bt-if.dk

Records from scan: 2026-09-23 23:16:38 · 3158ms total · last checked 2026-10-16 19:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bt-if.dk is a .dk domain served by 2 nameservers (ns7.bricksite.net, ns8.bricksite.net). It was registered on 7 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.20.91 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.bt-if.dk.cust.a.hostedemail.com. The zone is not DNSSEC-signed, 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 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns7.bricksite.net	35.246.226.10	10.226.246.35.bc.googleusercontent.com	AS396982 Google LLC
ns8.bricksite.net	35.242.190.82	82.190.242.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.20.91	3600s	static.91.20.76.144.clients.your-server.de	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mx.bt-if.dk.cust.a.hostedemail.com	216.40.42.4	mx.hostedemail.com	AS15348 Tucows.com Co.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	bt-if.dk → 144.76.20.91
🔶 Autoconfig	bt-if.dk → 144.76.20.91

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 276ms

TXT Record
v=spf1 include:_spf.hostedemail.com ~all

✉️ SPF#

Policy	Record (bt-if.dk)
~all (soft fail)	v=spf1 include:_spf.hostedemail.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 2026-10-11 11:29:16

www CNAME	bt-if.dk (all on bt-if.dk) → 144.76.20.91 (AS24940)
www vs bare domain	Same network bt-if.dk: 144.76.20.91 (AS24940) www.bt-if.dk: 144.76.20.91 (AS24940)
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-if.dk	bt-if.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2054ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024042501
Primary NS (MNAME)	ns7.bricksite.net
Responsible (RNAME)	hostmaster@bricksite.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 21:26:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-12-07
Expires	2026-12-31 (74d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

60ms

59ms

57ms

AAAA

61ms

TXT

276ms

CAA

63ms

HTTPS

66ms

TLSA

732ms

SOA

0ms

MTA-STS

63ms

DNSSEC

2054ms

SRV

132ms

Total

3158ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 23:16:38 shown	3158ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 11:40:33	3218ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 21:57:03	1601ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 00:20:46	981ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:34:04	3313ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:33:30	1994ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:30:24	1038ms	2 NS 1 A 1 MX	🔓 Insecure