rkr.dk

📜 Historical scan 2026-09-26 09:02:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkr.dk is a .dk domain served by 2 nameservers (dion.ns.cloudflare.com, donna.ns.cloudflare.com). It was registered on 11 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
dion.ns.cloudflare.com	108.162.193.156 172.64.33.156 173.245.59.156 2606:4700:58::adf5:3b9c 2803:f800:50::6ca2:c19c 2a06:98c1:50::ac40:219c	dion.ns.cloudflare.com dion.ns.cloudflare.com dion.ns.cloudflare.com dion.ns.cloudflare.com dion.ns.cloudflare.com dion.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
donna.ns.cloudflare.com	108.162.192.151 172.64.32.151 173.245.58.151 2606:4700:50::adf5:3a97 2803:f800:50::6ca2:c097 2a06:98c1:50::ac40:2097	donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 202ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (rkr.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.rkr.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s

📬 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 2026-10-15 10:07:27

www	Exists, no address
www vs bare domain	Neither resolves rkr.dk: no address www.rkr.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rkr.dk	MoYIORLourZpa9vxbVecJusCeKsK8_avxLYt9GHI9dw
TXT	_acme-challenge.rkr.dk	thTmylwP8HL-0rMgr-A7djlexBNps1I7fab4kYX3eOc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2415851772
Primary NS (MNAME)	dion.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-08 07:42:34

Field	Value
Registrar	Eurodns S.A
Registered	2000-04-11
Expires	2027-06-30 (247d)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

35ms

45ms

AAAA

42ms

TXT

202ms

CAA

35ms

HTTPS

52ms

TLSA

42ms

SOA

0ms

MTA-STS

81ms

DNSSEC

137ms

SRV

82ms

Total

550ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 10:07:27	403ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-07 14:39:54	421ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-02 12:31:49	393ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-30 15:27:48	986ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-27 19:55:00	518ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-26 19:42:27	9360ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-26 09:02:28 shown	550ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-23 08:44:10	524ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-28 00:15:34	417ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-08 07:42:00	836ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-30 18:36:38	737ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-12 23:56:50	771ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-29 10:02:49	743ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-17 19:32:12	545ms	2 NS 0 A 0 MX	🔓 Insecure