openstone.dk - dns.ninja

`openstone.dk`

DNSSEC	⚠️ Not signed
NS	`ns1.simply.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com` ⚠️ Not in zone NS records
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`

`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 1786514760localtime Wed Aug 12 08:06:00 2026gmtime Wed Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786514760

Same first word

openstone.tech

openstone.dk

openstone.cn

Similar names

opennotes.us

opennotes.org

seenontop.com

neonetops.com

onenetpos.com

opentones.com

onestopne.com

DNS History

18 records (4 active, 14 former)

○NSns1.gratisdns.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

●NSns1.simply.com2026-06-14 → 2026-08-12 · 3 obs

○ 2020-03-30 14:30:54
● 2026-06-14 13:48:20
● 2026-08-12 06:10:02

○NSns1.unoeuro.com2017-03-29 → 2020-03-30 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2020-03-30 14:30:54
○ 2026-06-14 13:48:20
○ 2026-08-12 06:10:02

○NSns2.gratisdns.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

●NSns2.simply.com2026-06-14 → 2026-08-12 · 3 obs

○ 2020-03-30 14:30:54
● 2026-06-14 13:48:20
● 2026-08-12 06:10:02

○NSns2.unoeuro.com2017-03-29 → 2020-03-30 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2020-03-30 14:30:54
○ 2026-06-14 13:48:20
○ 2026-08-12 06:10:02

○NSns3.gratisdns.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

●NSns3.simply.com2026-06-14 → 2026-08-12 · 3 obs

○ 2020-03-30 14:30:54
● 2026-06-14 13:48:20
● 2026-08-12 06:10:02

○NSns3.unoeuro.com2017-03-29 → 2020-03-30 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2020-03-30 14:30:54
○ 2026-06-14 13:48:20
○ 2026-08-12 06:10:02

○NSns4.gratisdns.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

●NSns4.simply.com2026-06-14 → 2026-08-12 · 3 obs

○ 2020-03-30 14:30:54
● 2026-06-14 13:48:20
● 2026-08-12 06:10:02

○NSns4.unoeuro.com2017-03-29 → 2020-03-30 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2020-03-30 14:30:54
○ 2026-06-14 13:48:20
○ 2026-08-12 06:10:02

○NSns5.gratisdns.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

○MXbengerd.openstone.dk2015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

○MXmx.simply.com2026-06-14 → 2026-06-14 · 4 obs

○ 2020-03-30 14:30:54
● 2026-06-14 13:48:20
○ 2026-07-08 14:15:50
○ 2026-08-12 06:10:02

○MXmx.unoeuro.com2017-03-29 → 2020-03-30 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2020-03-30 14:30:54
○ 2026-06-14 13:48:20
○ 2026-08-12 06:10:02

○A85.81.147.1502015-08-08 → 2016-07-27 · 4 obs

● 2015-08-08 07:14:34
● 2016-07-27 09:22:14
○ 2017-03-29 20:09:12
○ 2026-08-12 06:10:02

○A94.231.103.1372017-03-29 → 2026-06-14 · 5 obs

○ 2016-07-27 09:22:14
● 2017-03-29 20:09:12
● 2026-06-14 13:48:20
○ 2026-07-08 14:15:50
○ 2026-08-12 06:10:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.25.141.15

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstone.dk (unsigned zone)

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

The NS records for openstone.dk point to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

openstone.dk shares at least some of its name servers with other domains, including langdill.dk, vagt-bil.dk, asisdanmark.dk and two others.

These name servers are frequently seen alongside the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Host names that have two IP addresses:

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

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

Host names that point to one IP address:

ns3.simply.com resolves to 91.197.248.79.

ns4.simply.com resolves to 91.197.248.80.