holtumgroup.dk

Records from scan: 2026-09-30 07:23:48 · 2192ms total · last checked 2026-10-21 14:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtumgroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by holtumgroup-com.mail.protection.outlook.com. 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 98ms

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#

🌍

No A records found

📧 MX Records#

1 records 112ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holtumgroup-com.mail.protection.outlook.com	2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.185.21 52.101.68.27 52.101.73.153 52.101.91.21	mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.152
🔶 Autoconfig	195.47.247.18

🔷 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 19:04:49

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves holtumgroup.dk: no address www.holtumgroup.dk: 195.47.247.18 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

240ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

85ms

Field	Value
Serial	2026092901
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 2026-10-22 07:50:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-12
Expires	2028-01-31 (465d)

🔗 Same registrant#

2 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
arkiv7160.dk	Punktum dk A/S (direct)
holtumvideo.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

98ms

133ms

112ms

AAAA

88ms

TXT

464ms

CAA

106ms

HTTPS

79ms

TLSA

594ms

SOA

85ms

MTA-STS

211ms

DNSSEC

240ms

SRV

395ms

Total

2192ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:23:48 shown	2192ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-27 06:31:00	1308ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 13:39:12	918ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-30 12:27:10	1698ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-03 03:07:51	890ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-23 03:43:55	2204ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-28 18:00:38	901ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 21:39:06	1986ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-22 13:41:10	1823ms	2 NS 0 A 1 MX	⚠️ Bogus
2026-06-17 14:24:26	2356ms	2 NS 0 A 1 MX	🔒 Secure