holt-larsen.dk

📜 Historical scan 2026-06-24 03:37:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holt-larsen.dk is a .dk domain served by 2 nameservers (ns1.heimdns.net, ns2.heimdns.net). It was registered on 14 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.sohola.net. The zone is DNSSEC-signed and validates, 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#

2 records   283ms
NameserverIP addressesPTRASN / ISP
ns1.heimdns.net 2a01:4f9:c013:3e15::53
77.42.80.67		 ns1.heimdns.net
ns1.heimdns.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.heimdns.net 2a01:4f8:c012:84a2::53
88.99.85.105		 ns2.heimdns.net
ns2.heimdns.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   286ms
PriorityTTLMail ServerIP addressesPTRASN
1337 300s mx.sohola.net 213.142.141.225
2a00:b921:1:1337:10:141:0:225		 mx.sohola.net
mx.sohola.net		 AS47527 DLX A/S
AS47527 DLX A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermx.sohola.net → 213.142.141.225
🔶 Autoconfigmx.sohola.net → 213.142.141.225

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   520ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 1 1 443 mx.sohola.net

📝 TXT Records#

1 records   749ms
TXT Record
v=spf1 include:spf.sohola.net -all

✉️ SPF#

PolicyRecord (holt-larsen.dk)
-all (hard fail) v=spf1 include:spf.sohola.net -all

📨 DMARC#

PolicyRecord (_dmarc.holt-larsen.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; rua=mailto:eaa17656@in.mailhardener.com,mailto:dmarc@sohola.net; sp=none; aspf=r

📬 MTA-STS#

737ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID1337
max_age172800s
Policy MXmx.sohola.net

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:eaa17656@in.mailhardener.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 20:13:31
wwwExists, no address
www vs bare domainNeither resolves
holt-larsen.dk: no address
www.holt-larsen.dk: no address
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   140ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.sohola.net DANE-EE · SPKI · SHA-256 B773093E63819E4DD4910A7D61C2F318…

🔐 DNSSEC#

444ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

261ms
FieldValue
Serial2026022702
Primary NS (MNAME)ns1.heimdns.net
Responsible (RNAME)hostmaster@heimdns.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-11 13:37:36
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-03-14
Expires2027-03-31 (155d)

🔗 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
ipbot.dkPunktum dk A/S (direct)
mailpass.dkPunktum dk A/S (direct)
pernilleelisabeth.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
283ms
A
285ms
MX
286ms
AAAA
266ms
TXT
749ms
CAA
245ms
HTTPS
268ms
TLSA
140ms
SOA
261ms
MTA-STS
737ms
DNSSEC
444ms
SRV
520ms
Total
3325ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 12:37:03 2101ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-08 12:31:05 1995ms 3 NS 0 A 1 MX 🔒 Secure
2026-09-29 23:07:16 5563ms 3 NS 0 A 1 MX 🔒 Secure
2026-07-05 21:45:59 3856ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-29 19:58:55 5775ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-29 09:49:21 3946ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-27 12:05:47 2129ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-25 09:37:55 1680ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-24 16:54:12 2943ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-24 03:37:11 shown 3325ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-23 17:04:27 3785ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-22 22:09:23 8440ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-22 15:10:59 2019ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-22 14:38:31 4332ms 2 NS 0 A 1 MX ⚠️ Bogus
2026-06-20 22:26:34 2652ms 2 NS 0 A 1 MX ⚠️ Bogus
2026-06-20 12:03:29 1968ms 2 NS 0 A 1 MX ⚠️ Bogus
2026-06-20 06:42:34 3089ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-17 12:14:27 1279ms 2 NS 0 A 1 MX 🔒 Secure
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