opgavehæfte.dk xn--opgavehfte-j6a.dk

Records from scan: 2026-10-17 03:17:47 · 8525ms total · last checked 2026-10-19 05:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opgavehæfte.dk is a .dk domain served by 2 nameservers (ns1.ordbogen.com, ns2.ordbogen.com). It was registered on 6 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.240.88.23 is hosted by Ordbogen A/S (AS198901) in Denmark. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ordbogen.com	91.240.88.19	ns1.ordbogen.com	AS198901 Ordbogen A/S
ns2.ordbogen.com	91.240.88.20	ns2.ordbogen.com	AS198901 Ordbogen A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.240.88.23	600s	—	AS198901	Ordbogen A/S	91.240.88.0/24	🇩🇰 Denmark	—

📧 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 03:17:47

www	91.240.88.23 (AS198901) (address records, no CNAME)
www vs bare domain	Same network opgavehæfte.dk: 91.240.88.23 (AS198901) www.opgavehæfte.dk: 91.240.88.23 (AS198901)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

61ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

30ms

Field	Value
Serial	1792134828
Primary NS (MNAME)	ns1.ordbogen.com
Responsible (RNAME)	hostmaster@xn--opgavehfte-j6a.dk
Refresh	16384s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-15 23:28:04

Field	Value
Registrar	Key-Systems GmbH
Registered	2025-02-06
Expires	2030-02-05 (1204d)

🔗 Same registrant#

78 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
abcchat.dk	Key-Systems GmbH
abchat.dk	Key-Systems GmbH
abcordbogen.dk	Punktum dk A/S (direct)
agile-tools.dk	Key-Systems GmbH
begrebsordbog.dk	Punktum dk A/S (direct)
billedordbog.dk	Punktum dk A/S (direct)
chat.dk	Punktum dk A/S (direct)
dansksvenskordbog.dk	Punktum dk A/S (direct)
educas.dk	Punktum dk A/S (direct)
educhat.dk	Key-Systems GmbH
edukas.dk	Punktum dk A/S (direct)
edutip.dk	Key-Systems GmbH
etsprogsordbog.dk	Punktum dk A/S (direct)
fagordbog.dk	Punktum dk A/S (direct)
forældrechat.dk	Punktum dk A/S (direct)
forældrechatten.dk	Punktum dk A/S (direct)
franskordbog.dk	Punktum dk A/S (direct)
gramatip.dk	Punktum dk A/S (direct)
grammatip.dk	Punktum dk A/S (direct)
grammatiphome.dk	Punktum dk A/S (direct)
homegramar.dk	Key-Systems GmbH
idiomordbog.dk	Punktum dk A/S (direct)
internetordbog.dk	Punktum dk A/S (direct)
italienskordbog.dk	Punktum dk A/S (direct)
just-translate.dk	Punktum dk A/S (direct)
justtranslate.dk	Punktum dk A/S (direct)
kollokationordbog.dk	Punktum dk A/S (direct)
latinordbog.dk	Punktum dk A/S (direct)
leksikografi.dk	Punktum dk A/S (direct)
lektiechat.dk	Punktum dk A/S (direct)
lektiechatten.dk	Punktum dk A/S (direct)
lemmaordbog.dk	Punktum dk A/S (direct)
lexisbook.dk	Punktum dk A/S (direct)
livetrans.dk	Punktum dk A/S (direct)
lærerchat.dk	Punktum dk A/S (direct)
lørnerordbog.dk	Punktum dk A/S (direct)
matematip.dk	Punktum dk A/S (direct)
musikordbog.dk	Punktum dk A/S (direct)
news-skole.dk	Punktum dk A/S (direct)
newsskole.dk	Punktum dk A/S (direct)
offline-ordbog.dk	Punktum dk A/S (direct)
offlineordbog.dk	Punktum dk A/S (direct)
online-ordbog.dk	Punktum dk A/S (direct)
opgavehaefter.dk	Key-Systems GmbH
opgavehæfter.dk	Key-Systems GmbH
ordbgen.dk	Punktum dk A/S (direct)
ordbogen.dk	Punktum dk A/S (direct)
ordbogenas.dk	Punktum dk A/S (direct)
ordbogenlan.dk	Key-Systems GmbH
ordboken.dk	Punktum dk A/S (direct)
ordsom.dk	Punktum dk A/S (direct)
ordsome.dk	Punktum dk A/S (direct)
papirordbog.dk	Punktum dk A/S (direct)
piir.dk	Key-Systems GmbH
produktionsordbog.dk	Punktum dk A/S (direct)
radiærordbog.dk	Punktum dk A/S (direct)
rdbogen.dk	Punktum dk A/S (direct)
receptionsordbog.dk	Punktum dk A/S (direct)
retrogradordbog.dk	Punktum dk A/S (direct)
revisorordbog.dk	Punktum dk A/S (direct)
revisorordbogen.dk	Punktum dk A/S (direct)
spanskordbog.dk	Punktum dk A/S (direct)
stav2.dk	Punktum dk A/S (direct)
svenskdanskordbog.dk	Punktum dk A/S (direct)
svenskordbog.dk	Punktum dk A/S (direct)
technology-denmark.dk	Punktum dk A/S (direct)
tekstretter.dk	Punktum dk A/S (direct)
translive.dk	Punktum dk A/S (direct)
tyskordbog.dk	Punktum dk A/S (direct)
videolektor.dk	Punktum dk A/S (direct)
vikartimen.dk	Punktum dk A/S (direct)
viktorogvennerne.dk	Punktum dk A/S (direct)
webordboken.dk	Punktum dk A/S (direct)
worditapp.dk	Punktum dk A/S (direct)
writeassistance.dk	Punktum dk A/S (direct)
writeassistant.dk	Punktum dk A/S (direct)
økonomiordbog.dk	Punktum dk A/S (direct)
økonomiordbogen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

31ms

AAAA

31ms

TXT

8152ms

CAA

43ms

HTTPS

37ms

TLSA

67ms

SOA

30ms

MTA-STS

45ms

DNSSEC

61ms

SRV

52ms

Total

8525ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 03:17:47 shown	8525ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-01 10:10:57	24552ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-30 10:05:05	24828ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-17 02:07:03	8419ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 19:02:40	8541ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-20 04:44:09	9544ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-19 04:17:45	11107ms	2 NS 1 A 0 MX	❓ Unknown
2026-08-12 08:44:36	5108ms	2 NS 1 A 0 MX	❓ Unknown
2026-08-05 21:17:19	8491ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-29 00:08:49	8457ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-27 22:36:04	8523ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-24 21:30:57	3631ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-22 19:49:59	3808ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-26 18:38:28	8420ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-25 05:01:23	8950ms	2 NS 1 A 0 MX	❓ Unknown
2026-06-23 04:00:24	320ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 01:02:41	8262ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-19 13:10:29	4685ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-19 08:18:39	8417ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 21:58:52	4430ms	2 NS 1 A 0 MX	🔒 Secure