matematikklar.dk

Records from scan: 2026-10-02 08:01:11  ·  574ms total  ·  last checked 2026-10-17 10:05 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   38ms
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   30ms
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#

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#

125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

33ms
FieldValue
Serial2026100100
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 (255d)

🔗 Same registrant#

106 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-koebmandsskole.dkPunktum dk A/S (direct)
aarhusbusinesscollege.dkPunktum dk A/S (direct)
aarhuserhvervsskole.dkPunktum dk A/S (direct)
ai-in-a-box.dkAarhus Business College
ak-studweb.dkPunktum dk A/S (direct)
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)
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)
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)
ecomtrainer.dkPunktum dk A/S (direct)
efif.dkPunktum dk A/S (direct)
efif365.dkPunktum dk A/S (direct)
esic.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
euxgymnasiet.dkPunktum dk A/S (direct)
fashionwithpassion.dkPunktum dk A/S (direct)
forstå-erp.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)
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
talentsofretail.dkPunktum dk A/S (direct)
tek-erhverv.dkPunktum dk A/S (direct)
tooltrainer.dkAarhus Business College
umveud.dkPunktum dk A/S (direct)
umvgym.dkPunktum dk A/S (direct)
updaiter.dkAarhus Business College
updaitor.dkPunktum dk A/S (direct)
uveva.dkPunktum dk A/S (direct)
varensvej.dkPunktum dk A/S (direct)
ventures.dkPunktum dk A/S (direct)
videncenterformerkantiludvikling.dkAarhus Business College
videnscenterformerkantiludvikling.dkAarhus Business College

Showing 100 of 106.

📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
30ms
MX
49ms
AAAA
37ms
TXT
117ms
CAA
46ms
HTTPS
44ms
TLSA
53ms
SOA
33ms
MTA-STS
58ms
DNSSEC
125ms
SRV
59ms
Total
574ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 08:01:11 shown 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 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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