rkc-dev.dk

Records from scan: 2026-10-14 00:16:18  ·  766ms total  ·  last checked 2026-10-19 07:08 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkc-dev.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.118 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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   35ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.118 3600s webcluster2.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:80b7:e32f:2373:9a36 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   141ms
TXT Record
v=spf1 include:_custspf.one.com -all

✉️ SPF#

PolicyRecord (rkc-dev.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all

📨 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 2026-10-14 00:16:18
www46.30.215.118 2a02:2350:5:111:80b7:e32f:2373:9a36 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   72ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

35ms
FieldValue
Serial2026101302
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-10 16:39:36
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2015-08-13
Expires2027-08-31 (315d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
37ms
MX
31ms
AAAA
47ms
TXT
141ms
CAA
40ms
HTTPS
31ms
TLSA
72ms
SOA
35ms
MTA-STS
48ms
DNSSEC
110ms
SRV
43ms
Total
766ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 00:16:18 shown 766ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-10 16:20:34 619ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-01 00:14:38 546ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-12 23:48:06 1010ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-08 18:39:45 810ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 08:42:42 882ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-14 21:58:39 8903ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-13 14:37:31 5137ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-11 00:16:24 3469ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 06:46:35 1699ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 20:39:15 885ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 03:46:31 822ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 21:16:45 978ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 03:34:37 892ms 2 NS 1 A 4 MX 🔒 Secure
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