lknudsen.dk

📜 Historical scan 2026-06-20 20:31:02 · ← Latest scan

lknudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by lknudsen-dk.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 70ms

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

🌍

No A records found

📧 MX Records

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lknudsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.29 52.101.68.32 52.101.73.153 52.101.73.26	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.213.24
🔶 Autoconfig	autodiscover.outlook.com → 52.97.219.168

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

2 records 229ms

TXT Record
ms74591138
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (lknudsen.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

🔎 SPF check

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.lknudsen.dk	autodiscover.outlook.com

🔗 TLSA / DANE

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

🔐 DNSSEC

116ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA

34ms

Field	Value
Serial	2026060701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

70ms

34ms

AAAA

36ms

TXT

229ms

CAA

45ms

HTTPS

77ms

TLSA

139ms

SOA

34ms

MTA-STS

164ms

DNSSEC

116ms

SRV

206ms

Total

1168ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-11 06:40:36	1711ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-01 09:01:52	1363ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-06 22:08:30	3818ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-11 12:01:09	6234ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-08 12:42:55	1974ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 08:39:13	2341ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 09:27:43	1204ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 20:31:02 shown	1168ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-18 07:49:56	1365ms	2 NS 0 A 1 MX	🔒 Secure