cdngroup.dk

📜 Historical scan 2026-06-16 19:55:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cdngroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.58 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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   75ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   70ms

📧 MX Records#

4 records   72ms

🔷 AAAA Records (IPv6)#

1 records   66ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   161ms
TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (cdngroup.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.cdngroup.dk)
p=reject v=DMARC1; p=reject

📬 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 08:11:03
www46.30.215.58 2a02:2350:5:10e:80d7:699b:6b25:e5e5 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records   67ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

187ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

73ms
FieldValue
Serial2026042616
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 14:39:50
FieldValue
RegistrarONE.COM A/S
Registered2023-10-28
Expires2026-10-27 (9d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
75ms
A
70ms
MX
72ms
AAAA
66ms
TXT
161ms
CAA
72ms
HTTPS
65ms
TLSA
67ms
SOA
73ms
MTA-STS
53ms
DNSSEC
187ms
SRV
0ms
Total
689ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 08:11:03 548ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-05 14:23:04 606ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 13:06:36 706ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 18:28:12 692ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-02 13:21:02 10129ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 10:40:46 2422ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 15:56:20 640ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 19:55:36 shown 689ms 2 NS 1 A 4 MX 🔒 Secure
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