klausthorup.dk

📜 Historical scan 2026-08-27 22:09:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klausthorup.dk is a .dk domain served by 2 nameservers (gwen.ns.cloudflare.com, nile.ns.cloudflare.com). It was registered on 10 March 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.51 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
gwen.ns.cloudflare.com	108.162.192.160 172.64.32.160 173.245.58.160 2606:4700:50::adf5:3aa0 2803:f800:50::6ca2:c0a0 2a06:98c1:50::ac40:20a0	gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nile.ns.cloudflare.com	108.162.193.214 172.64.33.214 173.245.59.214 2606:4700:58::adf5:3bd6 2803:f800:50::6ca2:c1d6 2a06:98c1:50::ac40:21d6	nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.94.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.209	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.94.51
🔶 Autoconfig	104.21.94.51

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:dbd1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5e33	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.94.51,172.67.219.209 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:dbd1,2606:4700:3034::6815:5e33

🔌 SRV Records#

1 records 50ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records#

4 records 150ms

TXT Record
google-site-verification=OsvujRrSvmbfJZ0ktFttPDO1T-mGp4uWHJ2g3rm5910
krystal-domain-verification
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

Policy	Record (klausthorup.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

Policy	Record (_dmarc.klausthorup.dk)
p=reject	v=DMARC1; p=reject;

📬 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 10:52:01

www	104.21.94.51 172.67.219.209 2606:4700:3031::ac43:dbd1 2606:4700:3034::6815:5e33 (AS13335) (address records, no CNAME)
www vs bare domain	Same network klausthorup.dk: 104.21.94.51 172.67.219.209 2606:4700:3031::ac43:dbd1 2606:4700:3034::6815:5e33 (AS13335) www.klausthorup.dk: 104.21.94.51 172.67.219.209 2606:4700:3031::ac43:dbd1 2606:4700:3034::6815:5e33 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413162840
Primary NS (MNAME)	gwen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 04:51:19

Field	Value
Registrar	GIGAHOST ApS
Registered	2015-03-10
Expires	2027-03-31 (156d)

🔗 Same registrant#

5 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
jetsetters.dk	Punktum dk A/S (direct)
køberlisten.dk	Punktum dk A/S (direct)
rejseradar.dk	Punktum dk A/S (direct)
sitebuilding.dk	Punktum dk A/S (direct)
thorupmyhre.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

30ms

32ms

AAAA

37ms

TXT

150ms

CAA

22ms

HTTPS

26ms

TLSA

55ms

SOA

0ms

MTA-STS

51ms

DNSSEC

100ms

SRV

50ms

Total

621ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 10:52:01	700ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 22:27:47	1092ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-28 05:50:45	1071ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-11 22:04:42	2248ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 22:09:46 shown	621ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 21:12:35	896ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-26 12:44:46	2462ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-25 04:25:39	1040ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-20 23:55:32	5641ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-14 12:18:36	1352ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-07 08:48:16	1687ms	5 NS 1 A 3 MX	🔓 Insecure
2026-08-04 20:21:15	2265ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-24 14:03:07	8848ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-23 10:21:47	9992ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-17 02:01:15	1971ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-11 06:03:13	10132ms	5 NS 1 A 3 MX	🔓 Insecure
2026-07-03 14:54:06	3210ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-26 23:37:12	1952ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-24 01:28:16	2240ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-23 01:47:31	936ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 09:00:53	2358ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-21 06:04:09	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 08:47:46	3737ms	5 NS 1 A 3 MX	🔓 Insecure
2026-06-17 19:44:23	1208ms	5 NS 1 A 3 MX	🔓 Insecure