arkhus.dk

📜 Historical scan 2026-08-27 01:34:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arkhus.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 2 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.237.125.110 is hosted by Procopa IT ApS (AS210939) in Denmark. Mail is handled by arkhus-dk.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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.237.125.110	360s	web01.simpleagencygroup.dk	AS210939	Procopa IT ApS	185.237.124.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arkhus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.5 52.101.73.19 52.101.73.24 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	arkhus.dk → 185.237.125.110

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 63ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 211ms

TXT Record
v=spf1 ip4:152.115.81.2 include:spf.itoperators.dk include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (arkhus.dk)
~all (soft fail)	v=spf1 ip4:152.115.81.2 include:spf.itoperators.dk include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.arkhus.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:8a7516ff259b.a@dmarcinput.com; pct=100

📬 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 2026-10-10 01:07:52

www CNAME	arkhus.dk (all on arkhus.dk) → 185.237.125.110 (AS210939)
www vs bare domain	Same network arkhus.dk: 185.237.125.110 (AS210939) www.arkhus.dk: 185.237.125.110 (AS210939)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-arkhus-dk._domainkey.arkhus.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-arkhus-dk._domainkey.arkhus.onmicrosoft.com	RSA · ~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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.arkhus.dk	arkhus.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025032801
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 16:15:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-11-02
Expires	2026-11-30 (42d)

🔗 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#

49ms

42ms

41ms

AAAA

39ms

TXT

211ms

CAA

53ms

HTTPS

41ms

TLSA

362ms

SOA

0ms

MTA-STS

62ms

DNSSEC

90ms

SRV

63ms

Total

1167ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:49:14	961ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:43:49	1057ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 01:19:59	1125ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:34:41 shown	1167ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 22:43:17	819ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 14:36:48	3124ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:50:23	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:52:55	1308ms	2 NS 1 A 1 MX	🔒 Secure