rexkoel.dk

📜 Historical scan 2026-09-29 10:38:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rexkoel.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.97.141.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rexkoel-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.97.141.28	3600s	web05.webtohosting.dk	AS48854	team.blue Denmark A/S	212.97.140.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rexkoel-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::10 2a01:111:f403:ca21::a 2a01:111:f403:ca48::8 52.101.103.143 52.101.68.10 52.101.73.153 52.101.91.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 160ms

TXT Record
MS=ms32786334
v=spf1 a include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rexkoel.dk)
-all (hard fail)	v=spf1 a include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 00:53:01

www	212.97.141.28 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rexkoel.dk: 212.97.141.28 (AS48854) www.rexkoel.dk: 212.97.141.28 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

105ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026092901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-18 23:15:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-12-14
Expires	2026-12-31 (73d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
lfvvs.dk	Punktum dk A/S (direct)
rexkoeleinventar.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

38ms

31ms

AAAA

37ms

TXT

160ms

CAA

50ms

HTTPS

38ms

TLSA

587ms

SOA

0ms

MTA-STS

48ms

DNSSEC

105ms

SRV

57ms

Total

1205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:41:58	1193ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:00:06	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:45:25	1290ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 10:38:37 shown	1205ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 10:17:32	685ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 20:11:58	1634ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 08:50:11	1080ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-07 14:57:25	2820ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 05:52:02	9467ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 17:05:31	695ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 05:24:55	1069ms	2 NS 1 A 1 MX	🔓 Insecure