arenholtbruun.dk

📜 Historical scan 2026-10-01 09:42:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arenholtbruun.dk is a .dk domain served by 2 nameservers (joselyn.ns.cloudflare.com, lynn.ns.cloudflare.com). It was registered on 18 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.144.139 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by arenholtbruun-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 88ms

Nameserver	IP addresses	PTR	ASN / ISP
joselyn.ns.cloudflare.com	108.162.194.43 162.159.38.43 172.64.34.43 2606:4700:50::a29f:262b 2803:f800:50::6ca2:c22b 2a06:98c1:50::ac40:222b	joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lynn.ns.cloudflare.com	108.162.193.201 172.64.33.201 173.245.59.201 2606:4700:58::adf5:3bc9 2803:f800:50::6ca2:c1c9 2a06:98c1:50::ac40:21c9	lynn.ns.cloudflare.com lynn.ns.cloudflare.com lynn.ns.cloudflare.com lynn.ns.cloudflare.com lynn.ns.cloudflare.com lynn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.144.139	300s	cp02.azehosting.net	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	arenholtbruun-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::22 2a01:111:f403:ca21::10 2a01:111:f403:ca38::8 52.101.68.15 52.101.68.27 52.101.73.120 52.101.73.155	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.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	172.67.177.219

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 552ms

TXT Record
MS=ms40642869
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (arenholtbruun.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-09 13:37:20

www	104.21.83.153 172.67.177.219 2606:4700:3030::6815:5399 2606:4700:3034::ac43:b1db (AS13335) (address records, no CNAME)
www vs bare domain	Different networks arenholtbruun.dk: 168.119.144.139 (AS24940) www.arenholtbruun.dk: 104.21.83.153 172.67.177.219 2606:4700:3030::6815:5399 2606:4700:3034::ac43:b1db (AS13335) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

315ms

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

🏷️ SOA#

119ms

Field	Value
Serial	2416274040
Primary NS (MNAME)	joselyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 18:42:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-02-18
Expires	2030-08-31 (1403d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

105ms

134ms

AAAA

143ms

TXT

552ms

CAA

113ms

HTTPS

147ms

TLSA

594ms

SOA

119ms

MTA-STS

251ms

DNSSEC

315ms

SRV

198ms

Total

2957ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:37:20	1509ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 12:04:51	1320ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 09:42:59 shown	2957ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 09:25:19	1128ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-16 04:57:30	1464ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-14 02:28:57	1155ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-03 21:14:50	625ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-30 07:49:22	1674ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 14:13:11	1263ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 11:03:54	1090ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-11 00:24:59	9380ms	2 NS 0 A 1 MX	❓ Unknown
2026-08-09 15:44:30	2326ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-04 22:56:49	1345ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-02 09:51:52	1929ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 19:25:18	1875ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 12:51:38	978ms	2 NS 0 A 1 MX	🔓 Insecure