opgavebasen.dk

Records from scan: 2026-10-04 10:51:14 · 471ms total · last checked 2026-10-16 12:25 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opgavebasen.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 1 July 2026 (WHOIS) and first appeared in the .dk zone on 2 July 2026. Its website address 193.200.90.178 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 more. The zone is not DNSSEC-signed, publishes a 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#

3 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.178	14400s	web6.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

4 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	3600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43	mx3.spamfri.dk mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S
40	3600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.178
🔶 Autoconfig	193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 56ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 123ms

TXT Record
v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (opgavebasen.dk)
-all (hard fail)	v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.opgavebasen.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 16:50:52

www CNAME	opgavebasen.dk (all on opgavebasen.dk) → 193.200.90.178 (AS62121)
www vs bare domain	Same network opgavebasen.dk: 193.200.90.178 (AS62121) www.opgavebasen.dk: 193.200.90.178 (AS62121)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 56ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

87ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026091611
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-14 04:00:26

Field	Value
Registrar	dns.services ApS
Registered	2026-07-01
Expires	2027-06-30 (256d)

🔗 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).

Domain	Registrar
leinstein.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

35ms

AAAA

38ms

TXT

123ms

CAA

37ms

HTTPS

34ms

TLSA

56ms

SOA

40ms

MTA-STS

56ms

DNSSEC

87ms

SRV

56ms

Total

471ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 10:51:14 shown	471ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-21 16:49:24	894ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-14 15:16:57	534ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-11 13:09:34	886ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-07 16:36:01	756ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-31 13:33:04	1427ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-29 21:09:55	1843ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 14:16:47	424ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 13:36:49	532ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-23 14:35:19	4923ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 10:20:29	10254ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 10:11:52	4589ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-20 10:08:18	3621ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 08:08:34	1528ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 07:26:48	1620ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 18:47:06	10625ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-14 14:53:04	2078ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-12 05:29:35	2455ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-10 22:20:08	4642ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-09 08:08:10	1378ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-06 02:05:27	1587ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-03 07:56:45	9978ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-02 04:54:46	9405ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-28 14:41:22	10166ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 13:58:57	1628ms	3 NS 0 A 0 MX	❓ Unknown