bkarlsen.dk DNS records

🖥️ Nameservers2 records 41ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.187	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	bkarlsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 2a01:111:f403:ca09::7 52.101.68.15 52.101.68.18 52.101.68.39 52.101.73.11	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.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)1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:80da:7485:8356:2138	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

🔌 SRV Records1 records 73ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 208ms

TXT Record
MS=ms75476715
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (bkarlsen.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

🔗 TLSA / DANE

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

🔐 DNSSEC132ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081409
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

41ms

A

47ms

MX

45ms

AAAA

39ms

TXT

208ms

CAA

52ms

HTTPS

80ms

TLSA

379ms

SOA

0ms

MTA-STS

92ms

DNSSEC

132ms

SRV

73ms

Total

1061ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:08:09	1061ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 13:56:39	3955ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 09:09:54	2645ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 19:09:40	2621ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 11:40:18	25139ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 10:38:32	7204ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 10:03:09	5288ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 21:53:12	860ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 11:21:58	886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:44:26	2544ms	2 NS 1 A 1 MX	🔒 Secure	View