cdkom.dk

📜 Historical scan 2026-09-23 21:46:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cdkom.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.251 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by cdkom-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 37ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.251	3600s	vps2.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cdkom-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 52.101.103.143 52.101.181.156 52.101.68.8 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 71ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 173ms

TXT Record
MS=ms30689956
v=spf1 include:spf.protection.outlook.com include:spf.hosit.dk ip4:139.112.164.40 ip4:139.112.164.41 -all

✉️ SPF#

Policy	Record (cdkom.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.hosit.dk ip4:139.112.164.40 ip4:139.112.164.41 -all

📨 DMARC#

Policy	Record (_dmarc.cdkom.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-09 18:30:01

www CNAME	cdkom.dk (all on cdkom.dk) → 185.130.190.66 (AS210939)
www vs bare domain	Same network cdkom.dk: 185.130.190.66 (AS210939) www.cdkom.dk: 185.130.190.66 (AS210939)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

73ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090301
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 2026-10-05 00:43:23

Field	Value
Registrar	ONE.COM A/S
Registered	2007-05-16
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

42ms

37ms

AAAA

37ms

TXT

173ms

CAA

39ms

HTTPS

41ms

TLSA

601ms

SOA

0ms

MTA-STS

68ms

DNSSEC

73ms

SRV

71ms

Total

1106ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:30:01	1966ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 17:01:33	995ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 00:25:20	1151ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 00:08:18	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 21:46:21 shown	1106ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 19:48:53	1225ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 06:58:52	1364ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 06:56:10	7127ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 16:16:31	1676ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 04:57:17	1147ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 21:18:30	796ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:56:26	2595ms	2 NS 1 A 1 MX	🔒 Secure