coresupport.dk - dns.ninja

coresupport.dk

DNSSEC๐Ÿ”’ Signed (DS record present)
A91.221.196.226๐Ÿ‡ฉ๐Ÿ‡ฐ ONECOM91.221.196.0/23
NSns01.one.com โญ
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::10๐Ÿ‡ฉ๐Ÿ‡ฐ ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXcoresupport-dk.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::f๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::2๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::d๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A2a01:111:f403:ca09::f๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.10๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.18๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.4๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.6๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms54917705
SOAns01.one.comhostmaster@one.com 2026-07-24 #1

dk

DNSSEC๐Ÿ”’ Signed (DS record present)
NSb.nic.dk โญ
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1785170520localtime Mon Jul 27 18:42:00 2026gmtime Mon Ju...
SOAb.nic.dktech@punktum.dk serial=1785170520

Same first word

Similar names

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.surf-town.netns2.surf-town.netns3.surf-town.netMXcoresupport-dk.mail.protection.outlook.commail19.surftown.dkA91.221.196.226212.97.132.177
โ—NSns01.one.com2026-02-27 โ†’ 2026-07-27 ยท 3 obs
โ—‹ 2017-06-11 16:26:44
โ— 2026-02-27 07:43:22
โ— 2026-07-27 17:24:30
โ—NSns02.one.com2026-02-27 โ†’ 2026-07-27 ยท 3 obs
โ—‹ 2017-06-11 16:26:44
โ— 2026-02-27 07:43:22
โ— 2026-07-27 17:24:30
โ—‹NSns1.surf-town.net2015-05-21 โ†’ 2017-06-11 ยท 4 obs
โ— 2015-05-21 14:38:24
โ— 2017-06-11 16:26:44
โ—‹ 2026-02-27 07:43:22
โ—‹ 2026-07-27 17:24:30
โ—‹NSns2.surf-town.net2015-05-21 โ†’ 2017-06-11 ยท 4 obs
โ— 2015-05-21 14:38:24
โ— 2017-06-11 16:26:44
โ—‹ 2026-02-27 07:43:22
โ—‹ 2026-07-27 17:24:30
โ—‹NSns3.surf-town.net2015-05-21 โ†’ 2017-06-11 ยท 4 obs
โ— 2015-05-21 14:38:24
โ— 2017-06-11 16:26:44
โ—‹ 2026-02-27 07:43:22
โ—‹ 2026-07-27 17:24:30
โ—MXcoresupport-dk.mail.protection.outlook.com2026-02-27 โ†’ 2026-07-27 ยท 3 obs
โ—‹ 2017-06-11 16:26:44
โ— 2026-02-27 07:43:22
โ— 2026-07-27 17:24:30
โ—‹MXmail19.surftown.dk2015-05-21 โ†’ 2017-06-11 ยท 4 obs
โ— 2015-05-21 14:38:24
โ— 2017-06-11 16:26:44
โ—‹ 2026-02-27 07:43:22
โ—‹ 2026-07-27 17:24:30
โ—‹A212.97.132.1772015-05-21 โ†’ 2017-06-11 ยท 4 obs
โ— 2015-05-21 14:38:24
โ— 2017-06-11 16:26:44
โ—‹ 2026-02-27 07:43:22
โ—‹ 2026-07-27 17:24:30
โ—A91.221.196.2262026-02-27 โ†’ 2026-07-27 ยท 3 obs
โ—‹ 2017-06-11 16:26:44
โ— 2026-02-27 07:43:22
โ— 2026-07-27 17:24:30

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...-
coresupport.dkns01.one.com, ns02.one.com-

โœ… Authoritative Response

Server:195.206.121.10

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 884ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A191.221.196.226
NS2ns01.one.com, ns02.one.com
MX1coresupport-dk.mail.protection.outlook.c
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms54917705
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

coresupport.dk directs to one IP number, which is 91.221.196.226.

Among the host names that share IP numbers with coresupport.dk are maps-indoor.com, aarestrups.dk, marssound.dk and two others.

Name Servers

coresupport.dk has two authoritative name servers โ€” ns01.one.com and ns02.one.com.

coresupport.dk has the same name server delegation as a number of other domains, such as the-ec-way.de, claudell.dk, lovegazelle.com and two more.

Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

coresupport.dk routes its mail through a single mail server, coresupport-dk.mail.protection.outlook.com.

coresupport-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.10, 52.101.68.18 and 52.101.73.4, along with 5 other.