lubker.dk DNS records

🖥️ Nameservers2 records 74ms

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 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.45	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	1440s	lubker-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::a 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.209.153 52.101.68.29 52.101.73.26 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	46.30.213.45

🔷 AAAA Records (IPv6)1 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:8069:1cfe:a456:b7c1	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 220ms

TXT Record
google-site-verification=b0ubjfNSULnmv2Vo7Ba0aQrygYSqHx4t27RMYIyECaE
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (lubker.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.lubker.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+q9odu5ageog@dmarc.postmarkapp.com; sp=quarantine; aspf=r; ruf=mailto:dockfix@lubker.dk;

📬 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)

🔐 DNSSEC113ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
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

74ms

A

67ms

MX

47ms

AAAA

83ms

TXT

220ms

CAA

65ms

HTTPS

37ms

TLSA

380ms

SOA

0ms

MTA-STS

79ms

DNSSEC

113ms

SRV

107ms

Total

1111ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:00:56	1111ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 16:22:12	3784ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 15:15:07	1904ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 22:03:26	18670ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 04:05:35	789ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:47:57	838ms	2 NS 1 A 1 MX	🔒 Secure	View