btk.dk DNS records

🖥️ Nameservers2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.107.246.52	3600s	—	AS8075	Microsoft Corporation	13.107.240.0/21	🇺🇸 United States	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	btk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.3 52.101.73.28 52.101.73.4	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 128ms

TXT Record
MS=ms57423217
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (btk.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)

🔐 DNSSEC136ms

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

🏷️ SOA62ms

Field	Value
Serial	2026012302
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

39ms

MX

58ms

AAAA

50ms

TXT

128ms

CAA

50ms

HTTPS

54ms

TLSA

869ms

SOA

62ms

MTA-STS

88ms

DNSSEC

136ms

SRV

82ms

Total

1586ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 15:00:58	1586ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 16:07:24	1566ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 11:14:18	1255ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:20:06	1199ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:12:54	1000ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:50:37	1890ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:44:50	3422ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:30:21	661ms	2 NS 1 A 1 MX	🔒 Secure	View