rkrgruppen.dk

📜 Historical scan 2026-06-17 20:38:03  ·  ← 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. 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   86ms

🌍 A Records#

1 records   95ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.20.205.72 — linux396.unoeuro.com AS48854 — — — —

📧 MX Records#

4 records   84ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   150ms
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   98ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…

🔐 DNSSEC#

168ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

86ms
FieldValue
Serial2026060701
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 (127d)

🔗 Same registrant#

5 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)
ms40.dkPunktum dk A/S (direct)
remotecontrol.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
86ms
A
95ms
MX
84ms
AAAA
81ms
TXT
150ms
CAA
81ms
HTTPS
86ms
TLSA
98ms
SOA
86ms
MTA-STS
85ms
DNSSEC
168ms
SRV
0ms
Total
673ms

🕐 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 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 shown 673ms 2 NS 1 A 4 MX 🔓 Insecure
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