bt-k.dk DNS records

🖥️ Nameservers3 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.wordpress.com	198.181.116.9 2a04:fa87:ffff::c6b5:7409	ns1.wordpress.com ns1.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc
ns2.wordpress.com	198.181.117.9 2a04:fa87:ffff::c6b5:7509	ns2.wordpress.com ns2.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc
ns3.wordpress.com	192.0.74.9 2620:115:c00f::c000:4a09	ns3.wordpress.com ns3.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc

🌍 A Records2 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.0.78.24	300s	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco
192.0.78.25	300s	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	btk-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::26 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.27 52.101.68.5 52.101.73.15	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.40
🔶 Autoconfig	bt-k.dk → 192.0.78.25

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

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

📝 TXT Records2 records 284ms

TXT Record
MS=ms79534923
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (bt-k.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.bt-k.dk	bt-k.dk

🔗 TLSA / DANE

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

🔐 DNSSEC147ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2005071858
Primary NS (MNAME)	ns1.wordpress.com
Responsible (RNAME)	hostmaster@wordpress.com
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

89ms

MX

74ms

AAAA

62ms

TXT

284ms

CAA

91ms

HTTPS

56ms

TLSA

385ms

SOA

0ms

MTA-STS

118ms

DNSSEC

147ms

SRV

89ms

Total

1343ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:25:58	1343ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 10:31:54	2535ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 09:02:06	866ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 17:43:56	4011ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:34:07	1940ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:30:57	716ms	3 NS 2 A 1 MX	🔓 Insecure	View