bt-h.dk

Records from scan: 2026-10-12 23:29:25 · 1060ms total · last checked 2026-10-17 02:31 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bt-h.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by bth-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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 23ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bth-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::8 2a01:111:f403:ca48::e 52.101.103.36 52.101.68.10 52.101.68.12 52.101.68.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.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

🔌 SRV Records#

1 records 39ms

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

📝 TXT Records#

1 records 95ms

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

✉️ SPF#

Policy	Record (bt-h.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#

checked 2026-10-12 23:29:25

www	NXDOMAIN
www vs bare domain	Neither resolves bt-h.dk: no address www.bt-h.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

27ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 23:49:43

Field	Value
Registrar	CURANET A/S
Registered	2015-06-05
Expires	2031-06-30 (1717d)

🔗 Same registrant#

10 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
avenorep.dk	CURANET A/S
bil-skanderborg.dk	CURANET A/S
bstbyg.dk	CURANET A/S
jbk-as.dk	CURANET A/S
jfk-as.dk	CURANET A/S
montageentreprisen.dk	CURANET A/S
okgrafisk.dk	CURANET A/S
papegojen.dk	CURANET A/S
roski.dk	CURANET A/S
sebo.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

23ms

AAAA

28ms

TXT

95ms

CAA

23ms

HTTPS

33ms

TLSA

487ms

SOA

27ms

MTA-STS

44ms

DNSSEC

112ms

SRV

39ms

Total

1060ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:29:25 shown	1060ms	4 NS 0 A 1 MX	🔒 Secure
2026-10-01 12:32:25	1313ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-30 12:28:32	1060ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-28 01:45:28	772ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-07 13:22:24	1522ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-23 17:26:15	805ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-20 16:08:34	938ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 17:51:49	3173ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 17:39:20	2386ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 17:30:59	1183ms	4 NS 0 A 1 MX	🔒 Secure