rkusw.dk

📜 Historical scan 2026-08-31 03:05:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkusw.dk is a .dk domain served by 2 nameservers (brad.ns.cloudflare.com, gail.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by work-mx.app.hey.com. The zone is not DNSSEC-signed, publishes a 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 106ms

Nameserver	IP addresses	PTR	ASN / ISP
brad.ns.cloudflare.com	108.162.193.105 172.64.33.105 173.245.59.105 2606:4700:58::adf5:3b69 2803:f800:50::6ca2:c169 2a06:98c1:50::ac40:2169	brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gail.ns.cloudflare.com	108.162.192.116 172.64.32.116 173.245.58.116 2606:4700:50::adf5:3a74 2803:f800:50::6ca2:c074 2a06:98c1:50::ac40:2074	gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.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 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.248	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	work-mx.app.hey.com	64.202.125.68	work-mx.app.hey.com	AS25657 Basecamp, LLC

🔷 AAAA Records (IPv6)#

2 records 86ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:188b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:daf8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 96ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.139,172.67.218.248 ech=AEX+DQBBmQAgACDc0bIbjDYB2ubP4uVS+O0iKH8sqXOu/oTg78BdpE1kJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:188b,2606:4700:3033::ac43:daf8

📝 TXT Records#

2 records 289ms

TXT Record
hey-verification:6ds7ZCCqg85tr4x5F1dZ67m9
v=spf1 include:_spf.hey.com ~all

✉️ SPF#

Policy	Record (rkusw.dk)
~all (soft fail)	v=spf1 include:_spf.hey.com ~all

📨 DMARC#

Policy	Record (_dmarc.rkusw.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+fiz01x6cwjx@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-08 07:03:53

www	104.21.24.139 172.67.218.248 2606:4700:3032::6815:188b 2606:4700:3033::ac43:daf8 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rkusw.dk: 104.21.24.139 172.67.218.248 2606:4700:3032::6815:188b 2606:4700:3033::ac43:daf8 (AS13335) www.rkusw.dk: 104.21.24.139 172.67.218.248 2606:4700:3032::6815:188b 2606:4700:3033::ac43:daf8 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms

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	2413531348
Primary NS (MNAME)	brad.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#

106ms

88ms

83ms

AAAA

86ms

TXT

289ms

CAA

92ms

HTTPS

96ms

TLSA

185ms

SOA

0ms

MTA-STS

143ms

DNSSEC

190ms

SRV

139ms

Total

1101ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:03:53	606ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 20:58:33	9542ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 03:05:41 shown	1101ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 00:28:28	749ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 09:23:02	1876ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 23:13:37	966ms	4 NS 1 A 1 MX	🔓 Insecure