brdr-clausen.dk

📜 Historical scan 2026-09-13 05:09:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

brdr-clausen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 26 July 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.35 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by brdrclausen-dk01b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.35	3600s	linux36.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	brdrclausen-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 52.101.68.16 52.101.68.39 52.101.73.153 52.101.91.159	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00207.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 → 40.104.116.56
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 166ms

TXT Record
google-site-verification=gSl76w7zGb7EkifQhAVgHgafO7PBy9sf29gSKQmXuME
MS=ms52215989
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (brdr-clausen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.brdr-clausen.dk)
p=quarantine	v=DMARC1; p=quarantine; ruf=mailto:info@brdr-clausen.dk

📬 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 01:08:17

www	185.21.42.35 (AS48854) (address records, no CNAME)
www vs bare domain	Same network brdr-clausen.dk: 185.21.42.35 (AS48854) www.brdr-clausen.dk: 185.21.42.35 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025032101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 01:58:38

Field	Value
Registrar	CURANET A/S
Registered	1999-07-26
Expires	2027-09-30 (338d)

🔗 Same registrant#

1 domain

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
brdrclausen.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

42ms

33ms

39ms

AAAA

33ms

TXT

166ms

CAA

36ms

HTTPS

32ms

TLSA

195ms

SOA

0ms

MTA-STS

43ms

DNSSEC

70ms

SRV

97ms

Total

684ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:08:17	1152ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:51:07	1173ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 07:49:32	1130ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 05:09:48 shown	684ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 16:39:09	2396ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 07:38:07	1246ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 02:52:42	748ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 16:45:56	2510ms	2 NS 1 A 1 MX	🔒 Secure