30 20:09:58

○MXmx2.pub.mailpod9-cph3.one.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
○ 2026-07-11 00:26:20
○ 2026-07-30 20:09:58

○MXmx3.pub.mailpod9-cph3.one.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
○ 2026-07-11 00:26:20
○ 2026-07-30 20:09:58

○MXmx4.pub.mailpod9-cph3.one.com2026-03-08 → 2026-03-08 · 4 obs

○ 2017-06-02 15:29:16
● 2026-03-08 01:30:34
○ 2026-07-11 00:26:20
○ 2026-07-30 20:09:58

●A46.30.211.382026-03-08 → 2026-07-30 · 2 obs

● 2026-03-08 01:30:34
● 2026-07-30 20:09:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	c.nic.dk, b.nic.dk, l.nic.dk, s.nic.dk...	12 records
master-class.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: 2128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.211.38`
NS	2	`ns02.one.com, ns01.one.com`
MX	1	`. (pri: 0)`
SOA	1	`ns01.one.com hostmaster.one.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (t.nic.dk, s.nic.dk, l.nic.dk...)

Analysis

IP Addresses

master-class.dk points to a single IP number: 46.30.211.38.

Additional host names — gunge.fr, stjerne.eu, scandomain.dk and two others — share IP numbers with master-class.dk.

Name Servers

The NS records for master-class.dk delegate to ns01.one.com and ns02.one.com.

master-class.dk shares its name server setup with other domains, including sterenborg.de, gtmail.dk, rossen.com and two others.

ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10. Likewise, ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10 — two IP addresses apiece.