rk.dk DNS records

🖥️ Nameservers4 records 51ms

Nameserver	IP addresses	PTR	ASN / 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 Records1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.95.185	3600s	static.185.95.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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
20	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2220:1b48::2	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records6 records 267ms

TXT Record
_comwjdci18fls87o9leloytolq2epb2
_ohcpomqnls3iiyu8ceq3kwfyol5g3h7
google-site-verification=CUy8gIR-ex27XvK9quCc2vM860dF6qw-BlgBR9Qen-o
MS=ms89381381
openai-domain-verification=dv-5l20q3CGv1zOIXmJaZF5Gtaf
v=spf1 include:_rk_dk.spf-protect.com -all

✉️ SPF

Policy	Record (rk.dk)
-all (hard fail)	v=spf1 include:_rk_dk.spf-protect.com -all

📨 DMARC

Policy	Record (_dmarc.rk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:634d64c5e4218@dmarc.centerasecurity.com

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rk.dk	_acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com

🔗 TLSA / DANE2 records 186ms

Service / Owner	Type	Cert 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…

🔐 DNSSEC118ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

36ms

MX

35ms

AAAA

46ms

TXT

267ms

CAA

49ms

HTTPS

41ms

TLSA

186ms

SOA

0ms

MTA-STS

60ms

DNSSEC

118ms

SRV

75ms

Total

881ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:22:24	881ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-19 07:20:12	9920ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 00:08:40	3707ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-08 08:47:54	1259ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-01 05:13:24	1352ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-30 17:03:22	1324ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 10:38:29	1300ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-11 18:05:21	10287ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-06 23:25:29	1243ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-30 16:57:32	1054ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 12:53:23	4431ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 11:14:18	1223ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 23:43:25	1071ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 05:31:21	3517ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:07:02	943ms	4 NS 1 A 2 MX	🔒 Secure	View