cui.dk

📜 Historical scan 2026-08-21 19:50:32  ·  ← Latest scan
🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cui.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 7 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

4 records   155ms
NameserverIP addressesPTRASN / 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
ns4.simply.com 91.197.248.80 ns4.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

232ms
CheckResult
Validation Status❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-25 03:41:19
FieldValue
RegistrarSimply.com A/S
Registered2019-10-07
Expires2026-10-31 (6d)

🔗 Same registrant#

3 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
ai-historier.dkSimply.com A/S
horizonai.dkSimply.com A/S
impnd.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
155ms
A
156ms
MX
140ms
AAAA
183ms
TXT
738ms
CAA
145ms
HTTPS
163ms
TLSA
157ms
SOA
131ms
MTA-STS
93ms
DNSSEC
232ms
SRV
173ms
Total
1896ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 05:13:46 1760ms 4 NS 0 A 0 MX ❓ Unknown
2026-09-23 18:09:22 9984ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-23 20:45:07 9041ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-22 20:11:20 2300ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-21 19:50:32 shown 1896ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-20 19:44:17 10377ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-19 18:44:30 2173ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-18 18:42:42 5401ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-17 09:31:57 1703ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-15 02:00:09 5001ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-13 18:22:29 7033ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-12 12:51:59 7947ms 4 NS 0 A 0 MX ❓ Unknown
2026-08-11 07:14:11 4951ms 4 NS 0 A 0 MX ❓ Unknown
2026-06-24 11:54:18 1185ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-22 23:31:58 1159ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 23:50:10 460ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-16 23:10:54 409ms 4 NS 1 A 0 MX 🔒 Secure
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