karstenthomsengruppe.dk

📜 Historical scan 2026-06-24 14:24:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

karstenthomsengruppe.dk is a .dk domain served by 2 nameservers (jewel.ns.cloudflare.com, tanner.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.11 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route3.mx.cloudflare.net and 1 more. 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 494ms

Nameserver	IP addresses	PTR	ASN / ISP
jewel.ns.cloudflare.com	108.162.194.171 162.159.38.171 172.64.34.171 2606:4700:50::a29f:26ab 2803:f800:50::6ca2:c2ab 2a06:98c1:50::ac40:22ab	jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tanner.ns.cloudflare.com	108.162.195.97 162.159.44.97 172.64.35.97 2606:4700:58::a29f:2c61 2803:f800:50::6ca2:c361 2a06:98c1:50::ac40:2361	tanner.ns.cloudflare.com tanner.ns.cloudflare.com tanner.ns.cloudflare.com tanner.ns.cloudflare.com tanner.ns.cloudflare.com tanner.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 447ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.11	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.146	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 225ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
42	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
91	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.80.11
🔶 Autoconfig	172.67.172.146

🔷 AAAA Records (IPv6)#

2 records 215ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:ac92	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:500b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 235ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.11,172.67.172.146 ech=AEX+DQBBYwAgACAjexajrns7TOzPx3/65oQd84RBL/t6pEGf6jGIUj/CcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ac92,2606:4700:3034::6815:500b

📝 TXT Records#

1 records 426ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (karstenthomsengruppe.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.karstenthomsengruppe.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:fdab6f7e567d4eaf9a56bded1af2d41d@dmarc-reports.cloudflare.net;

📬 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 2026-10-08 23:57:15

www	104.21.80.11 172.67.172.146 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network karstenthomsengruppe.dk: 104.21.80.11 172.67.172.146 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.karstenthomsengruppe.dk: 104.21.80.11 172.67.172.146 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 395ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

350ms

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

🏷️ SOA#

191ms

Field	Value
Serial	2405994629
Primary NS (MNAME)	jewel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

494ms

447ms

225ms

AAAA

215ms

TXT

426ms

CAA

203ms

HTTPS

235ms

TLSA

395ms

SOA

191ms

MTA-STS

210ms

DNSSEC

350ms

SRV

254ms

Total

2909ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:14:50	683ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 19:32:26	1271ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-08 08:20:47	2428ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 22:55:41	1122ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-25 21:25:38	1970ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-06 22:58:12	1932ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-08 14:43:04	9936ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-24 14:24:25 shown	2909ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-23 10:36:53	1202ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 21:50:17	4448ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 23:10:46	904ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:21:28	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 23:18:30	1210ms	2 NS 2 A 3 MX	🔓 Insecure