lkn-byg.dk DNS records

🖥️ Nameservers2 records 40ms

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 Records1 records 58ms

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 Records1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lknbyg-dk0i.mail.eo.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.16 52.101.73.15 52.101.73.2	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 198ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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

NS

40ms

A

58ms

MX

64ms

AAAA

39ms

TXT

198ms

CAA

59ms

HTTPS

61ms

TLSA

386ms

SOA

0ms

MTA-STS

69ms

DNSSEC

109ms

SRV

90ms

Total

1174ms

🕐 Scan History

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