clarus.dk

Records from scan: 2026-10-21 22:17:00 · 1741ms total · last checked 2026-10-24 21:00 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clarus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.254.60 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by clarus-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.254.60	600s	static.60.254.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	clarus-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:c967::c 2a01:111:f403:ca04::e 2a01:111:f403:ca21::c 52.101.103.36 52.101.68.15 52.101.68.8 52.101.91.21	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records 25ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c015:d94::1	3600s	—	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 1162ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 146ms

TXT Record
dropbox-domain-verification=19u4lgswv4oe
MS=ms21515853
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org -all
v=spf1 ip4:10.3.3.238 include:spf.protection.outlook.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (clarus.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org -all
~all (soft fail)	v=spf1 ip4:10.3.3.238 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.clarus.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:yrcdl6js@ag.dmarcian.com; ruf=mailto:yrcdl6js@fr.dmarcian.com; sp=reject; aspf=s; adkim=s; ri=86400

📬 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#

checked 2026-10-21 22:17:00

www CNAME	clarus.dk (all on clarus.dk) → 167.235.254.60 2a01:4f8:c015:d94::1 (AS24940)
www vs bare domain	Same network clarus.dk: 167.235.254.60 2a01:4f8:c015:d94::1 (AS24940) www.clarus.dk: 167.235.254.60 2a01:4f8:c015:d94::1 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	—	RSA · ~1024 bit below 2048 bit
selector2	selector2-clarus-dk._domainkey.claruscompanypartnersaps.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: 7/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.clarus.dk	_Vz1S_Ng5NYenKRxoWi1Y1svbFzy75i8QFdENCF4s8Q

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1226ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

40ms

Field	Value
Serial	2026102101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-21 19:42:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-11-17
Expires	2026-11-30 (36d)

🔗 Same registrant#

6 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
appleid.dk	Punktum dk A/S (direct)
clarusit.dk	ONE.COM A/S
henneke.dk	Punktum dk A/S (direct)
lml.dk	Punktum dk A/S (direct)
nielsen-aps.dk	Punktum dk A/S (direct)
tinyhouseliving.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

31ms

33ms

AAAA

25ms

TXT

146ms

CAA

26ms

HTTPS

23ms

TLSA

147ms

SOA

40ms

MTA-STS

33ms

DNSSEC

1226ms

SRV

1162ms

Total

1741ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 22:17:00 shown	1741ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-21 19:31:09	646ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 20:54:44	1436ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 15:25:35	2785ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 15:08:11	996ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:26:26	1790ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 20:34:56	1346ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 01:06:16	5382ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 12:20:35	5787ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 20:13:14	1548ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 12:35:53	3028ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:22:18	1213ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 21:23:57	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 15:30:42	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 16:12:50	1018ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 22:56:21	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:05:00	2784ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:05:55	739ms	2 NS 1 A 1 MX	🔒 Secure