systemkoeb.dk

Records from scan: 2026-10-07 20:18:27 · 483ms total · last checked 2026-10-21 20:57 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systemkoeb.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. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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
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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.22.75.12	3600s	—	AS3292	TDC Holding A/S	176.22.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 127ms

TXT Record
v=spf1 +include:_spf26680.spfprotect.com -all

✉️ SPF#

Policy	Record (systemkoeb.dk)
-all (hard fail)	v=spf1 +include:_spf26680.spfprotect.com -all

📨 DMARC#

Policy	Record (_dmarc.systemkoeb.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#

checked 2026-10-07 20:18:27

www	176.22.75.12 (AS3292) (address records, no CNAME)
www vs bare domain	Same network systemkoeb.dk: 176.22.75.12 (AS3292) www.systemkoeb.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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

27ms

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 2026-10-10 23:29:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-08-30
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

36ms

29ms

AAAA

24ms

TXT

127ms

CAA

31ms

HTTPS

33ms

TLSA

232ms

SOA

27ms

MTA-STS

37ms

DNSSEC

55ms

SRV

48ms

Total

483ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 20:18:27 shown	483ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 20:17:52	385ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-06 06:48:07	414ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 13:40:55	3266ms	2 NS 1 A 0 MX	🔒 Secure