dk-bt.dk

📜 Historical scan 2026-08-24 14:31:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dk-bt.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.237.146.48 is hosted by Hostinger International Limited (AS47583) in The Netherlands. Mail is handled by dkbt-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.237.146.48	3600s	—	AS47583	Hostinger International Limited	185.237.144.0/22	🇳🇱 The Netherlands	Meppel

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dkbt-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::d 52.101.68.10 52.101.68.39 52.101.68.5 52.101.73.11	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.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 → 40.104.116.24
🔶 Autoconfig	185.237.146.48

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 51ms

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

📝 TXT Records#

2 records 142ms

TXT Record
MS=ms81127132
v=spf1 include:spf.protection.outlook.com include:spf.surf-town.net -all

✉️ SPF#

Policy	Record (dk-bt.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.surf-town.net -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 2026-10-10 03:06:15

www	185.237.146.48 (AS47583) (address records, no CNAME)
www vs bare domain	Same network dk-bt.dk: 185.237.146.48 (AS47583) www.dk-bt.dk: 185.237.146.48 (AS47583)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

error include:smtp-mail-spf.surftown.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025010201
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 23:00:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-02-22
Expires	2027-02-28 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

41ms

29ms

AAAA

33ms

TXT

142ms

CAA

35ms

HTTPS

46ms

TLSA

581ms

SOA

0ms

MTA-STS

52ms

DNSSEC

116ms

SRV

51ms

Total

1952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:05:48	1230ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 14:55:32	1320ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:49:15	1115ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:31:39 shown	1952ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:43:59	1703ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:40:37	869ms	2 NS 1 A 1 MX	🔒 Secure