holbergfenger.dk

Records from scan: 2026-09-25 07:00:28 · 1066ms total · last checked 2026-10-17 01:43 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holbergfenger.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 2 July 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by holbergfenger-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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.247	300s	vps3.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holbergfenger-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca38::a 2a01:111:f403:ca48::c 52.101.103.140 52.101.103.162 52.101.103.36 52.101.209.153	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 135ms

TXT Record
H0O0L63162
ms=ms31042198
P-7zRY94qu8V
tJKRrZPiRdtf4NIh3Nek0554tt+Fkb2KymxpStNkHv0QdaTNumil59LfsrbnfYr5PRtavbA9x3DKHJ8OmccYoQ==
v=spf1 ip4:212.98.81.102 ip4:185.157.17.23 include:spf.zentura.dk include:spf.permido.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (holbergfenger.dk)
-all (hard fail)	v=spf1 ip4:212.98.81.102 ip4:185.157.17.23 include:spf.zentura.dk include:spf.permido.com 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#

checked 2026-10-08 11:53:38

www	93.191.158.40 (AS48854) (address records, no CNAME)
www vs bare domain	Different networks holbergfenger.dk: 178.20.217.247 (AS21060) www.holbergfenger.dk: 93.191.158.40 (AS48854) (all like this)
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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2022102703
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 14:10:48

Field	Value
Registrar	DANDOMAIN A/S
Registered	2013-07-02
Expires	2027-07-31 (287d)

🔗 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
guldborgsund-centret.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

44ms

34ms

45ms

AAAA

37ms

TXT

135ms

CAA

38ms

HTTPS

32ms

TLSA

580ms

SOA

0ms

MTA-STS

47ms

DNSSEC

80ms

SRV

48ms

Total

1066ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 07:00:28 shown	1066ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 11:24:15	823ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 04:27:42	723ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 12:42:07	1769ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:11:50	274ms	0 NS 0 A 0 MX	❓ Unknown