hollensen.dk

📜 Historical scan 2026-06-21 12:02:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hollensen.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 18 March 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hollensen-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 300ms

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 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	300s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 340ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	hollensen-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca09::2 52.101.68.12 52.101.68.25 52.101.73.1 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.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
🔶 Autoconfig	93.191.155.240

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 541ms

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

✉️ SPF#

Policy	Record (hollensen.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 2026-10-14 06:25:29

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network hollensen.dk: 93.191.155.240 (AS48854) www.hollensen.dk: 93.191.155.240 (AS48854)
Wildcard	Yes: any name under the zone resolves
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#

483ms

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

🏷️ SOA#

315ms

Field	Value
Serial	2023061501
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 07:05:27

Field	Value
Registrar	DANDOMAIN A/S
Registered	2016-03-18
Expires	2027-03-31 (160d)

🔗 Same registrant#

34 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
appteam.dk	Punktum dk A/S (direct)
assentoftforsyning.dk	DANDOMAIN A/S
discount-traepiller.dk	Punktum dk A/S (direct)
dit-el-net.dk	DANDOMAIN A/S
driftsjournalen.dk	DANDOMAIN A/S
dusmedenergien.dk	Punktum dk A/S (direct)
el-net.dk	DANDOMAIN A/S
energihilleroed.dk	DANDOMAIN A/S
energihobro.dk	Punktum dk A/S (direct)
energiovervaagning.dk	DANDOMAIN A/S
energiquiz.dk	Punktum dk A/S (direct)
energiranders.dk	Punktum dk A/S (direct)
flexheat.dk	Punktum dk A/S (direct)
greenii.dk	Punktum dk A/S (direct)
meh.dk	DANDOMAIN A/S
mindreenergi.dk	Punktum dk A/S (direct)
nordiskvarme.dk	DANDOMAIN A/S
securiplus.dk	DANDOMAIN A/S
skovby-el.dk	DANDOMAIN A/S
skovbyel.dk	DANDOMAIN A/S
traepille-klubben.dk	DANDOMAIN A/S
varmekompagniet.dk	DANDOMAIN A/S
varmenorden.dk	DANDOMAIN A/S
verbo.dk	Punktum dk A/S (direct)
verdo.dk	DANDOMAIN A/S
verdoberedskab.dk	DANDOMAIN A/S
verdoenergy.dk	DANDOMAIN A/S
verdoenergysystem.dk	DANDOMAIN A/S
verdoenergysystems.dk	DANDOMAIN A/S
verdogf.dk	Punktum dk A/S (direct)
verdorenewables.dk	DANDOMAIN A/S
verdotrading.dk	DANDOMAIN A/S
verdovalg.dk	DANDOMAIN A/S
viborgkøleteknik.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

300ms

168ms

340ms

AAAA

345ms

TXT

541ms

CAA

203ms

HTTPS

183ms

TLSA

258ms

SOA

315ms

MTA-STS

338ms

DNSSEC

483ms

SRV

382ms

Total

2247ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-26 02:49:31	1303ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 00:18:53	588ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 12:02:01 shown	2247ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:53:50	2786ms	2 NS 1 A 1 MX	🔒 Secure