dk-bt.dk

Records from scan: 2026-09-30 16:05:48 · 1230ms total · last checked 2026-10-17 14:45 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

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 43ms

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 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dkbt-dk0e.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::e 52.101.103.162 52.101.68.10 52.101.91.153 52.101.91.162	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.154.136
🔶 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 61ms

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

📝 TXT Records#

2 records 145ms

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#

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#

86ms

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

🏷️ SOA#

30ms

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 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

43ms

44ms

AAAA

44ms

TXT

145ms

CAA

26ms

HTTPS

40ms

TLSA

595ms

SOA

30ms

MTA-STS

74ms

DNSSEC

86ms

SRV

61ms

Total

1230ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:05:48 shown	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	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