rs-systemer.dk

📜 Historical scan 2026-09-29 20:43:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rs-systemer.dk is a .dk domain served by 2 nameservers (kenneth.ns.cloudflare.com, tani.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.247 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
kenneth.ns.cloudflare.com	108.162.195.41 162.159.44.41 172.64.35.41 2606:4700:58::a29f:2c29 2803:f800:50::6ca2:c329 2a06:98c1:50::ac40:2329	kenneth.ns.cloudflare.com kenneth.ns.cloudflare.com kenneth.ns.cloudflare.com kenneth.ns.cloudflare.com kenneth.ns.cloudflare.com kenneth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tani.ns.cloudflare.com	108.162.192.224 172.64.32.224 173.245.58.224 2606:4700:50::adf5:3ae0 2803:f800:50::6ca2:c0e0 2a06:98c1:50::ac40:20e0	tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.247	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.74	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:ba4a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3bf7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.247,172.67.186.74 ech=AEX+DQBByAAgACDkPIGbdvtH23IKJWkgQJjHKIVJ0qWWHM1aJxtba/6nFgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ba4a,2606:4700:3037::6815:3bf7

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.rs-systemer.dk)
p=none (monitor only)	v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:dmarc@rs-systemer.dk; fo=1

📬 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 11:29:50

www	104.21.59.247 172.67.186.74 2606:4700:3031::ac43:ba4a 2606:4700:3037::6815:3bf7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rs-systemer.dk: 104.21.59.247 172.67.186.74 2606:4700:3031::ac43:ba4a 2606:4700:3037::6815:3bf7 (AS13335) www.rs-systemer.dk: 104.21.59.247 172.67.186.74 2606:4700:3031::ac43:ba4a 2606:4700:3037::6815:3bf7 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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	2414122238
Primary NS (MNAME)	kenneth.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#

63ms

37ms

55ms

AAAA

55ms

TXT

196ms

CAA

33ms

HTTPS

52ms

TLSA

89ms

SOA

0ms

MTA-STS

65ms

DNSSEC

77ms

SRV

86ms

Total

503ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 21:24:44	1730ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 20:43:12 shown	503ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 12:41:20	1162ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 10:55:27	1276ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 19:58:41	680ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 03:30:41	885ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 08:18:00	9722ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-07 04:38:45	1278ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 15:13:34	1689ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 11:35:57	5049ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 08:32:55	904ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 10:55:13	874ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 12:16:00	2726ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 04:10:11	817ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 04:03:39	3491ms	2 NS 2 A 0 MX	🔓 Insecure