opensystems.dk - dns.ninja

opensystems.dk

DNSSEC⚠️ Not signed
A54.37.114.45🇫🇷 OVH54.37.0.0/16
PTRweb01.conviator.com
NSns1.dnsatconviator.com ⭐
A185.106.119.62🇷🇺 UNSPECIFIED160.0.0.0/3
PTRns1.dnsatconviator.com
NSns2.dnsatconviator.com
A185.106.119.63🇷🇺 UNSPECIFIED160.0.0.0/3
PTRns2.dnsatconviator.com
NSns3.dnsatconviator.com
A185.106.119.64🇷🇺 UNSPECIFIED160.0.0.0/3
PTRns3.dnsatconviator.com
MXmail.opensystems.dk ⭐
A54.37.114.45🇫🇷 OVH54.37.0.0/16
PTRweb01.conviator.com
TXTv=spf1 +a +mx +ip4:54.37.114.45 ~all
SOAns1.dnsatconviator.comhostmaster@vkdata.dk 2026-07-03 #1

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1786052880localtime Thu Aug 6 23:48:00 2026gmtime Thu Au...
SOAb.nic.dktech@punktum.dk serial=1786052886

Subdomains

www.opensystems.dk
mail.opensystems.dk

Same first word

opensystems.in
opensystems.org
opensystems.ru
opensystems.com
opensystems.net
opensystems.co.nz
opensystems.ch
opensystems.io
opensystems.az
opensystems.ar
opensystems.info
opensystems.mx
opensystems.com.ar
opensystems.com.au
opensystems.nl
opensystems.net.au
opensystems.se
opensystems.co
opensystems.it
opensystems.dk
opensystems.eu
opensystems.co.ke
opensystems.ind.br
opensystems.com.mx
opensystems.de
opensystems.us
opensystems.at

Similar names

neposystems.com
possystemen.nl

DNS History

30 records (5 active, 25 former)

20162017201820192020202120222023202420252026NSns1.dnsatconviator.comns2.dnsatconviator.comns3.dnsatconviator.comns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmail.opensystems.dkalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.commx.zoho.commx2.zoho.comA54.37.114.45139.162.142.93178.21.134.1062001:67c:3c0:12::535.206.197.23754.37.186.10585.159.214.10691.221.196.253
○NSns01.one.com2026-02-15 → 2026-06-04 · 5 obs
○ 2018-08-13 01:33:44
● 2026-02-15 18:02:22
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○NSns02.one.com2026-02-15 → 2026-06-04 · 5 obs
○ 2018-08-13 01:33:44
● 2026-02-15 18:02:22
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
●NSns1.dnsatconviator.com2026-07-31 → 2026-08-06 · 3 obs
○ 2026-06-04 13:15:16
● 2026-07-31 22:37:50
● 2026-08-06 22:18:34
○NSns1.gratisdns.dk2015-07-18 → 2018-08-13 · 4 obs
● 2015-07-18 13:02:10
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
●NSns2.dnsatconviator.com2026-07-31 → 2026-08-06 · 3 obs
○ 2026-06-04 13:15:16
● 2026-07-31 22:37:50
● 2026-08-06 22:18:34
○NSns2.gratisdns.dk2015-07-18 → 2018-08-13 · 4 obs
● 2015-07-18 13:02:10
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
●NSns3.dnsatconviator.com2026-07-31 → 2026-08-06 · 3 obs
○ 2026-06-04 13:15:16
● 2026-07-31 22:37:50
● 2026-08-06 22:18:34
○NSns3.gratisdns.dk2015-07-18 → 2018-08-13 · 4 obs
● 2015-07-18 13:02:10
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
○NSns4.gratisdns.dk2015-07-18 → 2018-08-13 · 4 obs
● 2015-07-18 13:02:10
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
○NSns5.gratisdns.dk2015-07-18 → 2018-08-13 · 4 obs
● 2015-07-18 13:02:10
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
○MXalt1.aspmx.l.google.com2015-07-18 → 2026-06-04 · 6 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
● 2017-02-04 15:08:20
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○MXalt2.aspmx.l.google.com2015-07-18 → 2026-06-04 · 6 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
● 2017-02-04 15:08:20
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○MXalt3.aspmx.l.google.com2017-02-04 → 2026-06-04 · 5 obs
○ 2016-05-02 08:13:14
● 2017-02-04 15:08:20
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○MXalt4.aspmx.l.google.com2017-02-04 → 2026-06-04 · 5 obs
○ 2016-05-02 08:13:14
● 2017-02-04 15:08:20
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○MXaspmx.l.google.com2015-07-18 → 2026-06-04 · 6 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
● 2017-02-04 15:08:20
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○MXaspmx2.googlemail.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
○ 2026-08-06 22:18:34
○MXaspmx3.googlemail.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
○ 2026-08-06 22:18:34
○MXaspmx4.googlemail.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
○ 2026-08-06 22:18:34
○MXaspmx5.googlemail.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
○ 2026-08-06 22:18:34
●MXmail.opensystems.dk2026-07-31 → 2026-08-06 · 3 obs
○ 2026-06-04 13:15:16
● 2026-07-31 22:37:50
● 2026-08-06 22:18:34
○MXmx.zoho.com2015-11-21 → 2016-05-02 · 5 obs
○ 2015-07-18 13:02:10
● 2015-11-21 09:54:44
● 2016-05-02 08:13:14
○ 2017-02-04 15:08:20
○ 2026-08-06 22:18:34
○MXmx2.zoho.com2015-11-21 → 2016-05-02 · 5 obs
○ 2015-07-18 13:02:10
● 2015-11-21 09:54:44
● 2016-05-02 08:13:14
○ 2017-02-04 15:08:20
○ 2026-08-06 22:18:34
○A139.162.142.932016-02-24 → 2016-05-02 · 5 obs
○ 2015-11-21 09:54:44
● 2016-02-24 05:53:46
● 2016-05-02 08:13:14
○ 2017-02-04 15:08:20
○ 2026-08-06 22:18:34
○A178.21.134.1062015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 13:02:10
○ 2015-11-21 09:54:44
○ 2026-08-06 22:18:34
○A2001:67c:3c0:12::532015-11-21 → 2015-11-21 · 4 obs
○ 2015-07-18 13:02:10
● 2015-11-21 09:54:44
○ 2016-02-24 05:53:46
○ 2026-08-06 22:18:34
○A5.206.197.2372018-08-13 → 2018-08-13 · 4 obs
○ 2017-02-04 15:08:20
● 2018-08-13 01:33:44
○ 2026-02-15 18:02:22
○ 2026-08-06 22:18:34
●A54.37.114.452026-07-31 → 2026-08-06 · 3 obs
○ 2026-06-04 13:15:16
● 2026-07-31 22:37:50
● 2026-08-06 22:18:34
○A54.37.186.1052026-02-15 → 2026-06-04 · 5 obs
○ 2018-08-13 01:33:44
● 2026-02-15 18:02:22
● 2026-06-04 13:15:16
○ 2026-07-31 22:37:50
○ 2026-08-06 22:18:34
○A85.159.214.1062017-02-04 → 2017-02-04 · 4 obs
○ 2016-05-02 08:13:14
● 2017-02-04 15:08:20
○ 2018-08-13 01:33:44
○ 2026-08-06 22:18:34
○A91.221.196.2532015-11-21 → 2015-11-21 · 4 obs
○ 2015-07-18 13:02:10
● 2015-11-21 09:54:44
○ 2016-02-24 05:53:46
○ 2026-08-06 22:18:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...12 records
opensystems.dkns1.dnsatconviator.com, ns2.dnsatconviator.com, ns3.dnsatconviator.com-

✅ Authoritative Response

Server:185.106.119.62

NS records: ns1.dnsatconviator.com, ns2.dnsatconviator.com, ns3.dnsatconviator.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensystems.dk (unsigned zone)

⏱️ Timing

Total: 861ms | Queries: -

📄 Records

TypeCountSample Data
A154.37.114.45
NS3ns2.dnsatconviator.com, ns1.dnsatconviator.com...
MX1mail.opensystems.dk (pri: 0)
TXT1v=spf1 +a +mx +ip4:54.37.114.45 ~all
SOA1ns1.dnsatconviator.com hostmaster.vkdata

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, c.nic.dk, h.nic.dk...)

Analysis

Hierarchy

The parent domain of www.opensystems.dk and mail.opensystems.dk is opensystems.dk.

IP Addresses

opensystems.dk directs to one IP number, which is 54.37.114.45.

Among the host names that share IP numbers with opensystems.dk are kongsbak-lassen.dk, spamfri.nu, conviator.biz and two others.

Name Servers

opensystems.dk carries NS records delegating to ns1.dnsatconviator.com, ns2.dnsatconviator.com and ns3.dnsatconviator.com.

There is at least partial name server overlap between opensystems.dk and other domains — bilisten.dk, unitechware.dk, agermose.dk and two more among them.

ns1.dnsatconviator.com points to 185.106.119.62; ns2.dnsatconviator.com points to 185.106.119.63; ns3.dnsatconviator.com points to 185.106.119.64 — each hostname maps to exactly one IP address.

Mail Servers

opensystems.dk routes its mail through a single mail server, mail.opensystems.dk.

mail.opensystems.dk carries a single IP number, which is 54.37.114.45.