`business-class.dk`

DNSSEC	🔒 Signed (DS record present)
A	93.191.156.160^{🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S}
		PTR	`linux272.unoeuro.com`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`mx.simply.com` ⭐
		A	94.231.106.20^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
			PTR	`mx.simply.com`
TXT	`v=DMARC1; p=none;`
TXT	`v=spf1 include:spf.simply.com -all`
SOA	`ns1.simply.com`hostmaster@simply.com 2026-02-04 #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 1778537882localtime Tue May 12 00:18:02 2026gmtime Mon Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778537882

Same first word

DNS History

12 records (6 active, 6 former)

○NSns1.gratisdns.dk2015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●NSns1.simply.com2026-04-28 → 2026-05-11 · 3 obs

○ 2017-10-25 00:54:26
● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

○NSns2.gratisdns.dk2015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●NSns2.simply.com2026-04-28 → 2026-05-11 · 3 obs

○ 2017-10-25 00:54:26
● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

○NSns3.gratisdns.dk2015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●NSns3.simply.com2026-04-28 → 2026-05-11 · 3 obs

○ 2017-10-25 00:54:26
● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

○NSns4.gratisdns.dk2015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●NSns4.simply.com2026-04-28 → 2026-05-11 · 3 obs

○ 2017-10-25 00:54:26
● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

○NSns5.gratisdns.dk2015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●MXmx.simply.com2026-04-28 → 2026-05-11 · 2 obs

● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

○A212.97.132.2102015-06-18 → 2017-10-25 · 4 obs

● 2015-06-18 15:07:42
● 2017-10-25 00:54:26
○ 2026-04-28 15:31:18
○ 2026-05-11 22:24:42

●A93.191.156.1602026-04-28 → 2026-05-11 · 3 obs

○ 2017-10-25 00:54:26
● 2026-04-28 15:31:18
● 2026-05-11 22:24:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
business-class.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.80

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.156.160`
NS	4	`ns4.simply.com, ns3.simply.com...`
MX	1	`mx.simply.com (pri: 10)`
TXT	2	`v=spf1 include:spf.simply.com -all, v=DMARC1; p=none;`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

IP Addresses

business-class.dk points to IP number: 93.191.156.160.

Other host names such as kaswa.se, perjacobsen.com, fazion.dk, cruize.dk and mail.aftenposten.dk share IPs with business-class.dk.

Name Servers

business-class.dk is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

business-class.dk at least partially shares name servers with other domains, for instance enkell.com, acropolisdesign.co.uk, vitek.dk, diatech.dk and nossell.dk.

Host names with two IP numbers:

ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.

ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.

Host names with one IP number:

ns3.simply.com points to: 91.197.248.79.

ns4.simply.com points to: 91.197.248.80.

Mail Servers

business-class.dk is handled by a single mail server, mx.simply.com.

The mail server setup for business-class.dk matches that of other domains, for instance mfkweb.org, ankerdal.dk, kpnet.dk, budumvang.dk and susitrolle.dk.

mx.simply.com points to a single IP: 94.231.106.20.

business-class.dk - robtex.com