knowing.dk

📜 Historical scan 2026-06-18 06:01:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knowing.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.44.153 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mail.knowing.dk. 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 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.178.44.153	—	—	AS8075	Microsoft Corporation	52.160.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.knowing.dk	52.178.44.153	—	AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	52.178.44.153
🔶 Autoconfig	52.178.44.153

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 251ms

TXT Record
jens bach jacobsen tlf +45 25446455

✉️ 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 2026-10-07 20:22:19

www	NXDOMAIN
www vs bare domain	Neither resolves knowing.dk: no address www.knowing.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

70ms

Field	Value
Serial	2026061001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 22:54:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-03-07
Expires	2027-05-31 (225d)

🔗 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
wallboard.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

111ms

40ms

AAAA

66ms

TXT

251ms

CAA

42ms

HTTPS

38ms

TLSA

67ms

SOA

70ms

MTA-STS

41ms

DNSSEC

56ms

SRV

140ms

Total

615ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 19:09:04	415ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-24 02:39:05	597ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-26 11:06:47	448ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-25 02:13:49	640ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-29 23:53:23	716ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-25 17:22:32	523ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 16:29:57	1101ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:01:45 shown	615ms	2 NS 1 A 1 MX	🔒 Secure