arthur.dk

📜 Historical scan 2026-06-24 16:24:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arthur.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 21 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.140.28.110 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by arthur-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 43ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
128.140.28.110	3600s	static.110.28.140.128.clients.your-server.de	AS24940	Hetzner Online GmbH	128.140.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arthur-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 52.101.68.39 52.101.73.16 52.101.73.22 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 137ms

TXT Record
MS=ms22309203
v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com ip4:77.66.17.138 ip4:88.99.226.230 -all

✉️ SPF#

Policy	Record (arthur.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com ip4:77.66.17.138 ip4:88.99.226.230 -all

📨 DMARC#

Policy	Record (_dmarc.arthur.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@arthur.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 2026-10-09 12:43:24

www CNAME	arthur.dk (all on arthur.dk) → 128.140.28.110 (AS24940)
www vs bare domain	Same network arthur.dk: 128.140.28.110 (AS24940) www.arthur.dk: 128.140.28.110 (AS24940)
Wildcard	No
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#

1 found

Selector	CNAME	Key
selector1	selector1-arthur-dk._domainkey.arthur.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026050401
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 2026-10-13 02:43:38

Field	Value
Registrar	CURANET A/S
Registered	1998-11-21
Expires	2026-12-31 (75d)

🔗 Same registrant#

2 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).

Domain	Registrar
bjarneilsoee.dk	Punktum dk A/S (direct)
oddervognmand.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

43ms

41ms

AAAA

34ms

TXT

137ms

CAA

31ms

HTTPS

40ms

TLSA

329ms

SOA

42ms

MTA-STS

31ms

DNSSEC

91ms

SRV

204ms

Total

917ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:56:13	1142ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 20:57:26	1896ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:24:46 shown	917ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 08:48:05	1143ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:29:31	1681ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:42:13	2765ms	2 NS 1 A 1 MX	🔒 Secure