btnf.dk

📜 Historical scan 2026-06-16 17:30:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btnf.dk is a .dk domain served by 4 nameservers (ns.kleinweb.dk, ns2.kleinweb.dk, ns3.kleinweb.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a 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#

4 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.kleinweb.dk	—	—	—
ns2.kleinweb.dk	—	—	—
ns3.kleinweb.dk	—	—	—
ns4.kleinweb.dk	—	—	—

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.100	—	vm1176.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 170ms

TXT Record
v=spf1 include:spf.simply.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (btnf.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.btnf.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-08 05:09:03

www	NXDOMAIN
www vs bare domain	www does not resolve btnf.dk: 185.21.40.100 (AS48854) www.btnf.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 50ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

152ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2025080505
Primary NS (MNAME)	ns.kleinweb.dk
Responsible (RNAME)	hostmaster@kleinweb.dk
Refresh	7200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

62ms

58ms

47ms

AAAA

71ms

TXT

170ms

CAA

45ms

HTTPS

45ms

TLSA

50ms

SOA

71ms

MTA-STS

91ms

DNSSEC

152ms

SRV

0ms

Total

480ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 01:57:53	344ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-28 01:18:03	630ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-04 05:08:40	453ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 15:22:19	2674ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 10:32:30	587ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 07:04:57	927ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:30:14	569ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:37:55	1566ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:30:59	3765ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:30:50 shown	480ms	4 NS 1 A 1 MX	🔓 Insecure