hdcopenhagen.dk

Records from scan: 2026-10-13 19:15:28 · 363ms total · last checked 2026-10-16 23:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hdcopenhagen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.99 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 27ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.99	600s	linux7.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-13 19:15:28

www	185.21.40.99 (AS48854) (address records, no CNAME)
www vs bare domain	Same network hdcopenhagen.dk: 185.21.40.99 (AS48854) www.hdcopenhagen.dk: 185.21.40.99 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

50ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026101301
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 2026-10-09 11:26:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-12-28
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

30ms

26ms

AAAA

28ms

TXT

130ms

CAA

29ms

HTTPS

31ms

TLSA

37ms

SOA

48ms

MTA-STS

39ms

DNSSEC

50ms

SRV

47ms

Total

363ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 19:15:28 shown	363ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 05:51:57	785ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-26 23:47:40	743ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-13 08:00:43	6433ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 06:16:44	8595ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 11:07:29	1080ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 11:05:33	1414ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 11:01:37	1002ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 10:58:32	843ms	2 NS 1 A 4 MX	🔒 Secure