matfessor.dk

📜 Historical scan 2026-08-16 02:02:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

matfessor.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 11 May 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 134.213.60.44 is hosted by Rackspace Ltd. (AS15395) in United Kingdom. The zone is not DNSSEC-signed, 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   196ms
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#

1 records   236ms
IPTTLPTRASNISP / OrgCIDRCountryCity
134.213.60.44 300s — AS15395 Rackspace Ltd. 134.213.0.0/16 🇬🇧 United Kingdom —

📧 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 2026-10-19 11:04:37
www CNAMEmatfessor.dk (all on matfessor.dk)
www vs bare domainSame network
matfessor.dk: 134.213.60.44 (AS15395)
www.matfessor.dk: 134.213.60.44 (AS15395)
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.matfessor.dk m9lu6ARGx7EsHqZfLifuVxS2G4qaXIDY0rnUDoeH0uo
TXT _acme-challenge.matfessor.dk yWffzRHp5UHS35-_yvovKksSZL5dxR8kd4FLFx4hriY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

353ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412300718
Primary NS (MNAME)cortney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 20:42:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-05-11
Expires2027-05-31 (223d)

🔗 Same registrant#

184 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)
alineadigital.dkPunktum dk A/S (direct)
alvids.dkPunktum dk A/S (direct)
athene.dkPunktum dk A/S (direct)
bingoweb.dkPunktum dk A/S (direct)
biologifocus.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-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)
dmmatematik.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)
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)
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)
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
i-skolebogen.dkPunktum dk A/S (direct)
ilaes.dkPunktum dk A/S (direct)
innovationfaget.dkEurodns S.A
innovationsfaget.dkEurodns S.A
iskolebog.dkPunktum dk A/S (direct)
isprog.dkPunktum dk A/S (direct)
istav.dkPunktum dk A/S (direct)

Showing 100 of 184.

📋 WHOIS#

⏱️ Lookup Timing#

NS
196ms
A
236ms
MX
185ms
AAAA
211ms
TXT
442ms
CAA
229ms
HTTPS
228ms
TLSA
417ms
SOA
0ms
MTA-STS
263ms
DNSSEC
353ms
SRV
241ms
Total
2442ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 11:04:37 715ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-01 08:15:55 583ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-12 22:52:20 825ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-23 14:09:40 2257ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-20 13:02:27 10051ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-16 02:02:43 shown 2442ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-15 16:48:47 927ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-18 03:33:50 823ms 2 NS 1 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone