dmmatematik.dk

📜 Historical scan 2026-06-22 12:33:31  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dmmatematik.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 4 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is of unknown DNSSEC status, 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#

2 records   49ms
NameserverIP addressesPTRASN / ISP
cortney.ns.cloudflare.com 108.162.192.87
172.64.32.87
173.245.58.87
2606:4700:50::adf5:3a57
2803:f800:50::6ca2:c057
2a06:98c1:50::ac40:2057		 cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com 108.162.193.112
172.64.33.112
173.245.59.112
2606:4700:58::adf5:3b70
2803:f800:50::6ca2:c170
2a06:98c1:50::ac40:2170		 eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

🌍
No A records found

📧 MX Records#

📧
No MX records found

🔷 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 2026-10-17 19:25:35
wwwNXDOMAIN
www vs bare domainNeither resolves
dmmatematik.dk: no address
www.dmmatematik.dk: no address
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

57ms
FieldValue
Serial2407257940
Primary NS (MNAME)cortney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 13:01:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-10-04
Expires2026-10-31 (5d)

🔗 Same registrant#

300 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
0klasse.dkEurodns S.A
0klassefaget.dkEurodns S.A
1094.dkPunktum dk A/S (direct)
5emner.dkPunktum dk A/S (direct)
5nyeemner.dkPunktum dk A/S (direct)
ad-dev.dkPunktum dk A/S (direct)
ad-prod.dkPunktum dk A/S (direct)
ad-staging.dkPunktum dk A/S (direct)
ad-test.dkPunktum dk A/S (direct)
afgangsprøver.dkEurodns S.A
aigo.dkPunktum dk A/S (direct)
alinea-web.dkPunktum dk A/S (direct)
alinea.dkPunktum dk A/S (direct)
alineaakademi.dkPunktum dk A/S (direct)
alineadigital.dkPunktum dk A/S (direct)
alvids.dkPunktum dk A/S (direct)
aschehoug.dkPunktum dk A/S (direct)
athene.dkPunktum dk A/S (direct)
bingoweb.dkPunktum dk A/S (direct)
biologifaget.dkEurodns S.A
biologifocus.dkPunktum dk A/S (direct)
biologiproeven.dkPunktum dk A/S (direct)
bliv-klog.dkPunktum dk A/S (direct)
blivklog.dkPunktum dk A/S (direct)
boegertildrenge.dkPunktum dk A/S (direct)
bog.dkPunktum dk A/S (direct)
bogdk.dkDANDOMAIN A/S
bookguide.dkPunktum dk A/S (direct)
bornsliv.dkPunktum dk A/S (direct)
børnsliv.dkPunktum dk A/S (direct)
campengelsk.dkPunktum dk A/S (direct)
campfransk.dkPunktum dk A/S (direct)
campmat.dkPunktum dk A/S (direct)
campstavning.dkPunktum dk A/S (direct)
camptysk.dkPunktum dk A/S (direct)
carlsen.dkPunktum dk A/S (direct)
carlsencomics.dkPunktum dk A/S (direct)
carlsenklubben.dkPunktum dk A/S (direct)
carlsenpuls.dkPunktum dk A/S (direct)
chrisanderson.dkPunktum dk A/S (direct)
classteam.dkPunktum dk A/S (direct)
clio.dkEurodns S.A
clioafgangsprøver.dkEurodns S.A
cliocloud.dkEurodns S.A
clioevalueringsopgaver.dkEurodns S.A
clionoc.dkEurodns S.A
clioonline.dkEurodns S.A
cliopulten.dkEurodns S.A
clioskole.dkEurodns S.A
clioskyen.dkEurodns S.A
cliotræning.dkEurodns S.A
cliotræningssæt.dkEurodns S.A
coronapåskemaet.dkPunktum dk A/S (direct)
dansk-historie.dkEurodns S.A
dansk-skolen.dkEurodns S.A
danskfessor.dkPunktum dk A/S (direct)
danskhistorie.dkEurodns S.A
dansklandskabet.dkPunktum dk A/S (direct)
danskskole.dkEurodns S.A
danskskolen.dkEurodns S.A
dansktime.dkEurodns S.A
danskunivers.dkPunktum dk A/S (direct)
denfoerstelaesning.dkPunktum dk A/S (direct)
denfoerstelasning.dkPunktum dk A/S (direct)
denførstelæsning.dkPunktum dk A/S (direct)
didaktiker.dkPunktum dk A/S (direct)
differentiering.dkPunktum dk A/S (direct)
digitalbook.dkPunktum dk A/S (direct)
digitalfaget.dkEurodns S.A
dmiklassematematik.dkPunktum dk A/S (direct)
dmimatematik.dkPunktum dk A/S (direct)
dragonball.dkPunktum dk A/S (direct)
e-bookstore.dkPunktum dk A/S (direct)
easyreaders.dkPunktum dk A/S (direct)
edspace.dkPunktum dk A/S (direct)
edulab.dkPunktum dk A/S (direct)
elevlab.dkPunktum dk A/S (direct)
elevunivers.dkPunktum dk A/S (direct)
engelskfaget.dkEurodns S.A
engelskfessor.dkPunktum dk A/S (direct)
engelskskoleordbog.dkPunktum dk A/S (direct)
engelskunivers.dkPunktum dk A/S (direct)
erdugymnasieklar.dkPunktum dk A/S (direct)
erdutalblind.dkPunktum dk A/S (direct)
eskolebog.dkPunktum dk A/S (direct)
europas-historie.dkEurodns S.A
faerdighedsproeven.dkPunktum dk A/S (direct)
familiefessor.dkPunktum dk A/S (direct)
fesor.dkPunktum dk A/S (direct)
fessor.dkPunktum dk A/S (direct)
fessordm.dkPunktum dk A/S (direct)
fessordyst.dkPunktum dk A/S (direct)
fessordysten.dkPunktum dk A/S (direct)
fessorinspiration.dkPunktum dk A/S (direct)
fessorkurser.dkPunktum dk A/S (direct)
fessorløbet.dkPunktum dk A/S (direct)
fessorsaktiviteter.dkPunktum dk A/S (direct)
fessorsfamilie.dkPunktum dk A/S (direct)
fessorskurser.dkPunktum dk A/S (direct)
fessorslounge.dkPunktum dk A/S (direct)

Showing 100 of 300.

📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
43ms
MX
36ms
AAAA
65ms
TXT
157ms
CAA
55ms
HTTPS
32ms
TLSA
38ms
SOA
57ms
MTA-STS
43ms
DNSSEC
57ms
SRV
91ms
Total
648ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 19:25:35 1155ms 2 NS 0 A 0 MX 🔓 Insecure
2026-10-14 12:33:45 974ms 2 NS 0 A 0 MX 🔓 Insecure
2026-08-18 17:51:57 3264ms 2 NS 0 A 0 MX 🔓 Insecure
2026-08-17 09:45:12 3198ms 2 NS 0 A 0 MX 🔓 Insecure
2026-07-01 03:10:42 684ms 2 NS 0 A 0 MX 🔓 Insecure
2026-06-28 13:08:58 1719ms 2 NS 0 A 0 MX 🔓 Insecure
2026-06-22 12:33:31 shown 648ms 2 NS 0 A 0 MX ❓ Unknown
2026-06-20 04:22:36 1284ms 2 NS 0 A 0 MX 🔓 Insecure
2026-06-18 23:47:08 2745ms 2 NS 0 A 0 MX 🔓 Insecure
2026-06-17 03:55:57 289ms 2 NS 0 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone