matematikklar.dk

📜 Historical scan 2026-06-23 05:13:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

matematikklar.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 25 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.216 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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#

4 records   40ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.216 3600s linux314.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover93.191.156.216
🔶 Autoconfig93.191.156.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-02 08:01:11
wwwAddress record (no CNAME)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

131ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

82ms
FieldValue
Serial2024021500
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-15 19:35:14
FieldValue
RegistrarSimply.com A/S
Registered2020-06-25
Expires2027-06-30 (254d)

🔗 Same registrant#

118 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
aabc.dkPunktum dk A/S (direct)
aabcshop.dkSimply.com A/S
aarhus-handelsskole.dkPunktum dk A/S (direct)
aarhus-kobmandsskole.dkPunktum dk A/S (direct)
aarhus-koebmandsskole.dkPunktum dk A/S (direct)
aarhusbusinesscollege.dkPunktum dk A/S (direct)
aarhuserhvervsskole.dkPunktum dk A/S (direct)
aarhusks.dkPunktum dk A/S (direct)
ai-in-a-box.dkAarhus Business College
ak-studweb.dkPunktum dk A/S (direct)
aktiv-elev.dkSimply.com A/S
amu-læringsudbytte.dkSimply.com A/S
amueva-mooc.dkSimply.com A/S
amuproever.dkPunktum dk A/S (direct)
amuprøver.dkPunktum dk A/S (direct)
avenbuild.dkPunktum dk A/S (direct)
avenquest.dkAarhus Business College
avenx.dkPunktum dk A/S (direct)
barnloeshed.dkONE.COM A/S
bce.dkAarhus Business College
biztec.dkAarhus Business College
biztek.dkPunktum dk A/S (direct)
blaahue.dkPunktum dk A/S (direct)
businesscentret.dkPunktum dk A/S (direct)
cisco-academy.dkPunktum dk A/S (direct)
cisco-networking-academy.dkPunktum dk A/S (direct)
cisco-university.dkPunktum dk A/S (direct)
citm.dkPunktum dk A/S (direct)
ct-i-undervisningen.dkPunktum dk A/S (direct)
cyberklar.dkPunktum dk A/S (direct)
detadministrativefaellesskab.dkPunktum dk A/S (direct)
deterhvervsfagligeeksperimentarium.dkPunktum dk A/S (direct)
digitalhandel.dkAarhus Business College
doef.dkPunktum dk A/S (direct)
ecomlab.dkAarhus Business College
ecomtrainer.dkPunktum dk A/S (direct)
efif.dkPunktum dk A/S (direct)
efif365.dkPunktum dk A/S (direct)
esic.dkPunktum dk A/S (direct)
etueud.dkPunktum dk A/S (direct)
etufgu.dkPunktum dk A/S (direct)
etugym.dkPunktum dk A/S (direct)
etupc.dkPunktum dk A/S (direct)
etuvuc.dkPunktum dk A/S (direct)
eux-brobygning.dkPunktum dk A/S (direct)
euxbizcup.dkAarhus Business College
euxbrobygning.dkPunktum dk A/S (direct)
euxgymnasiet.dkPunktum dk A/S (direct)
evidencenter.dkPunktum dk A/S (direct)
fashionwithpassion.dkPunktum dk A/S (direct)
forstå-erp.dkPunktum dk A/S (direct)
forståerp.dkPunktum dk A/S (direct)
forvaltningsmetroen.dkAarhus Business College
green-action.dkPunktum dk A/S (direct)
greenaction.dkPunktum dk A/S (direct)
greenfluencers.dkAarhus Business College
grøn-handling.dkPunktum dk A/S (direct)
grønhandling.dkPunktum dk A/S (direct)
grønnecases.dkSimply.com A/S
handelsfagskolen.dkPunktum dk A/S (direct)
hhxpress.dkPunktum dk A/S (direct)
hvadererp.dkPunktum dk A/S (direct)
hvordannelse.dkPunktum dk A/S (direct)
innovationogsamarbejde.dkSimply.com A/S
it-differentiering.dkPunktum dk A/S (direct)
it-servicedesk.dkPunktum dk A/S (direct)
ithelpdesk.dkPunktum dk A/S (direct)
itipaedagogiskpraksis.dkSimply.com A/S
itservicedesk.dkPunktum dk A/S (direct)
ituf.dkPunktum dk A/S (direct)
kobmandsskole.dkPunktum dk A/S (direct)
koebmandsskole.dkPunktum dk A/S (direct)
koebmandsskolen.dkPunktum dk A/S (direct)
kursus-i-ct.dkPunktum dk A/S (direct)
købmandsskole.dkPunktum dk A/S (direct)
laegesekretaerkonferencer.dkPunktum dk A/S (direct)
matematikkensunivers.dkSimply.com A/S
matematikkensverden.dkPunktum dk A/S (direct)
merkantiludvikling.dkAarhus Business College
mstkurser.dkPunktum dk A/S (direct)
mtuapv.dkPunktum dk A/S (direct)
myservicedesk.dkPunktum dk A/S (direct)
netlearning.dkPunktum dk A/S (direct)
perssys.dkPunktum dk A/S (direct)
pit-forskernetværk.dkSimply.com A/S
ressys.dkPunktum dk A/S (direct)
rideakademiet.dkPunktum dk A/S (direct)
screeningogtest.dkPunktum dk A/S (direct)
skabrelationer.dkPunktum dk A/S (direct)
spilværdig.dkSimply.com A/S
sprogscreening.dkAarhus Business College
studsys.dkPunktum dk A/S (direct)
talenter-i-detail.dkPunktum dk A/S (direct)
talenteridetail.dkPunktum dk A/S (direct)
talenteridetailhandlen.dkPunktum dk A/S (direct)
talentprogram.dkAarhus Business College
talentprogrammet.dkAarhus Business College
talents-in-retail.dkPunktum dk A/S (direct)
talents-of-retail.dkPunktum dk A/S (direct)
talentsinretail.dkAarhus Business College

Showing 100 of 118.

📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
53ms
MX
43ms
AAAA
53ms
TXT
357ms
CAA
53ms
HTTPS
99ms
TLSA
29ms
SOA
82ms
MTA-STS
74ms
DNSSEC
131ms
SRV
102ms
Total
722ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 08:01:11 574ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-25 06:18:02 457ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-17 23:53:13 2317ms 4 NS 1 A 0 MX 🔒 Secure
2026-08-28 01:02:51 596ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-23 05:13:14 shown 722ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-18 04:49:45 573ms 4 NS 1 A 0 MX 🔒 Secure
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