intensivundervisning.dk

📜 Historical scan 2026-08-14 14:08:50  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

intensivundervisning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.149 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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   259ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   274ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.149 3600s webcluster22.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   261ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod16-cph3.g1i.one.com 5.249.232.33 mx1.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod16-cph3.g1i.one.com 5.249.232.34 mx2.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod16-cph3.g1i.one.com 5.249.232.35 mx3.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod16-cph3.g1i.one.com 5.249.232.36 mx4.mailpod16-cph3.g1i.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   205ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:ab:49e7:a7d9:ae5a 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   493ms
TXT Record
v=spf1 a mx include:_bonacustspf.one.com -all

✉️ SPF#

PolicyRecord (intensivundervisning.dk)
-all (hard fail) v=spf1 a mx include:_bonacustspf.one.com -all

📨 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 2026-10-14 16:07:36
www77.111.240.149 2a02:2350:5:102:ab:49e7:a7d9:ae5a (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   298ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC#

419ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 16:40:31
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-01-13
Expires2027-01-31 (101d)

🔗 Same registrant#

1 domain

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
intensivhjemmeundervisning.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
259ms
A
274ms
MX
261ms
AAAA
205ms
TXT
493ms
CAA
235ms
HTTPS
246ms
TLSA
298ms
SOA
0ms
MTA-STS
328ms
DNSSEC
419ms
SRV
296ms
Total
3524ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 16:07:36 1247ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-18 07:48:03 1192ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-22 21:04:04 1198ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-14 14:08:50 shown 3524ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-18 04:37:35 916ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-10 16:39:14 8822ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 21:08:51 844ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 14:45:44 1824ms 2 NS 1 A 4 MX 🔒 Secure
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