holkenberg.dk

📜 Historical scan 2026-10-09 09:09:08  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holkenberg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.152 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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   28ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.152 3600s webcluster25.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:c5:299c:4107:5681 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   138ms
TXT Record
v=spf1 a mx include:_bonacustspf.one.com -all

✉️ SPF#

PolicyRecord (holkenberg.dk)
-all (hard fail) v=spf1 a mx include:_bonacustspf.one.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 2026-10-22 05:05:06
www77.111.240.152 2a02:2350:5:102:c5:299c:4107:5681 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   69ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 6F2F6668E559087AD0C5D55F223128E2…

🔐 DNSSEC#

55ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

32ms
FieldValue
Serial2026091101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-10 11:11:02
FieldValue
RegistrarONE.COM A/S
Registered2000-06-21
Expires2027-06-30 (249d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
40ms
MX
32ms
AAAA
37ms
TXT
138ms
CAA
35ms
HTTPS
33ms
TLSA
69ms
SOA
32ms
MTA-STS
37ms
DNSSEC
55ms
SRV
51ms
Total
438ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 05:05:05 1848ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-13 14:06:53 434ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-09 09:09:08 shown 438ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-09 02:42:06 485ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-14 09:34:26 948ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-01 05:10:03 1107ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-22 22:50:04 4774ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-12 22:16:18 3912ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-13 02:11:19 985ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-08 21:21:26 9171ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 20:37:39 770ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 13:56:47 825ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 11:46:52 1028ms 2 NS 1 A 4 MX 🔒 Secure
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