rexkoel.dk

📜 Historical scan 2026-09-23 20:11:58 · ← 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 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 28ms

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 36ms

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 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rexkoel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca21::a 2a01:111:f403:ca48::8 52.101.181.153 52.101.209.153 52.101.68.25 52.101.73.153	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.149.136
🔶 Autoconfig	46.30.215.115

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 152ms

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#

114ms

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	2026092104
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

36ms

43ms

AAAA

36ms

TXT

152ms

CAA

28ms

HTTPS

33ms

TLSA

649ms

SOA

0ms

MTA-STS

44ms

DNSSEC

114ms

SRV

534ms

Total

1634ms

🕐 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	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 shown	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