knowledgeleader.dk

📜 Historical scan 2026-09-04 20:24:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knowledgeleader.dk is a .dk domain served by 4 nameservers (ns-1105.awsdns-10.org, ns-1550.awsdns-01.co.uk, ns-221.awsdns-27.com and 1 more). It was registered on 21 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.10.143.78 is hosted by Amazon.com, Inc. (AS16509) in United States. 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#

4 records   90ms
NameserverIP addressesPTRASN / ISP
ns-1105.awsdns-10.org 205.251.196.81
2600:9000:5304:5100::1		 ns-1105.awsdns-10.org
ns-1105.awsdns-10.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1550.awsdns-01.co.uk 205.251.198.14
2600:9000:5306:e00::1		 ns-1550.awsdns-01.co.uk
ns-1550.awsdns-01.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-221.awsdns-27.com 205.251.192.221
2600:9000:5300:dd00::1		 ns-221.awsdns-27.com
ns-221.awsdns-27.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-779.awsdns-33.net 205.251.195.11
2600:9000:5303:b00::1		 ns-779.awsdns-33.net
ns-779.awsdns-33.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.

🌍 A Records#

1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.10.143.78 3600s ec2-52-10-143-78.us-west-2.compute.amazonaws.com AS16509 Amazon.com, Inc. 52.8.0.0/13 🇺🇸 United States Boardman

📧 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 2026-10-13 23:50:29
www CNAMEknowledgeleader.dk (all on knowledgeleader.dk)
www vs bare domainSame network
knowledgeleader.dk: 52.10.143.78 (AS16509)
www.knowledgeleader.dk: 52.10.143.78 (AS16509)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1
Primary NS (MNAME)ns-221.awsdns-27.com
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-17 10:26:46
FieldValue
RegistrarCSC Digital Brand Service, Inc
Registered2006-11-21
Expires2026-11-30 (41d)

🔗 Same registrant#

16 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
accountemps.dkCSC Digital Brand Service, Inc
officeteam.dkCSC Digital Brand Service, Inc
protivit.dkCSC Digital Brand Service, Inc
protiviticonsulting.dkCSC Digital Brand Service, Inc
rhimr.dkCSC Digital Brand Service, Inc
rhmr.dkCSC Digital Brand Service, Inc
roberthalfengineering.dkCSC Digital Brand Service, Inc
roberthalfexecutivesearch.dkCSC Digital Brand Service, Inc
roberthalffa.dkCSC Digital Brand Service, Inc
roberthalffinanceandaccounting.dkCSC Digital Brand Service, Inc
roberthalfinternational.dkCSC Digital Brand Service, Inc
roberthalfl.dkCSC Digital Brand Service, Inc
roberthalflegal.dkCSC Digital Brand Service, Inc
roberthalfmanagement.dkCSC Digital Brand Service, Inc
roberthalfsalesandmarketing.dkCSC Digital Brand Service, Inc
thecreativegroup.dkCSC Digital Brand Service, Inc
📋 WHOIS#

⏱️ Lookup Timing#

NS
90ms
A
38ms
MX
36ms
AAAA
81ms
TXT
434ms
CAA
43ms
HTTPS
88ms
TLSA
303ms
SOA
0ms
MTA-STS
62ms
DNSSEC
99ms
SRV
139ms
Total
5966ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 20:14:20 2979ms 4 NS 1 A 0 MX 🔓 Insecure
2026-09-30 08:22:43 2877ms 4 NS 1 A 0 MX 🔓 Insecure
2026-09-21 03:28:49 3096ms 4 NS 1 A 0 MX 🔓 Insecure
2026-09-04 20:24:48 shown 5966ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-27 00:03:49 727ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-18 08:25:40 950ms 4 NS 1 A 0 MX 🔓 Insecure
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