lkn-byg.dk

Records from scan: 2026-10-01 00:02:39 · 685ms total · last checked 2026-10-16 23:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lkn-byg.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. Its website address 185.21.41.123 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by lknbyg-dk0i.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.123	600s	prolinux6.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lknbyg-dk0i.mail.eo.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca21::c 52.101.185.114 52.101.185.21 52.101.185.24 52.101.73.155	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 161ms

TXT Record
v=spf1 ip4:5.103.13.90 ip4:40.68.36.243 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (lkn-byg.dk)
~all (soft fail)	v=spf1 ip4:5.103.13.90 ip4:40.68.36.243 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.lkn-byg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:tjmpklk7@ag.eu.dmarcian.com; ruf=mailto:tjmpklk7@fr.eu.dmarcian.com;

📬 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#

checked 2026-10-01 00:02:39

www	Address record (no CNAME)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-lknbyg-dk0i._domainkey.lknbygdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

75ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2026092501
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

37ms

57ms

AAAA

62ms

TXT

161ms

CAA

51ms

HTTPS

55ms

TLSA

95ms

SOA

44ms

MTA-STS

61ms

DNSSEC

75ms

SRV

70ms

Total

685ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:02:39 shown	685ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 11:44:00	665ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:12:46	737ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:34:08	1174ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:35:36	5868ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 19:33:25	5515ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 01:48:48	17666ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 14:23:15	4621ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 14:49:10	2152ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 20:40:26	4692ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 10:52:24	4968ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:50:44	3600ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:31:17	1133ms	2 NS 1 A 1 MX	🔒 Secure