rka-service.dk

📜 Historical scan 2026-08-26 14:45:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rka-service.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.142 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.86	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	3600s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	3600s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	3600s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.one.com → 46.30.212.104

🔷 AAAA Records (IPv6)#

2 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:398e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a456	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.142,172.67.164.86 ech=AEX+DQBBVAAgACAHSHUICxC8t/iQHx3wsFiEKQ08JFPD9rFsEmJ6bo5FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:398e,2606:4700:3037::ac43:a456

📝 TXT Records#

1 records 137ms

TXT Record
v=spf1 include:_spf.one.com -all

✉️ SPF#

Policy	Record (rka-service.dk)
-all (hard fail)	v=spf1 include:_spf.one.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#

latest probe, not this scan · checked 2026-10-09 00:09:21

www	104.21.57.142 172.67.164.86 2606:4700:3030::6815:398e 2606:4700:3037::ac43:a456 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rka-service.dk: 104.21.57.142 172.67.164.86 2606:4700:3030::6815:398e 2606:4700:3037::ac43:a456 (AS13335) www.rka-service.dk: 104.21.57.142 172.67.164.86 2606:4700:3030::6815:398e 2606:4700:3037::ac43:a456 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 72ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC#

98ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413159702
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

24ms

32ms

AAAA

27ms

TXT

137ms

CAA

25ms

HTTPS

28ms

TLSA

72ms

SOA

0ms

MTA-STS

45ms

DNSSEC

98ms

SRV

53ms

Total

764ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 00:09:21	482ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 11:01:57	654ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-28 09:11:46	716ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-20 07:33:39	805ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 09:51:32	999ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 14:45:11 shown	764ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-21 04:56:08	3163ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 20:06:29	3214ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-27 17:39:32	958ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 03:51:34	3454ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 23:47:15	950ms	2 NS 2 A 4 MX	🔓 Insecure