rudbaekholm.dk

Records from scan: 2026-10-09 10:42:28 · 1381ms total · last checked 2026-10-28 01:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rudbaekholm.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was registered on 22 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 84.238.109.18 is hosted by Bolignet-aarhus F.m.b.a. (AS33796) in Denmark. Mail is handled by rudbaekholm-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

5 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
84.238.109.18	900s	84-238-109-18.ptr.bnaa.dk	AS33796	Bolignet-aarhus F.m.b.a.	84.238.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	rudbaekholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca21::10 2a01:111:f403:ca48::10 52.101.181.156 52.101.209.28 52.101.68.29 52.101.73.123	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.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 271ms

TXT Record
MS=ms20096299
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rudbaekholm.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#

checked 2026-10-09 10:42:28

www CNAME	rudbaekholm.dk (all on rudbaekholm.dk) → 84.238.109.18 (AS33796)
www vs bare domain	Same network rudbaekholm.dk: 84.238.109.18 (AS33796) www.rudbaekholm.dk: 84.238.109.18 (AS33796)
Wildcard	No

🔎 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#

152ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

55ms

Field	Value
Serial	2023060601
Primary NS (MNAME)	ns1.he.net
Responsible (RNAME)	hostmaster@he.net
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-25 08:23:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-05-22
Expires	2027-05-31 (215d)

🔗 Same registrant#

1 domain

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
rudbaekholm-udlejning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

71ms

59ms

AAAA

59ms

TXT

271ms

CAA

61ms

HTTPS

57ms

TLSA

591ms

SOA

55ms

MTA-STS

86ms

DNSSEC

152ms

SRV

88ms

Total

1381ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:42:28 shown	1381ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-30 06:22:43	984ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:05:51	1295ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-23 16:36:11	1196ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:47:58	1221ms	5 NS 1 A 1 MX	🔓 Insecure