rs-systemer.dk

📜 Historical scan 2026-06-18 04:10:11  ·  ← 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). The zone is not DNSSEC-signed, has no 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   32ms

🌍 A Records#

2 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.59.247 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.186.74 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   31ms

🔐 HTTPS Records#

1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.59.247,172.67.186.74 ech=AEX+DQBBHQAgACDvr0foaUL+kfe8cQ/jzRqJm9WG78Sy1RChao5wzEe6ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3bf7,2606:4700:3034::ac43:ba4a

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-08 11:29:50

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

28ms
FieldValue
Serial2405051362
Primary NS (MNAME)kenneth.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
30ms
MX
29ms
AAAA
31ms
TXT
279ms
CAA
32ms
HTTPS
29ms
TLSA
49ms
SOA
28ms
MTA-STS
37ms
DNSSEC
118ms
SRV
65ms
Total
817ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 21:24:44 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 shown 817ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-18 04:03:39 3491ms 2 NS 2 A 0 MX 🔓 Insecure
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