rk-communication.dk

Records from scan: 2026-09-26 13:02:59  ·  648ms total  ·  last checked 2026-10-17 09:38 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rk-communication.dk is a .dk domain served by 2 nameservers (kianchau.ns.cloudflare.com, zainab.ns.cloudflare.com). It first appeared in the .dk zone on 17 September 2026. Its website address 104.21.49.84 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms
NameserverIP addressesPTRASN / ISP
kianchau.ns.cloudflare.com 108.162.195.179
162.159.44.179
172.64.35.179
2606:4700:58::a29f:2cb3
2803:f800:50::6ca2:c3b3
2a06:98c1:50::ac40:23b3		 kianchau.ns.cloudflare.com
kianchau.ns.cloudflare.com
kianchau.ns.cloudflare.com
kianchau.ns.cloudflare.com
kianchau.ns.cloudflare.com
kianchau.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
zainab.ns.cloudflare.com 108.162.194.149
162.159.38.149
172.64.34.149
2606:4700:50::a29f:2695
2803:f800:50::6ca2:c295
2a06:98c1:50::ac40:2295		 zainab.ns.cloudflare.com
zainab.ns.cloudflare.com
zainab.ns.cloudflare.com
zainab.ns.cloudflare.com
zainab.ns.cloudflare.com
zainab.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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.49.84 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.160.111 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   64ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:3154 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:a06f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   56ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.84,172.67.160.111 ech=AEX+DQBBNwAgACDOo6zzzHdoH45Az6aHWK4YMXnDVugtAXTQA3aguUe+LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3154,2606:4700:3033::ac43:a06f

📝 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#

checked 2026-10-17 09:38:59
www104.21.49.84 172.67.160.111 2606:4700:3030::6815:3154 2606:4700:3033::ac43:a06f (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415623253
Primary NS (MNAME)kianchau.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
49ms
A
52ms
MX
39ms
AAAA
64ms
TXT
239ms
CAA
48ms
HTTPS
56ms
TLSA
79ms
SOA
0ms
MTA-STS
82ms
DNSSEC
86ms
SRV
101ms
Total
648ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 13:02:59 shown 648ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-23 21:14:53 626ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-17 11:17:53 1482ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-17 10:45:12 562ms 2 NS 0 A 0 MX 🔓 Insecure
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