hc.dk

Records from scan: 2026-10-12 20:55:50 · 966ms total · last checked 2026-10-18 02:19 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.249.10.17 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by hc-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.249.10.17	3600s	—	AS39642	Sinal A/S	89.249.0.0/20	🇩🇰 Denmark	Silkeborg

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	hc-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::c 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::8 52.101.68.25 52.101.68.29 52.101.73.126 52.101.73.155	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 164ms

TXT Record
google-site-verification=3CdCMjhkHSuoys6Nx-TU284ISuasDx2uhJpOUvkMrt8
MS=ms73642068
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (hc.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.hc.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:aln@hc.dk; ruf=mailto:aln@hchgruppen.dk; fo=1; 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#

checked 2026-10-12 20:55:50

www	89.249.10.17 (AS39642) (address records, no CNAME)
www vs bare domain	Same network hc.dk: 89.249.10.17 (AS39642) www.hc.dk: 89.249.10.17 (AS39642)
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
mail	—	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026101101
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 2026-10-12 21:12:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-10-02
Expires	2027-12-31 (439d)

🔗 Same registrant#

7 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
eventgrossisten.dk	Punktum dk A/S (direct)
greenway-nordic.dk	Punktum dk A/S (direct)
greenway-nordicdk.dk	Punktum dk A/S (direct)
halkaervin.dk	Punktum dk A/S (direct)
hchgruppen.dk	Punktum dk A/S (direct)
hchsalg.dk	Punktum dk A/S (direct)
lcl.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

33ms

32ms

AAAA

45ms

TXT

164ms

CAA

45ms

HTTPS

34ms

TLSA

601ms

SOA

32ms

MTA-STS

56ms

DNSSEC

51ms

SRV

61ms

Total

966ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:55:50 shown	966ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 06:44:25	3110ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 07:15:48	946ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 21:32:10	5155ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 07:43:05	1807ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 16:34:01	1823ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 09:51:49	1760ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 21:48:15	2648ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:33:41	758ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-20 19:11:35	1299ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 18:12:57	925ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:06:46	812ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:00:37	1283ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:54:27	1670ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:53:39	1092ms	2 NS 1 A 1 MX	🔒 Secure