specialkurser.dk

📜 Historical scan 2026-08-31 23:58:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

specialkurser.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 3 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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#

5 records   60ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 ns1.gigahost.dk AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records   188ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3599s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverspecialkurser.dk → 46.183.138.100
🔶 Autoconfigspecialkurser.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   318ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

2 records   259ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

PolicyRecord (specialkurser.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

PolicyRecord (_dmarc.specialkurser.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#

latest probe, not this scan · checked 2026-10-15 03:42:37
www CNAMEspecialkurser.dk (all on specialkurser.dk)
www vs bare domainSame network
specialkurser.dk: 46.183.138.100 (AS47292)
www.specialkurser.dk: 46.183.138.100 (AS47292)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.specialkurser.dk specialkurser.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

225ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@specialkurser.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-15 03:58:09
FieldValue
RegistrarGIGAHOST ApS
Registered2025-02-03
Expires2027-02-02 (102d)

🔗 Same registrant#

51 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
112foto.dkPunktum dk A/S (direct)
365nyt.dkGIGAHOST ApS
artikelbureauet.dkPunktum dk A/S (direct)
chatclub.dkPunktum dk A/S (direct)
coachzone.dkPunktum dk A/S (direct)
cphstar.dkONE.COM A/S
dagensgang.dkSimply.com A/S
dagensvaluta.dkGIGAHOST ApS
dansksjov.dkGIGAHOST ApS
daz.dkONE.COM A/S
energyhealing.dkONE.COM A/S
englishnet.dkPunktum dk A/S (direct)
ferievedvesterhavet.dkGIGAHOST ApS
frederikssundposten.dkPunktum dk A/S (direct)
freelancefotografen.dkGIGAHOST ApS
gratis-biorytmer.dkGIGAHOST ApS
gratiswebtv.dkPunktum dk A/S (direct)
guldborgsundnyt.dkGIGAHOST ApS
holbaek2013.dkPunktum dk A/S (direct)
holbæk2013.dkPunktum dk A/S (direct)
holbækguiden.dkGIGAHOST ApS
hotv.dkPunktum dk A/S (direct)
kbhavis.dkGIGAHOST ApS
ledelseogcoaching.dkGIGAHOST ApS
localmedia.dkSimply.com A/S
lokalwebtv.dkPunktum dk A/S (direct)
lovescope.dkGIGAHOST ApS
minavis.dkGIGAHOST ApS
mind2body.dkPunktum dk A/S (direct)
minkostvejleder.dkGIGAHOST ApS
mitsydsjaelland.dkGIGAHOST ApS
mob24.dkPunktum dk A/S (direct)
net10.dkPunktum dk A/S (direct)
netavisensjaelland.dkPunktum dk A/S (direct)
netavisensjælland.dkPunktum dk A/S (direct)
nyhedsradio.dkONE.COM A/S
ordsjov.dkPunktum dk A/S (direct)
passwordgenerator.dkGIGAHOST ApS
praktiserendezoneterapeuter.dkGIGAHOST ApS
radioweekend.dkONE.COM A/S
reikibehandlinger.dkGIGAHOST ApS
reikiuniverset.dkGIGAHOST ApS
screentv.dkGIGAHOST ApS
spilkazoo.dkGIGAHOST ApS
sportsradio.dkPunktum dk A/S (direct)
sprogdialog.dkGIGAHOST ApS
superlover.dkGIGAHOST ApS
trivselsteamet.dkGIGAHOST ApS
vcsu.dkPunktum dk A/S (direct)
vejrudsigten.dkGIGAHOST ApS
zenlyd.dkGIGAHOST ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
60ms
A
188ms
MX
58ms
AAAA
187ms
TXT
259ms
CAA
52ms
HTTPS
60ms
TLSA
67ms
SOA
0ms
MTA-STS
58ms
DNSSEC
225ms
SRV
318ms
Total
897ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 03:42:37 784ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 10:45:50 1148ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 22:37:09 914ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-30 22:27:03 1000ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 10:06:30 9480ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-21 22:58:16 933ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-19 07:08:59 1274ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-12 04:14:27 830ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-08 09:24:47 1284ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-31 23:58:39 shown 897ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-27 02:47:38 687ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-26 02:21:06 1982ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-20 08:27:40 1139ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-14 00:41:20 4289ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-06 21:10:07 1127ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 19:14:18 9949ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-17 03:31:15 17195ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-09 20:39:06 1417ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-03 18:08:52 1112ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-26 08:28:49 1777ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-24 23:36:56 772ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-18 05:29:54 2562ms 5 NS 1 A 3 MX ⚠️ Bogus
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