opgavebasen.dk

📜 Historical scan 2026-09-14 15:16:57  ·  ← Latest scan
⬇ 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 opgavebasen.dk. The zone is not DNSSEC-signed, publishes a 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#

3 records   36ms
NameserverIP addressesPTRASN / 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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.178 14400s web6.e-studio.dk AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s opgavebasen.dk 193.200.90.178 web6.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover193.200.90.178
🔶 Autoconfig193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   57ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   158ms
TXT Record
v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

latest probe, not this scan · checked 2026-10-09 16:50:52
www CNAMEopgavebasen.dk (all on opgavebasen.dk)
www vs bare domainSame network
opgavebasen.dk: 193.200.90.178 (AS62121)
www.opgavebasen.dk: 193.200.90.178 (AS62121)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.opgavebasen.dk GAONb4VpXZFLEr5DRAfIPUjxlW2utdtzrsgq1J3oWmA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026091403
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 04:00:26
FieldValue
Registrardns.services ApS
Registered2026-07-01
Expires2027-06-30 (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).

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

⏱️ Lookup Timing#

NS
36ms
A
47ms
MX
52ms
AAAA
38ms
TXT
158ms
CAA
44ms
HTTPS
37ms
TLSA
49ms
SOA
0ms
MTA-STS
48ms
DNSSEC
98ms
SRV
57ms
Total
534ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-04 10:51:14 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 shown 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
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