holtum.dk

📜 Historical scan 2026-07-26 00:49:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtum.dk is a .dk domain served by 3 nameservers (ns1.konformit.com, ns2.konformit.com, ns3.konformit.com). It was registered on 15 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.209.190.150 is hosted by Kontainer A/S (AS198452) in Denmark. Mail is handled by mx1.konformit.com, mx2.konformit.com. The zone is not DNSSEC-signed, publishes a 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#

3 records   41ms
NameserverIP addressesPTRASN / ISP
ns1.konformit.com 91.209.190.99 ns1.konformit.com AS198452 Kontainer A/S
ns2.konformit.com 188.94.25.42 — AS20694 NMMN GmbH
ns3.konformit.com 185.170.133.60 — AS3342 Cibicom A/S

🌍 A Records#

1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.209.190.150 43200s konlinux1.konformit.com AS198452 Kontainer A/S 91.209.190.0/24 🇩🇰 Denmark —

📧 MX Records#

2 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mx1.konformit.com 185.84.132.2
185.84.132.4		 mx1.konformit.com
mx1.konformit.com		 AS198452 Kontainer A/S
AS198452 Kontainer A/S
20 43200s mx2.konformit.com 185.84.132.3
185.84.132.5		 mx2.konformit.com
mx2.konformit.com		 AS198452 Kontainer A/S
AS198452 Kontainer A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   294ms
TXT Record
v=spf1 ptr:zensystems.dk ptr:gullestrupnet.dk include:konformit.com -all

✉️ SPF#

PolicyRecord (holtum.dk)
-all (hard fail) v=spf1 ptr:zensystems.dk ptr:gullestrupnet.dk include:konformit.com -all

📨 DMARC#

PolicyRecord (_dmarc.holtum.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=r; aspf=r; sp=none

📬 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 2026-10-09 05:54:25
www CNAMEmysite.format.com (all on format.com)
www vs bare domainDifferent networks (all like this)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

  • warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
  • warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2048ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

25ms
FieldValue
Serial2025101301
Primary NS (MNAME)ns1.konformit.com
Responsible (RNAME)js@konform.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-17 01:14:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-04-15
Expires2027-06-30 (256d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
41ms
MX
49ms
AAAA
49ms
TXT
294ms
CAA
41ms
HTTPS
41ms
TLSA
75ms
SOA
25ms
MTA-STS
66ms
DNSSEC
2048ms
SRV
74ms
Total
6651ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 03:43:34 6743ms 3 NS 1 A 2 MX 🔓 Insecure
2026-09-30 02:04:08 5633ms 3 NS 1 A 2 MX 🔓 Insecure
2026-09-26 13:37:46 639ms 3 NS 1 A 2 MX 🔓 Insecure
2026-09-02 16:09:23 636ms 3 NS 1 A 2 MX 🔓 Insecure
2026-07-26 00:49:26 shown 6651ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-26 05:34:17 1059ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-17 14:24:11 638ms 3 NS 1 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone