hctb.dk

📜 Historical scan 2026-10-07 12:21:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hctb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.33.195 is hosted by Lyse Tele (AS29695) in Denmark. Mail is handled by hctb-dk.mail.protection.outlook.com, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no 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 128ms

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 126ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.228.33.195	600s	188.228.33.195.dynamic.altibox.net	AS29695	Lyse Tele	188.228.32.0/20	🇩🇰 Denmark	Give

📧 MX Records#

2 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	hctb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca21::10 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 52.101.68.10 52.101.68.29 52.101.73.145 52.101.73.155	mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.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
20	43200s	backup-mx.post.tele.dk	80.160.77.99	backup-mx1.post.tele.dk	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 251ms

TXT Record
MS=ms49221713
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 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#

latest probe, not this scan · checked 2026-10-09 14:27:31

www	188.228.33.195 (AS214875) (address records, no CNAME)
www vs bare domain	Same network hctb.dk: 188.228.33.195 (AS214875) www.hctb.dk: 188.228.33.195 (AS214875)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

235ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2026100601
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 2026-10-19 06:44:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-03-01
Expires	2027-03-31 (161d)

🔗 Same registrant#

1 domain

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
hbdata.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

128ms

126ms

82ms

AAAA

91ms

TXT

251ms

CAA

115ms

HTTPS

105ms

TLSA

453ms

SOA

60ms

MTA-STS

147ms

DNSSEC

235ms

SRV

144ms

Total

1624ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:27:31	1684ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-08 01:25:20	3321ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-07 12:21:18 shown	1624ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-27 06:15:42	4791ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 23:37:44	953ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-08 23:25:44	1631ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-08 02:43:24	9251ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-15 02:20:25	7386ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-09 05:33:31	2168ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-03 21:04:30	2606ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-02 10:47:21	2033ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 21:54:29	1000ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:07:53	1071ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:07:29	627ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:02:39	1535ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 10:59:38	1086ms	2 NS 1 A 2 MX	🔒 Secure