koncepthotel.dk

📜 Historical scan 2026-10-21 11:06:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koncepthotel.dk is a .dk domain served by 2 nameservers (ns1.nsec.dk, ns2.nsec.dk). It was registered on 9 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.95.175 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by koncepthotel-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nsec.dk	2a01:4f8:c0c:8726::1 94.130.173.147	— ns1.nsec.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.nsec.dk	159.69.124.71 2a01:4f8:c010:2c16::1	ns2.nsec.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.95.175	14400s	cp01.nsec.dk	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	koncepthotel-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.103.162 52.101.68.21 52.101.68.25 52.101.91.153	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:252:4110::2	14400s	cp01.nsec.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 361ms

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

📝 TXT Records#

3 records 460ms

TXT Record
j38k9qukh9003pi9tsbrvf0spg
MS=ms39615003
v=spf1 ip4:157.90.95.175 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (koncepthotel.dk)
-all (hard fail)	v=spf1 ip4:157.90.95.175 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.koncepthotel.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:itplan@koncepthotel.dk; adkim=s; aspf=s;

📬 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 2026-10-23 23:03:14

www CNAME	koncepthotel.dk (all on koncepthotel.dk) → 157.90.95.175 2a01:4f8:252:4110::2 (AS24940)
www vs bare domain	Same network koncepthotel.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) www.koncepthotel.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-koncepthotel-dk._domainkey.blaavandshukdanhostel.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.koncepthotel.dk	RB2TCobTQFeF0O6A6if1gOjyJJFDD_giMd5c5mqZ8mA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

225ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

87ms

Field	Value
Serial	2026102102
Primary NS (MNAME)	ns1.nsec.dk
Responsible (RNAME)	michael@nsec.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-19 21:08:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-04-09
Expires	2027-04-30 (187d)

🔗 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#

73ms

87ms

AAAA

83ms

TXT

460ms

CAA

140ms

HTTPS

109ms

TLSA

852ms

SOA

87ms

MTA-STS

207ms

DNSSEC

225ms

SRV

361ms

Total

3097ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 23:03:14	1386ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-21 11:06:38 shown	3097ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-19 20:51:03	1458ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-18 20:29:45	1556ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-17 20:04:45	1977ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-16 19:49:25	999ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-15 19:42:33	1346ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-14 18:33:53	1472ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-13 17:51:58	3714ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-12 17:14:17	1233ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-11 15:16:34	1605ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-10 15:00:23	1757ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 05:36:43	1347ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 05:32:32	1944ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 05:19:10	2942ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-06 04:40:35	1307ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-05 04:36:14	2803ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-04 04:15:40	1866ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 04:11:51	2556ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 04:07:19	1457ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 03:57:02	1638ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 05:20:48	1186ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 05:08:31	1045ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 04:58:58	1232ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 04:39:29	2092ms	2 NS 1 A 1 MX	🔓 Insecure