essentialthinking.dk

📜 Historical scan 2026-06-28 03:27:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

essentialthinking.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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#

2 records   350ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   359ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.17 3600s splash.dandomain.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover212.237.249.17
🔶 Autoconfig212.237.249.17

🔷 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 2026-10-15 15:29:36
www212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
essentialthinking.dk: 212.237.249.17 (AS48854)
www.essentialthinking.dk: 212.237.249.17 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

564ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

275ms
FieldValue
Serial2024111404
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-16 14:21:38
FieldValue
RegistrarDANDOMAIN A/S
Registered2024-11-14
Expires2026-11-13 (18d)

🔗 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).

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

⏱️ Lookup Timing#

NS
350ms
A
359ms
MX
116ms
AAAA
132ms
TXT
583ms
CAA
261ms
HTTPS
152ms
TLSA
1009ms
SOA
275ms
MTA-STS
390ms
DNSSEC
564ms
SRV
415ms
Total
7566ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 21:05:58 388ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-07 10:10:30 418ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-03 09:27:19 434ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-28 03:27:53 shown 7566ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-22 11:33:17 967ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 08:24:45 312ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-17 08:24:21 410ms 2 NS 1 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone