systemkob.dk

📜 Historical scan 2026-06-17 13:46:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systemkob.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 30 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.22.75.12 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by systemkob-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 115ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.22.75.12	—	—	AS3292	TDC Holding A/S	176.22.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	systemkob-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 52.101.68.16 52.101.68.21 52.101.68.25 52.101.73.30	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 691ms

TXT Record
v=spf1 +include:_spf21790.spfprotect.com +include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (systemkob.dk)
-all (hard fail)	v=spf1 +include:_spf21790.spfprotect.com +include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.systemkob.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65323a8aa6f4a@dmarc.centerasecurity.com;

📬 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 2026-10-10 20:42:32

www	176.22.75.12 (AS3292) (address records, no CNAME)
www vs bare domain	Same network systemkob.dk: 176.22.75.12 (AS3292) www.systemkob.dk: 176.22.75.12 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-systemkob-dk._domainkey.eurocater.onmicrosoft.com	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

401ms

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

🏷️ SOA#

111ms

Field	Value
Serial	2026061001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-21 20:58:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-08-30
Expires	2027-08-31 (312d)

🔗 Same registrant#

22 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
abaa.dk	Punktum dk A/S (direct)
abaarhus.dk	Punktum dk A/S (direct)
abegaa.dk	Punktum dk A/S (direct)
abribe.dk	Punktum dk A/S (direct)
bcch.dk	Punktum dk A/S (direct)
bcco.dk	Punktum dk A/S (direct)
bccs.dk	Punktum dk A/S (direct)
cater.dk	Punktum dk A/S (direct)
caterbilag.dk	Punktum dk A/S (direct)
caterbot.dk	Punktum dk A/S (direct)
caterflex.dk	Punktum dk A/S (direct)
cateringgroent.dk	Punktum dk A/S (direct)
cateringmessemidt.dk	Punktum dk A/S (direct)
cateringmesseoest.dk	Punktum dk A/S (direct)
cateringmessethy.dk	Punktum dk A/S (direct)
cateringmesseøst.dk	Punktum dk A/S (direct)
caterpos.dk	Punktum dk A/S (direct)
catershare.dk	Punktum dk A/S (direct)
catertool.dk	Punktum dk A/S (direct)
incoglo.dk	Punktum dk A/S (direct)
jyskcater.dk	Punktum dk A/S (direct)
systemkøb.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

115ms

111ms

114ms

AAAA

140ms

TXT

691ms

CAA

107ms

HTTPS

109ms

TLSA

250ms

SOA

111ms

MTA-STS

333ms

DNSSEC

401ms

SRV

0ms

Total

2842ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 14:12:59	2170ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 11:17:07	766ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 03:58:23	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 00:40:13	912ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 03:47:28	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:57:49	2160ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 19:18:01	3446ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 08:10:18	1194ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:46:08 shown	2842ms	2 NS 1 A 1 MX	🔒 Secure