arnholst.dk

📜 Historical scan 2026-07-13 05:12:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arnholst.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.87.106 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by arnholst-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 20ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.63.87.106	43200s	—	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arnholst-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.25 52.101.68.39 52.101.73.11	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 43ms

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

📝 TXT Records#

2 records 153ms

TXT Record
MS=ms78404452
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (arnholst.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 2026-10-12 07:44:14

www CNAME	phpserver.web-inform.dk (all on web-inform.dk) → 80.62.161.153 (AS3292)
www vs bare domain	Same network arnholst.dk: 87.63.87.106 (AS3292) www.arnholst.dk: 80.62.161.153 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

50ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071101
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 2026-10-11 02:40:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-11-01
Expires	2026-12-31 (65d)

📋 WHOIS#

⏱️ Lookup Timing#

20ms

30ms

AAAA

29ms

TXT

153ms

CAA

29ms

HTTPS

28ms

TLSA

772ms

SOA

0ms

MTA-STS

40ms

DNSSEC

50ms

SRV

43ms

Total

1855ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 07:44:14	1016ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 03:21:47	652ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 16:05:59	1096ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:03:28	1032ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 05:22:35	17391ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 00:50:28	4058ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 05:12:02 shown	1855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 15:59:52	5999ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 14:31:56	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:40:18	940ms	2 NS 1 A 1 MX	🔒 Secure