klinikholmberg.dk

📜 Historical scan 2026-09-27 08:35:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klinikholmberg.dk is a .dk domain served by 2 nameservers (ruben.ns.cloudflare.com, selah.ns.cloudflare.com). It was registered on 4 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.101 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by klinikholmberg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ruben.ns.cloudflare.com	108.162.195.71 162.159.44.71 172.64.35.71 2606:4700:58::a29f:2c47 2803:f800:50::6ca2:c347 2a06:98c1:50::ac40:2347	ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
selah.ns.cloudflare.com	108.162.194.21 162.159.38.21 172.64.34.21 2606:4700:50::a29f:2615 2803:f800:50::6ca2:c215 2a06:98c1:50::ac40:2215	selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.101	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.45	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 12ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	klinikholmberg-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca21::c 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::a 52.101.181.153 52.101.68.25 52.101.73.153 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr05cu00401.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

🔷 AAAA Records (IPv6)#

2 records 13ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1665	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3031::ac43:cc2d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.101,172.67.204.45 ech=AEX+DQBBBAAgACD75WZog6lm1LyIkEeBN8bxpn0B7thNjJCksJ3qjXbmaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cc2d,2606:4700:3034::6815:1665

📝 TXT Records#

1 records 35ms

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

✉️ SPF#

Policy	Record (klinikholmberg.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 15:35:14

www	104.21.22.101 172.67.204.45 2606:4700:3031::ac43:cc2d 2606:4700:3034::6815:1665 (AS13335) (address records, no CNAME)
www vs bare domain	Same network klinikholmberg.dk: 104.21.22.101 172.67.204.45 2606:4700:3031::ac43:cc2d 2606:4700:3034::6815:1665 (AS13335) www.klinikholmberg.dk: 104.21.22.101 172.67.204.45 2606:4700:3031::ac43:cc2d 2606:4700:3034::6815:1665 (AS13335)
Wildcard	No

🔎 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#

129ms

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

🏷️ SOA#

6ms

Field	Value
Serial	2415758345
Primary NS (MNAME)	ruben.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 16:00:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-05-04
Expires	2027-05-31 (221d)

🔗 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
holmbergtand.dk	Simply.com A/S
holmbergtandlaegerne.dk	Simply.com A/S
holmbergtandlægerne.dk	Simply.com A/S
stegetand.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

48ms

28ms

12ms

AAAA

13ms

TXT

35ms

CAA

13ms

HTTPS

31ms

TLSA

183ms

SOA

6ms

MTA-STS

8ms

DNSSEC

129ms

SRV

0ms

Total

65535ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 15:35:14	1873ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 19:57:59	1096ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 16:36:51	969ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 08:35:13 shown	65535ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 15:35:45	3959ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 15:05:57	1603ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 04:50:10	1221ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 18:40:18	10513ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 10:07:41	1569ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 16:45:15	3221ms	2 NS 2 A 1 MX	🔓 Insecure