rkrgruppen.dk

📜 Historical scan 2026-08-19 03:32:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkrgruppen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.72 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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   248ms

🌍 A Records#

1 records   268ms

📧 MX Records#

4 records   314ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover185.20.205.72
🔶 Autoconfig185.20.205.72

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   933ms
TXT Record
v=spf1 include: _custspf.one.com _spf.one.com spf.simply.com ~all

✉️ SPF#

PolicyRecord (rkrgruppen.dk)
~all (soft fail) v=spf1 include: _custspf.one.com _spf.one.com spf.simply.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#

latest probe, not this scan · checked 2026-10-18 15:32:52
www185.20.205.72 (AS48854) (address records, no CNAME)
www vs bare domainSame network
rkrgruppen.dk: 185.20.205.72 (AS48854)
www.rkrgruppen.dk: 185.20.205.72 (AS48854)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

  • error Unknown mechanism "_custspf.one.com": receivers treat the record as a permanent error
  • error Unknown mechanism "_spf.one.com": receivers treat the record as a permanent error
  • error Unknown mechanism "spf.simply.com": receivers treat the record as a permanent error

🔗 TLSA / DANE#

4 records   420ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC#

660ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026081805
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-17 15:21:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-02-19
Expires2027-02-28 (126d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
bloksoe.dkONE.COM A/S
consultinglab.dkPunktum dk A/S (direct)
frisøren.dkPunktum dk A/S (direct)
hedelandgolf.dkPunktum dk A/S (direct)
ms40.dkPunktum dk A/S (direct)
remotecontrol.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
248ms
A
268ms
MX
314ms
AAAA
275ms
TXT
933ms
CAA
297ms
HTTPS
267ms
TLSA
420ms
SOA
0ms
MTA-STS
364ms
DNSSEC
660ms
SRV
326ms
Total
6830ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 15:32:52 2168ms 2 NS 1 A 4 MX 🔓 Insecure
2026-10-17 15:06:44 467ms 2 NS 1 A 4 MX 🔓 Insecure
2026-09-30 20:07:49 631ms 2 NS 1 A 4 MX 🔓 Insecure
2026-08-19 03:32:10 shown 6830ms 2 NS 1 A 4 MX 🔓 Insecure
2026-07-10 07:03:28 4881ms 2 NS 1 A 4 MX 🔓 Insecure
2026-07-01 12:44:02 864ms 2 NS 1 A 4 MX 🔓 Insecure
2026-06-23 17:18:23 797ms 2 NS 1 A 4 MX 🔓 Insecure
2026-06-17 20:38:03 673ms 2 NS 1 A 4 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone