dmmatematik.dk

Records from scan: 2026-10-17 19:25:35  ·  1155ms total  ·  last checked 2026-10-21 05:36 (unchanged)
⬇ 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 not DNSSEC-signed, 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#

2 records   116ms
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#

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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.dmmatematik.dk IEaWkvq73xeUqPyAdwO8djaKg3esgR6Izr-nvWA9jYE
TXT _acme-challenge.dmmatematik.dk ZoP2iV_DlKw1bBVnmwTX9GLXyKWUcv6j0-Kb28oboQw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

286ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

88ms
FieldValue
Serial2417668198
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 (10d)

🔗 Same registrant#

207 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)
bliv-klog.dkPunktum dk A/S (direct)
blivklog.dkPunktum dk A/S (direct)
bog.dkPunktum dk A/S (direct)
bookguide.dkPunktum dk A/S (direct)
bornsliv.dkPunktum dk A/S (direct)
camptysk.dkPunktum dk A/S (direct)
carlsen.dkPunktum dk A/S (direct)
classteam.dkPunktum dk A/S (direct)
clio.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
dansk-historie.dkEurodns S.A
dansk-skolen.dkEurodns S.A
danskfessor.dkPunktum dk A/S (direct)
dansklandskabet.dkPunktum dk A/S (direct)
danskskole.dkEurodns S.A
danskskolen.dkEurodns S.A
dansktime.dkEurodns S.A
danskunivers.dkPunktum dk A/S (direct)
denførstelæsning.dkPunktum dk A/S (direct)
didaktiker.dkPunktum dk A/S (direct)
differentiering.dkPunktum dk A/S (direct)
digitalfaget.dkEurodns S.A
dmiklassematematik.dkPunktum dk A/S (direct)
dmimatematik.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)
engelskfaget.dkEurodns S.A
engelskfessor.dkPunktum dk A/S (direct)
engelskskoleordbog.dkPunktum dk A/S (direct)
engelskunivers.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)
fessordysten.dkPunktum dk A/S (direct)
fessorsaktiviteter.dkPunktum dk A/S (direct)
fessorsfamilie.dkPunktum dk A/S (direct)
fessorskurser.dkPunktum dk A/S (direct)
fessorstalkuffert.dkPunktum dk A/S (direct)
filmabc.dkPunktum dk A/S (direct)
fleksbog.dkPunktum dk A/S (direct)
fleksbogen.dkPunktum dk A/S (direct)
flexbog.dkPunktum dk A/S (direct)
fmb.dkPunktum dk A/S (direct)
foraeldrematematik.dkPunktum dk A/S (direct)
forfatter.dkPunktum dk A/S (direct)
forlagetturbo.dkPunktum dk A/S (direct)
forlagmallingbeck.dkPunktum dk A/S (direct)
forlagsliv.dkPunktum dk A/S (direct)
formatnet.dkPunktum dk A/S (direct)
fotomat.dkPunktum dk A/S (direct)
franskfessor.dkPunktum dk A/S (direct)
fysik-kemi-timen.dkEurodns S.A
fysik-kemifokus.dkPunktum dk A/S (direct)
fysiktalent.dkPunktum dk A/S (direct)
gekko-engelsk.dkPunktum dk A/S (direct)
gekko-fransk.dkPunktum dk A/S (direct)
gekko-tysk.dkPunktum dk A/S (direct)
gekkotysk.dkPunktum dk A/S (direct)
geografifocus.dkPunktum dk A/S (direct)
geografitimen.dkEurodns S.A
gymnasie-klar.dkPunktum dk A/S (direct)
gymnasie-portalen.dkPunktum dk A/S (direct)
gymnasieklar.dkPunktum dk A/S (direct)
haandvaerkdesignfaget.dkEurodns S.A
historieunivers.dkPunktum dk A/S (direct)
håndværkdesignfaget.dkEurodns S.A

Showing 100 of 207.

📋 WHOIS#

⏱️ Lookup Timing#

NS
116ms
A
151ms
MX
103ms
AAAA
163ms
TXT
356ms
CAA
160ms
HTTPS
99ms
TLSA
95ms
SOA
88ms
MTA-STS
179ms
DNSSEC
286ms
SRV
184ms
Total
1155ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 19:25:35 shown 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 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