bt-k.dk

📜 Historical scan 2026-06-21 10:31:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bt-k.dk is a .dk domain served by 3 nameservers (ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com). It was registered on 26 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.0.78.24 is hosted by Automattic, Inc (AS2635) in United States. Mail is handled by btk-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 103ms

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 Records#

2 records 85ms

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 Records#

1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	btk-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::e 52.101.68.18 52.101.68.29 52.101.73.11 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am0pr04cu00500.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	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 Records#

1 records 379ms

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

📝 TXT Records#

2 records 353ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 22:10:14

www CNAME	bt-k.dk (all on bt-k.dk) → 192.0.78.24 192.0.78.25 (AS2635)
www vs bare domain	Same network bt-k.dk: 192.0.78.24 192.0.78.25 (AS2635) www.bt-k.dk: 192.0.78.24 192.0.78.25 (AS2635)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 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)

🔐 DNSSEC#

220ms

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

🏷️ SOA#

95ms

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#

WHOIS fetched 2026-10-11 01:10:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-12-26
Expires	2026-12-31 (64d)

📋 WHOIS#

⏱️ Lookup Timing#

103ms

85ms

100ms

AAAA

104ms

TXT

353ms

CAA

107ms

HTTPS

91ms

TLSA

1212ms

SOA

95ms

MTA-STS

97ms

DNSSEC

220ms

SRV

379ms

Total

2535ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 22:10:14	1605ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-26 09:25:58	1343ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-21 10:31:54 shown	2535ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-21 09:02:06	866ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 17:43:56	4011ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:34:07	1940ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:30:57	716ms	3 NS 2 A 1 MX	🔓 Insecure