clausr.dk

📜 Historical scan 2026-10-07 11:21:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clausr.dk is a .dk domain served by 2 nameservers (andronicus.ns.cloudflare.com, liz.ns.cloudflare.com). It was registered on 1 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.137 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
andronicus.ns.cloudflare.com	108.162.195.113 162.159.44.113 172.64.35.113 2606:4700:58::a29f:2c71 2803:f800:50::6ca2:c371 2a06:98c1:50::ac40:2371	andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liz.ns.cloudflare.com	108.162.192.189 172.64.32.189 173.245.58.189 2606:4700:50::adf5:3abd 2803:f800:50::6ca2:c0bd 2a06:98c1:50::ac40:20bd	liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.137	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166 185.230.214.166 185.230.214.166 185.230.214.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	300s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	300s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.80.137
🔶 Autoconfig	172.67.183.128

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b780	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5089	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.137,172.67.183.128 ech=AEX+DQBBAQAgACCLYruQc4szTp6KHf62XWgIWElK3JHwXTKgn0dvGwzjDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b780,2606:4700:3034::6815:5089

📝 TXT Records#

2 records 207ms

TXT Record
v=spf1 include:zoho.eu ip4:93.165.45.137 include:nuccimx.clausr.dk ~all
zoho-verification=zb67750885.zmverify.zoho.eu

✉️ SPF#

Policy	Record (clausr.dk)
~all (soft fail)	v=spf1 include:zoho.eu ip4:93.165.45.137 include:nuccimx.clausr.dk ~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 2026-10-22 07:23:05

www	104.21.80.137 172.67.183.128 2606:4700:3032::ac43:b780 2606:4700:3034::6815:5089 (AS13335) (address records, no CNAME)
www vs bare domain	Same network clausr.dk: 104.21.80.137 172.67.183.128 2606:4700:3032::ac43:b780 2606:4700:3034::6815:5089 (AS13335) www.clausr.dk: 104.21.80.137 172.67.183.128 2606:4700:3032::ac43:b780 2606:4700:3034::6815:5089 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

error include:nuccimx.clausr.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2416776090
Primary NS (MNAME)	andronicus.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 01:23:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-01
Expires	2028-11-30 (769d)

🔗 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#

36ms

39ms

45ms

AAAA

42ms

TXT

207ms

CAA

45ms

HTTPS

44ms

TLSA

203ms

SOA

40ms

MTA-STS

52ms

DNSSEC

113ms

SRV

63ms

Total

1461ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 07:23:05	1092ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-13 01:00:29	827ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-07 11:21:51 shown	1461ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-06 09:23:57	2402ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-03 07:03:29	925ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 06:38:18	1219ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-27 05:41:16	1650ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-22 23:06:58	1176ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-19 22:04:11	1665ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-08 16:27:16	1787ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-29 03:08:14	1035ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-28 01:08:02	1097ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-16 06:16:00	1359ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 06:20:08	10099ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-07 02:15:47	2037ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-31 23:24:37	1666ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-20 22:50:26	1575ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-06 14:03:40	1382ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-03 12:38:27	1790ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-28 15:09:49	1033ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 21:11:10	760ms	2 NS 2 A 3 MX	🔓 Insecure