dahlgroup.dk

📜 Historical scan 2026-06-16 23:43:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahlgroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by dahlgroup-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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   55ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   45ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   82ms
TXT Record
MS=ms58494013
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (dahlgroup.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.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 15:16:16
www CNAMEensence.azurewebsites.net (all on azurewebsites.net)
www vs bare domainOnly www resolves
dahlgroup.dk: no address
www.dahlgroup.dk: 23.100.50.51 (AS8075)
(all like this)
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#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

60ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'dahlgroup.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

72ms
FieldValue
Serial2026030601
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 19:42:47
FieldValue
RegistrarONE.COM A/S
Registered2008-09-19
Expires2027-09-30 (346d)

🔗 Same registrant#

3 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
dahlequity.dkONE.COM A/S
dasel.dkONE.COM A/S
winsec.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
34ms
MX
45ms
AAAA
34ms
TXT
82ms
CAA
33ms
HTTPS
34ms
TLSA
295ms
SOA
72ms
MTA-STS
36ms
DNSSEC
60ms
SRV
0ms
Total
588ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 15:16:15 2086ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-13 10:39:13 1032ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-08 01:51:00 970ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-26 17:44:15 3210ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-24 03:20:28 2509ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-16 23:43:57 shown 588ms 2 NS 0 A 1 MX ⚠️ Bogus
2026-06-16 23:40:59 720ms 2 NS 0 A 1 MX 🔒 Secure
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