rka100.dk

📜 Historical scan 2026-08-21 14:16:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rka100.dk is a .dk domain served by 2 nameservers (kinsley.ns.cloudflare.com, phil.ns.cloudflare.com). It was registered on 23 November 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 66.111.4.53 is hosted by NYI (AS11403) in United States. Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
kinsley.ns.cloudflare.com	108.162.194.75 162.159.38.75 172.64.34.75 2606:4700:50::a29f:264b 2803:f800:50::6ca2:c24b 2a06:98c1:50::ac40:224b	kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phil.ns.cloudflare.com	108.162.193.137 172.64.33.137 173.245.59.137 2606:4700:58::adf5:3b89 2803:f800:50::6ca2:c189 2a06:98c1:50::ac40:2189	phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.111.4.53	300s	—	AS11403	NYI	66.111.0.0/20	🇺🇸 United States	—
66.111.4.54	300s	—	AS11403	NYI	66.111.0.0/20	🇺🇸 United States	—

📧 MX Records#

2 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	66.111.4.54
🔶 Autoconfig	66.111.4.53

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 264ms

TXT Record
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (rka100.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.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 20:58:45

www	66.111.4.53 66.111.4.54 (AS11403) (address records, no CNAME)
www vs bare domain	Same network rka100.dk: 66.111.4.53 66.111.4.54 (AS11403) www.rka100.dk: 66.111.4.53 66.111.4.54 (AS11403)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rka100.dk	8uWyRoYT-RXJbDHq-KcplI80CJq8Xfq2750pmj-uXsM
TXT	_acme-challenge.rka100.dk	jiMWOLhGlVskxY4FlPcQZCwR4H5cSK06yiW0juvWUP0

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412736431
Primary NS (MNAME)	kinsley.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 21:37:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-11-23
Expires	2026-11-30 (40d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

41ms

54ms

AAAA

43ms

TXT

264ms

CAA

47ms

HTTPS

58ms

TLSA

811ms

SOA

0ms

MTA-STS

96ms

DNSSEC

95ms

SRV

81ms

Total

2649ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 20:58:45	1624ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 10:56:12	1519ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-24 20:03:59	1867ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-22 06:30:11	2285ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-16 14:38:08	3063ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-14 15:40:50	4200ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-07 12:56:53	2033ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 02:43:36	1714ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 04:59:04	2638ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 04:49:47	5243ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-24 18:59:09	6355ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-22 14:30:20	3453ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-21 14:16:25 shown	2649ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-16 14:46:24	2724ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-15 04:11:56	11879ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-02 08:50:38	2423ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-08 19:23:55	2428ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 07:32:11	2091ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-18 00:00:55	1735ms	2 NS 2 A 2 MX	🔒 Secure