opgavehaefter.dk

📜 Historical scan 2026-08-12 03:31:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opgavehaefter.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 70ms

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 87ms

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#

1 records 3383ms

TXT Record
google-site-verification=dBB7PPs7-gDyW0p1uUDM8UcIzRFqdo1BXtmewvJFrUg

✉️ 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 2026-10-17 11:39:40

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

187ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1786478592
Primary NS (MNAME)	ns1.ordbogen.com
Responsible (RNAME)	hostmaster@opgavehaefter.dk
Refresh	16384s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-15 00:57:36

Field	Value
Registrar	Key-Systems GmbH
Registered	2025-02-06
Expires	2030-02-05 (1203d)

🔗 Same registrant#

79 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)
opgavehæfte.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
ordbogne.dk	Punktum dk A/S (direct)
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#

70ms

87ms

90ms

AAAA

79ms

TXT

3383ms

CAA

83ms

HTTPS

84ms

TLSA

55ms

SOA

0ms

MTA-STS

153ms

DNSSEC

187ms

SRV

144ms

Total

3772ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 11:39:40	24811ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-02 14:34:14	8327ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-01 00:00:09	25675ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-29 23:46:48	24579ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-18 03:07:35	9312ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-27 08:32:09	8445ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-20 08:01:34	11245ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-19 06:53:33	4704ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-12 03:31:31 shown	3772ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-03 20:17:14	8594ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-29 12:47:07	8757ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-28 03:21:10	8572ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-25 02:02:10	3822ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-23 01:11:28	4118ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-26 18:47:44	8392ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-26 05:37:49	8433ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-23 14:11:43	8421ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-17 19:56:22	4558ms	2 NS 1 A 0 MX	🔓 Insecure