opgavemester.dk

📜 Historical scan 2026-10-22 19:27:35  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opgavemester.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was registered on 9 September 2026 (WHOIS) and first appeared in the .dk zone on 10 September 2026. Its website address 162.159.140.98 is hosted by Cloudflare, Inc. (AS13335) in United States. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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   55ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com 172.64.52.210
2606:4700:52::ac40:34d2		 ns1.digitalocean.com
ns1.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns2.digitalocean.com 172.64.53.21
2606:4700:5a::ac40:3515		 ns2.digitalocean.com
ns2.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns3.digitalocean.com 172.64.49.209
2606:4700:52::ac40:31d1		 ns3.digitalocean.com
ns3.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.140.98 60s — AS13335 Cloudflare, Inc. 162.159.128.0/19 🇺🇸 United States —
172.66.0.96 60s — AS13335 Cloudflare, Inc. 172.66.0.0/22 🇺🇸 United States —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   57ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:7::60 60s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/43 🇺🇸 United States San Francisco
2a06:98c1:58::60 60s — AS13335 Cloudflare, Inc. 2a06:98c1:58:0:0:0:0:0/47 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   306ms
TXT Record
google-site-verification=Qg9vX0qT9wCQhgKjvA0cUBwGjQnIZIpuSTH6rZlDwgE
v=spf1 include:_spf.mailersend.net ~all

✉️ SPF#

PolicyRecord (opgavemester.dk)
~all (soft fail) v=spf1 include:_spf.mailersend.net ~all

📨 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 2026-10-24 02:54:34
www CNAMEtimemaster-app-78yj4.ondigitalocean.app (all on ondigitalocean.app)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

62ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@opgavemester.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 19:58:19
FieldValue
RegistrarSimply.com A/S
Registered2026-09-09
Expires2027-09-08 (318d)

🔗 Same registrant#

5 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).

DomainRegistrar
budmester.dkSimply.com A/S
locationlocationlocation.dkSimply.com A/S
ordremester.dkSimply.com A/S
rt7.dkSimply.com A/S
tidsmester.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
52ms
MX
58ms
AAAA
57ms
TXT
306ms
CAA
54ms
HTTPS
45ms
TLSA
99ms
SOA
62ms
MTA-STS
85ms
DNSSEC
73ms
SRV
91ms
Total
617ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 02:54:34 1734ms 3 NS 2 A 0 MX 🔓 Insecure
2026-10-22 19:27:35 shown 617ms 3 NS 2 A 0 MX 🔓 Insecure
2026-10-03 23:19:36 436ms 3 NS 0 A 0 MX 🔒 Secure
2026-09-17 15:54:05 399ms 3 NS 0 A 0 MX 🔒 Secure
2026-09-10 08:52:09 467ms 3 NS 0 A 0 MX 🔒 Secure
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