dubunder.dk

📜 Historical scan 2026-10-02 10:52:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dubunder.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

3 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 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#

latest probe, not this scan · checked 2026-10-11 15:16:31

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Only www resolves dubunder.dk: no address www.dubunder.dk: 94.231.103.100 (AS48854) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

41ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 21:45:18

Field	Value
Registrar	Simply.com A/S
Registered	2023-05-23
Expires	2027-05-22 (216d)

🔗 Same registrant#

2 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
amtora.dk	Simply.com A/S
hvembunder.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

33ms

40ms

36ms

AAAA

25ms

TXT

116ms

CAA

34ms

HTTPS

26ms

TLSA

22ms

SOA

41ms

MTA-STS

46ms

DNSSEC

129ms

SRV

203ms

Total

528ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 00:10:43	330ms	3 NS 0 A 0 MX	🔓 Insecure
2026-10-02 10:52:39 shown	528ms	3 NS 0 A 0 MX	🔓 Insecure
2026-09-30 10:47:55	535ms	3 NS 0 A 0 MX	🔓 Insecure
2026-09-29 22:38:03	434ms	3 NS 0 A 0 MX	🔓 Insecure
2026-07-02 00:03:14	573ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-17 04:55:21	341ms	3 NS 0 A 0 MX	🔓 Insecure