rs-systemer.dk

Records from scan: 2026-10-05 21:24:44 · 1730ms total · last checked 2026-10-18 00:53 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 152ms

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 172ms

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 156ms

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

🔷 AAAA Records (IPv6)#

2 records 176ms

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 150ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.247,172.67.186.74 ech=AEX+DQBBdQAgACDZFV88bEcaAv1wBV49Nt3CB7gXkx0sxSM76H/ToKXDcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ba4a,2606:4700:3037::6815:3bf7

📝 TXT Records#

1 records 412ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

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

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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

302ms

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

🏷️ SOA#

104ms

Field	Value
Serial	2416691515
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#

152ms

172ms

156ms

AAAA

176ms

TXT

412ms

CAA

155ms

HTTPS

150ms

TLSA

348ms

SOA

104ms

MTA-STS

241ms

DNSSEC

302ms

SRV

230ms

Total

1730ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 21:24:44 shown	1730ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 20:43:12	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