critical-thinking.dk

📜 Historical scan 2026-07-24 07:34:52 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

critical-thinking.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 8 July 2026 (WHOIS) and first appeared in the .dk zone on 9 July 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#

3 records 73ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

148ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-16 06:35:52

Field	Value
Registrar	Simply.com A/S
Registered	2026-07-08
Expires	2027-07-07 (252d)

🔗 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
criticalthinking.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

73ms

89ms

77ms

AAAA

79ms

TXT

442ms

CAA

64ms

HTTPS

67ms

TLSA

98ms

SOA

35ms

MTA-STS

116ms

DNSSEC

148ms

SRV

154ms

Total

1129ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 17:03:24	1091ms	3 NS 0 A 0 MX	❓ Unknown
2026-09-10 12:58:57	10166ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-23 20:26:13	4524ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 20:06:24	2770ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 19:53:10	9228ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-20 19:47:00	5941ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 18:10:07	4297ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 18:07:47	10483ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-16 21:17:42	3975ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 19:43:13	4956ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-14 14:47:22	1534ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-12 18:47:23	5802ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-11 11:17:22	1343ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-09 10:27:23	10173ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-07 18:10:49	1571ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-03 11:30:02	9366ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-28 17:43:19	1999ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 09:06:42	1299ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-26 08:43:50	9005ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-25 08:09:44	8816ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-24 07:34:52 shown	1129ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-23 07:02:35	1232ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-21 23:32:22	1316ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-20 21:21:47	1072ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-19 11:11:38	3219ms	3 NS 0 A 0 MX	❓ Unknown