gulstrom.dk - robtex.com

gulstrom.dk

DNSSEC🔒 Signed (DS record present)
A5.103.39.198🇩🇰 FIBIA-P-S5.103.0.0/16 SEAS-NVE IPv4 Network
PTR5.103.39.198.static.fibianet.dk
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXgulstrom-dk.mail.protection.outlook.com ⭐
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::4🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::6🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.68.39🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
TXTgoogle-site-verification=IHcSqLB6iRbiLsKuTtqfxoH0DT0ux0W5us2aHy7GpJE
TXTgoogle-site-verification=csnoWC2GqNNhHSsetRvfcbe2-iMWdtD1oSC8D0NP1gY
TXTgoogle-site-verification=GotEhDcS9PD9jLP74JsihQc0EkbgN8qrmLskIPfzRBc
TXTv=spf1 mx ip4:5.103.39.212 include:spf.protection.outlook.com a:mail.nrgi.dk ...
TXTMS=ms61495145
SOAns01.one.comhostmaster@one.com 2026-04-11 #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 1775993221localtime Sun Apr 12 13:27:01 2026gmtime Sun Ap...
SOAb.nic.dktech@punktum.dk serial=1775993221

Subdomains

mail.gulstrom.dk

Same first word

gulstrom.dk

Similar names

glustrom.com

DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXgulstrom-dk.mail.protection.outlook.commail.gustrom.dkmail.natur-energi.dkmail2013.natur-energi.dkA5.103.39.198134.213.209.72139.162.200.246
●NSns01.one.com2026-04-10 → 2026-04-12 · 3 obs
○ 2017-05-27 17:50:02
● 2026-04-10 00:10:48
● 2026-04-12 11:33:18
●NSns02.one.com2026-04-10 → 2026-04-12 · 3 obs
○ 2017-05-27 17:50:02
● 2026-04-10 00:10:48
● 2026-04-12 11:33:18
○NSns1.gratisdns.dk2015-07-20 → 2017-05-27 · 4 obs
● 2015-07-20 22:53:02
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○NSns2.gratisdns.dk2015-07-20 → 2017-05-27 · 4 obs
● 2015-07-20 22:53:02
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○NSns3.gratisdns.dk2015-07-20 → 2017-05-27 · 4 obs
● 2015-07-20 22:53:02
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○NSns4.gratisdns.dk2015-07-20 → 2017-05-27 · 4 obs
● 2015-07-20 22:53:02
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○NSns5.gratisdns.dk2015-07-20 → 2017-05-27 · 4 obs
● 2015-07-20 22:53:02
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
●MXgulstrom-dk.mail.protection.outlook.com2026-04-10 → 2026-04-12 · 3 obs
○ 2017-05-27 17:50:02
● 2026-04-10 00:10:48
● 2026-04-12 11:33:18
○MXmail.gustrom.dk2015-07-20 → 2016-01-30 · 4 obs
● 2015-07-20 22:53:02
● 2016-01-30 20:40:40
○ 2016-08-02 15:39:20
○ 2026-04-12 11:33:18
○MXmail.natur-energi.dk2015-07-20 → 2016-01-30 · 4 obs
● 2015-07-20 22:53:02
● 2016-01-30 20:40:40
○ 2016-08-02 15:39:20
○ 2026-04-12 11:33:18
○MXmail2013.natur-energi.dk2016-08-02 → 2017-05-27 · 5 obs
○ 2016-01-30 20:40:40
● 2016-08-02 15:39:20
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○A134.213.209.722017-05-27 → 2017-05-27 · 4 obs
○ 2016-08-02 15:39:20
● 2017-05-27 17:50:02
○ 2026-04-10 00:10:48
○ 2026-04-12 11:33:18
○A139.162.200.2462015-07-20 → 2016-08-02 · 4 obs
● 2015-07-20 22:53:02
● 2016-08-02 15:39:20
○ 2017-05-27 17:50:02
○ 2026-04-12 11:33:18
●A5.103.39.1982026-04-10 → 2026-04-12 · 3 obs
○ 2017-05-27 17:50:02
● 2026-04-10 00:10:48
● 2026-04-12 11:33:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...-
gulstrom.dkns02.one.com, ns01.one.com-

✅ Authoritative Response

Server:185.10.11.10

NS records: ns02.one.com, ns01.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 892ms | Queries: -

📄 Records

TypeCountSample Data
A15.103.39.198
NS2ns01.one.com, ns02.one.com
MX1gulstrom-dk.mail.protection.outlook.com
TXT5google-site-verification=IHcSqLB6iRbiLsK, google-site-verification=csnoWC2GqNNhHSs...
SOA1ns01.one.com hostmaster.one.com

Analysis

Hierarchy

gulstrom.dk is the parent of mail.gulstrom.dk.

IP Addresses

gulstrom.dk points to IP number 5.103.39.198.

Other host names for example xn--gulstrm-v1a.dk, 5.103.39.198.static.fibianet.dk and gulstroem.dk share IP numbers with gulstrom.dk.

Name Servers

gulstrom.dk is delegated to two name servers: ns01.one.com and ns02.one.com.

gulstrom.dk uses the same name server setup as other domains such as nolin.se, sphereserver.dk, javada.be, bremake.com and firmassage.dk.

gulstrom.dk shares name servers with other domains at least partially, for example eu-emi.eu.

Host names with two IP numbers:

ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10; ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

gulstrom.dk is handled by a single mail server, gulstrom-dk.mail.protection.outlook.com.

gulstrom.dk uses the same mail server setup as other domains like xn--gulstrm-v1a.dk and gulstroem.dk.

Host name gulstrom-dk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::7, 52.101.68.25, 52.101.68.39, 52.101.73.2 and 52.101.73.11.