ekstraundervisning.dk

📜 Historical scan 2026-06-17 06:31:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ekstraundervisning.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 28 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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#

4 records 142ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 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 2026-10-07 15:39:18

www	NXDOMAIN
www vs bare domain	Neither resolves ekstraundervisning.dk: no address www.ekstraundervisning.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

382ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

156ms

Field	Value
Serial	2020072990
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-25 21:17:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-07-28
Expires	2031-07-31 (1738d)

🔗 Same registrant#

10 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).

Domain	Registrar
firmarengøring.dk	Punktum dk A/S (direct)
flaskevand.dk	Punktum dk A/S (direct)
fodbehandler.dk	Punktum dk A/S (direct)
havelamper.dk	Punktum dk A/S (direct)
hjemmehjælp.dk	Simply.com A/S
høretest.dk	Punktum dk A/S (direct)
høreundersøgelse.dk	Punktum dk A/S (direct)
indlæg.dk	Punktum dk A/S (direct)
ligtorn.dk	Punktum dk A/S (direct)
likey.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

142ms

219ms

206ms

AAAA

165ms

TXT

342ms

CAA

235ms

HTTPS

172ms

TLSA

66ms

SOA

156ms

MTA-STS

230ms

DNSSEC

382ms

SRV

0ms

Total

973ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:39:18	359ms	4 NS 0 A 0 MX	🔒 Secure
2026-09-30 22:58:58	5499ms	4 NS 0 A 0 MX	🔒 Secure
2026-09-07 13:20:03	438ms	4 NS 0 A 0 MX	🔒 Secure
2026-08-28 05:36:17	622ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-24 22:13:53	3764ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-23 13:31:47	950ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 06:31:55 shown	973ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-17 06:30:29	345ms	4 NS 0 A 0 MX	🔒 Secure