arkitektkontor.dk

📜 Historical scan 2026-06-18 14:34:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arkitektkontor.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by arkitektkontor-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 202ms

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 495ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.95.64	3600s	dedi7385.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 484ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arkitektkontor-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca09::3 2a01:111:f403:ca09::f 52.101.68.16 52.101.68.25 52.101.68.8 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.98.16.85
🔶 Autoconfig	arkitektkontor.dk → 23.88.95.64

🔷 AAAA Records (IPv6)#

1 records 494ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:1061:1138::2	3600s	dedi7385.your-server.de	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2327ms

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

📝 TXT Records#

1 records 1217ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (arkitektkontor.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.arkitektkontor.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:hvam@arkitektkontor.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 2026-10-21 19:38:17

www	23.88.95.64 2a01:4f8:1061:1138::2 (AS24940) (address records, no CNAME)
www vs bare domain	Same network arkitektkontor.dk: 23.88.95.64 2a01:4f8:1061:1138::2 (AS24940) www.arkitektkontor.dk: 23.88.95.64 2a01:4f8:1061:1138::2 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-arkitektkontor-dk._domainkey.arkitektkontor.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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.arkitektkontor.dk	8zldfC1EAFpBKsgFZG3Fynci2e06bqYedvFPcHPoCuE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1255ms

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

🏷️ SOA#

474ms

Field	Value
Serial	2026061801
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 2026-10-05 03:45:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-05-31
Expires	2027-06-30 (251d)

📋 WHOIS#

⏱️ Lookup Timing#

202ms

495ms

484ms

AAAA

494ms

TXT

1217ms

CAA

475ms

HTTPS

474ms

TLSA

700ms

SOA

474ms

MTA-STS

483ms

DNSSEC

1255ms

SRV

2327ms

Total

8209ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 19:38:16	1707ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 03:40:11	1421ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 13:33:35	1535ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 01:04:18	1489ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 13:51:08	1701ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 20:21:11	1271ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 04:37:05	9769ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 04:24:02	7641ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 21:04:46	5453ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 16:35:05	3149ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 15:58:49	5145ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 20:48:28	1226ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-05 00:22:08	1550ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 04:35:11	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 21:22:46	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:08:47	3535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 14:34:58 shown	8209ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:39:23	711ms	2 NS 1 A 1 MX	🔒 Secure