geogebrakursus.dk

📜 Historical scan 2026-06-17 10:04:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

geogebrakursus.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 29 July 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.1.82 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.geogebrakursus.dk. The zone is DNSSEC-signed and validates, publishes a 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   190ms
NameserverIP addressesPTRASN / ISP
ns3.nordicway.dk 2a01:4f8:c2c:d3c0::1
78.47.45.64		 ns3.nordicway.dk
ns3.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.nordicway.dk 2a01:4f8:c010:24a2::1
78.47.56.84		 ns4.nordicway.dk
ns4.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   196ms
IPTTLPTRASNISP / OrgCIDRCountryCity
167.235.1.82 — cp09.nordicway.dk AS24940 Hetzner Online GmbH 167.235.0.0/16 🇩🇪 Germany Falkenstein

📧 MX Records#

1 records   199ms
PriorityTTLMail ServerIP addressesPTRASN
0 — mail.geogebrakursus.dk 167.235.1.82 cp09.nordicway.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   557ms
TXT Record
v=spf1 +a +mx +ip4:167.235.1.82 include:relay.mailchannels.net ~all

✉️ SPF#

PolicyRecord (geogebrakursus.dk)
~all (soft fail) v=spf1 +a +mx +ip4:167.235.1.82 include:relay.mailchannels.net ~all

📨 DMARC#

PolicyRecord (_dmarc.geogebrakursus.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-13 21:46:09
www CNAMEgeogebrakursus.dk (all on geogebrakursus.dk)
www vs bare domainSame network
geogebrakursus.dk: 167.235.1.82 (AS24940)
www.geogebrakursus.dk: 167.235.1.82 (AS24940)
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

264ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

199ms
FieldValue
Serial2026061301
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 21:58:38
FieldValue
Registrarnordicway ApS
Registered2013-07-29
Expires2027-07-31 (283d)

🔗 Same registrant#

43 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
123dansk.dkPunktum dk A/S (direct)
9eren.dkPunktum dk A/S (direct)
abcskole.dkPunktum dk A/S (direct)
aktivmat.dkPunktum dk A/S (direct)
aktivundervisning.dkPunktum dk A/S (direct)
appallies.dkGIGAHOST ApS
appsiundervisningen.dkPunktum dk A/S (direct)
begynderlæsning.dkPunktum dk A/S (direct)
dendigitalefolkeskole.dkPunktum dk A/S (direct)
dendigitaleskole.dkPunktum dk A/S (direct)
denrummeligeskole.dkGIGAHOST ApS
descriptio.dkSimply.com A/S
digibar.dkPunktum dk A/S (direct)
e-laering.dkGIGAHOST ApS
educreate.dkPunktum dk A/S (direct)
eimv.dknordicway ApS
geogebraopgaver.dkPunktum dk A/S (direct)
ggbopgaver.dkPunktum dk A/S (direct)
hjaelpemidlerimatematik.dknordicway ApS
hjaelpemidlertilmatematik.dknordicway ApS
hjælpemidlerimatematik.dknordicway ApS
hjælpemidlertilmatematik.dknordicway ApS
i-undervisning.dkPunktum dk A/S (direct)
iaundervisning.dkPunktum dk A/S (direct)
it-lærernetværket.dkPunktum dk A/S (direct)
japelt.dkPunktum dk A/S (direct)
laeratkode.dkPunktum dk A/S (direct)
lærernetværket.dkPunktum dk A/S (direct)
matematikmedhjaelpemidler.dknordicway ApS
materialesamlingen.dkGIGAHOST ApS
minecraftiskolen.dkPunktum dk A/S (direct)
playfulllearning.dkGIGAHOST ApS
programmeringiskolen.dkPunktum dk A/S (direct)
shortlink.dkPunktum dk A/S (direct)
snurl.dkGIGAHOST ApS
sproghylden.dkPunktum dk A/S (direct)
sproglærernesdag.dkPunktum dk A/S (direct)
supercas.dkPunktum dk A/S (direct)
takkehilsen.dknordicway ApS
tgch.dkPunktum dk A/S (direct)
tidligalgebra.dknordicway ApS
viskabermening.dknordicway ApS
web2res.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
190ms
A
196ms
MX
199ms
AAAA
191ms
TXT
557ms
CAA
205ms
HTTPS
199ms
TLSA
199ms
SOA
199ms
MTA-STS
98ms
DNSSEC
264ms
SRV
0ms
Total
1158ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 21:46:09 745ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-14 15:05:00 2835ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-25 21:56:35 1456ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 02:11:32 1114ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 11:47:26 964ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 10:04:49 shown 1158ms 2 NS 1 A 1 MX 🔒 Secure
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