holum.dk

📜 Historical scan 2026-09-15 12:38:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.168.70 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by holum-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.7.168.70	43200s	thor.web-solutions.dk	AS47292	Sentia Denmark A/S	81.7.168.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	holum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca09::a 2a01:111:f403:ca21::e 52.101.103.39 52.101.181.156 52.101.68.27 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 127ms

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

✉️ SPF#

Policy	Record (holum.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 2026-10-19 10:05:19

www	81.7.168.70 (AS47292) (address records, no CNAME)
www vs bare domain	Same network holum.dk: 81.7.168.70 (AS47292) www.holum.dk: 81.7.168.70 (AS47292)
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#

116ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091301
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 2026-10-15 01:50:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-08
Expires	2027-06-30 (253d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

33ms

40ms

AAAA

31ms

TXT

127ms

CAA

29ms

HTTPS

27ms

TLSA

344ms

SOA

0ms

MTA-STS

51ms

DNSSEC

116ms

SRV

75ms

Total

956ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 10:05:19	2157ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 09:34:08	1105ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 01:40:55	2369ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:32:31	724ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:05:22	816ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 12:38:45 shown	956ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 23:05:41	17140ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 22:23:30	6862ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 18:10:07	1065ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:40:04	1353ms	2 NS 1 A 1 MX	🔒 Secure