kjaer-knudsen.dk

📜 Historical scan 2026-09-11 19:19:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kjaer-knudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 146.20.26.116 is hosted by Rackspace Hosting (AS27357) in United States. Mail is handled by kjaerknudsen-dk01c.mail.protection.outlook.com. 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 50ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
146.20.26.116	3600s	—	AS27357	Rackspace Hosting	146.20.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kjaerknudsen-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::a 2a01:111:f403:ca38::a 52.101.103.36 52.101.68.15 52.101.91.159 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 134ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (kjaer-knudsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 18:19:25

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks kjaer-knudsen.dk: 146.20.26.116 (AS27357) www.kjaer-knudsen.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091101
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 2026-10-15 00:47:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-04-24
Expires	2027-04-30 (184d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

50ms

33ms

30ms

AAAA

44ms

TXT

134ms

CAA

26ms

HTTPS

36ms

TLSA

297ms

SOA

0ms

MTA-STS

51ms

DNSSEC

121ms

SRV

64ms

Total

994ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 18:19:25	2389ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 19:19:19 shown	994ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:47:19	1678ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 20:50:07	9581ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 13:47:53	1023ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 08:20:33	9260ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 13:18:41	1899ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:17:38	841ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 18:56:30	4255ms	2 NS 1 A 1 MX	🔒 Secure