cdngroup.dk

Records from scan: 2026-10-08 08:11:03  ·  548ms total  ·  last checked 2026-10-17 20:24 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   45ms

🌍 A Records#

1 records   28ms

📧 MX Records#

4 records   45ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.58
🔶 Autoconfig46.30.215.58

🔷 AAAA Records (IPv6)#

1 records   40ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   182ms
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#

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   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…

🔐 DNSSEC#

92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

49ms
FieldValue
Serial2026100501
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 (8d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
28ms
MX
45ms
AAAA
40ms
TXT
182ms
CAA
36ms
HTTPS
36ms
TLSA
75ms
SOA
49ms
MTA-STS
90ms
DNSSEC
92ms
SRV
84ms
Total
548ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 08:11:03 shown 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 689ms 2 NS 1 A 4 MX 🔒 Secure
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