holtec.dk

Records from scan: 2026-10-13 11:22:52 · 739ms total · last checked 2026-10-16 18:04 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtec.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.46.10.53 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by holtec-dk.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 29ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.10.53	3600s	dedi1853.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	holtec-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca21::8 2a01:111:f403:ca21::c 2a01:111:f403:ca48::e 52.101.103.137 52.101.209.28 52.101.68.27 52.101.91.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 67ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 145ms

TXT Record
_globalsign-domain-verification=OS3Pe0nvv2Femb6wbipx20logC4GXSarROxm6J8Q34
MS=ms18630889
v=spf1 mx ip4:178.132.236.124 ip4:89.184.153.86 ip4:89.239.198.126 ip4:37.128.222.246 ip4:152.115.131.194 ip4:185.235.208.27 ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.dk include:spf.EU.exclaimer.net -all
vpe=283c09b8

✉️ SPF#

Policy	Record (holtec.dk)
-all (hard fail)	v=spf1 mx ip4:178.132.236.124 ip4:89.184.153.86 ip4:89.239.198.126 ip4:37.128.222.246 ip4:152.115.131.194 ip4:185.235.208.27 ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.dk include:spf.EU.exclaimer.net -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#

checked 2026-10-13 11:22:52

www CNAME	holtec.dk (all on holtec.dk) → 78.46.10.53 (AS24940)
www vs bare domain	Same network holtec.dk: 78.46.10.53 (AS24940) www.holtec.dk: 78.46.10.53 (AS24940)
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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026101201
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 2026-10-13 11:40:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-16
Expires	2027-03-31 (164d)

🔗 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
holtecdata.dk	Punktum dk A/S (direct)
hs-tec.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

26ms

40ms

AAAA

33ms

TXT

145ms

CAA

37ms

HTTPS

30ms

TLSA

339ms

SOA

47ms

MTA-STS

51ms

DNSSEC

65ms

SRV

67ms

Total

739ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:22:52 shown	739ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 00:21:53	1281ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 23:06:43	1559ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 22:58:53	4370ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 04:40:52	1368ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 22:09:45	1385ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 17:52:21	1779ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:13:28	826ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 13:41:36	2510ms	2 NS 1 A 1 MX	🔒 Secure