rkdanmark.dk

Records from scan: 2026-10-16 16:36:29  ·  648ms total  ·  last checked 2026-10-18 17:29 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkdanmark.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 23 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.166.23.51 is hosted by Mittwald CM Service GmbH & Co. KG (AS15817) in Germany. Mail is handled by eu-esec-02.heimdalsecurity.com, eu-esec-01.heimdalsecurity.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#

4 records   39ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC

🌍 A Records#

1 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.166.23.51 600s r31896.agenturserver.it AS15817 Mittwald CM Service GmbH & Co. KG 185.166.20.0/22 🇩🇪 Germany —

📧 MX Records#

2 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s eu-esec-02.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
10 3600s eu-esec-01.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.154.136
🔶 Autoconfigrkdanmark.dk → 185.166.23.51

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   203ms
TXT Record
MS=ms82939339
v=spf1 mx include:spf.protection.outlook.com include:agenturserver.de include:eu-esec.heimdalsecurity.com -all

✉️ SPF#

PolicyRecord (rkdanmark.dk)
-all (hard fail) v=spf1 mx include:spf.protection.outlook.com include:agenturserver.de include:eu-esec.heimdalsecurity.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 2026-10-16 16:36:29
www CNAMErkdanmark.dk (all on rkdanmark.dk)
www vs bare domainSame network
rkdanmark.dk: 185.166.23.51 (AS15817)
www.rkdanmark.dk: 185.166.23.51 (AS15817)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

  • error include:eu-esec.heimdalsecurity.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.rkdanmark.dk rkdanmark.dk

🔗 TLSA / DANE#

2 records   156ms
Service / OwnerTypeCert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC#

64ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

35ms
FieldValue
Serial2026061524
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 13:57:47
FieldValue
RegistrarEurodns S.A
Registered2010-09-23
Expires2027-09-30 (346d)

🔗 Same registrant#

4 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).

DomainRegistrar
etikettering.dkEurodns S.A
logopak.dkEurodns S.A
lss.dkEurodns S.A
lssetikettering.dkEurodns S.A
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
47ms
MX
36ms
AAAA
45ms
TXT
203ms
CAA
43ms
HTTPS
42ms
TLSA
156ms
SOA
35ms
MTA-STS
55ms
DNSSEC
64ms
SRV
84ms
Total
648ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 16:36:29 shown 648ms 4 NS 1 A 2 MX 🔒 Secure
2026-10-15 15:54:19 1753ms 4 NS 1 A 2 MX 🔒 Secure
2026-10-14 13:48:10 1946ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-27 05:01:14 1229ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-26 04:36:10 2238ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-08 20:43:35 1102ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-02 00:39:36 847ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-28 23:12:58 730ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-21 11:10:30 10617ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-20 11:04:53 1970ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-15 23:40:52 1649ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-06 12:48:57 1886ms 4 NS 1 A 2 MX 🔒 Secure
2026-07-18 11:58:24 17116ms 4 NS 1 A 2 MX 🔒 Secure
2026-07-16 08:26:31 1235ms 4 NS 1 A 2 MX 🔒 Secure
2026-07-14 03:14:53 1172ms 4 NS 1 A 2 MX 🔒 Secure
2026-07-01 22:12:28 976ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-26 18:32:58 2266ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-25 17:07:29 1162ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-22 19:33:49 1027ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-18 13:29:16 1130ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-18 05:26:50 986ms 4 NS 1 A 2 MX 🔒 Secure
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