holberg-revision.dk

📜 Historical scan 2026-06-26 00:20:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holberg-revision.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 20 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.161.134 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by holbergrevision-dk01i.mail.protection.outlook.com, ms29303188.msv1.invalid.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 135ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 284ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.7.161.134	3600s	—	AS47292	Sentia Denmark A/S	81.7.160.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 248ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holbergrevision-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::d 52.101.73.1 52.101.73.15 52.101.73.22 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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	3600s	ms29303188.msv1.invalid.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 450ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 595ms

TXT Record
MS=ms29303188
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (holberg-revision.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 2026-10-07 21:10:55

www	81.7.161.134 (AS47292) (address records, no CNAME)
www vs bare domain	Same network holberg-revision.dk: 81.7.161.134 (AS47292) www.holberg-revision.dk: 81.7.161.134 (AS47292)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
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#

484ms

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

🏷️ SOA#

185ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-23 03:00:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-04-20
Expires	2028-06-30 (615d)

🔗 Same registrant#

4 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
holbergejendom.dk	Punktum dk A/S (direct)
holbergelservice.dk	Punktum dk A/S (direct)
holbergholding.dk	Punktum dk A/S (direct)
pmholberg.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

135ms

284ms

248ms

AAAA

179ms

TXT

595ms

CAA

179ms

HTTPS

244ms

TLSA

828ms

SOA

185ms

MTA-STS

466ms

DNSSEC

484ms

SRV

450ms

Total

3655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:10:55	1179ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 15:34:00	1163ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 17:38:45	1329ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-17 06:31:29	961ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-28 11:16:59	599ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-26 08:04:40	415ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-09 04:26:09	1444ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-06 05:58:45	672ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-04 22:37:19	3937ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-03 14:21:48	605ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-26 00:20:38 shown	3655ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 17:04:53	989ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:15:48	278ms	0 NS 0 A 0 MX	❓ Unknown