rustenborghuset.dk

Records from scan: 2026-08-26 18:18:16 · 1227ms total · last checked 2026-10-19 15:51 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rustenborghuset.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 18 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.239.98.91 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rustenborghuset-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.239.98.91	3600s	—	AS48854	team.blue Denmark A/S	193.239.96.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rustenborghuset-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::9 52.101.103.137 52.101.73.11 52.101.73.123 52.101.73.145	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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	193.239.98.91
🔶 Autoconfig	193.239.98.91

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 175ms

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

✉️ SPF#

Policy	Record (rustenborghuset.dk)
-all (hard fail)	v=spf1 include: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#

checked 2026-10-10 05:01:38

www	193.239.98.91 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rustenborghuset.dk: 193.239.98.91 (AS48854) www.rustenborghuset.dk: 193.239.98.91 (AS48854)
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

🔎 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#

101ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026042001
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 2026-10-08 18:18:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-06-18
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

76ms

44ms

AAAA

52ms

TXT

175ms

CAA

55ms

HTTPS

75ms

TLSA

395ms

SOA

0ms

MTA-STS

63ms

DNSSEC

101ms

SRV

93ms

Total

1227ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:18:16 shown	1227ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:29:27	890ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 20:36:48	829ms	2 NS 1 A 1 MX	🔒 Secure