bluetec.dk

📜 Historical scan 2026-06-16 15:17:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluetec.dk is a .dk domain served by 3 nameservers (ns1.ravn-hjemmesider.dk, ns2.ravn-hjemmesider.dk, ns3.ravn-hjemmesider.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by bluetec.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

3 records 430ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ravn-hjemmesider.dk	—	—	—
ns2.ravn-hjemmesider.dk	—	—	—
ns3.ravn-hjemmesider.dk	—	—	—

🌍 A Records#

1 records 420ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.157.210	—	server2.ravn-hjemmesider.dk	AS24940	—	—	—	Falkenstein

📧 MX Records#

1 records 415ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	bluetec.dk	144.76.157.210	server2.ravn-hjemmesider.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 432ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:200:30d1::2	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 721ms

TXT Record
v=spf1 a mx +ip4:94.130.16.45 +ip4:94.130.16.45 +include:relay.mailchannels.net ?all

✉️ SPF#

Policy	Record (bluetec.dk)
?all (neutral)	v=spf1 a mx +ip4:94.130.16.45 +ip4:94.130.16.45 +include:relay.mailchannels.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 2026-10-09 04:41:28

www CNAME	bluetec.dk (all on bluetec.dk) → 144.76.157.210 2a01:4f8:200:30d1::2 (AS24940)
www vs bare domain	Same network bluetec.dk: 144.76.157.210 2a01:4f8:200:30d1::2 (AS24940) www.bluetec.dk: 144.76.157.210 2a01:4f8:200:30d1::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

573ms

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

🏷️ SOA#

385ms

Field	Value
Serial	2026051601
Primary NS (MNAME)	ns1.ravn-hjemmesider.dk
Responsible (RNAME)	asger@ravn-hjemmesider.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

430ms

420ms

415ms

AAAA

432ms

TXT

721ms

CAA

384ms

HTTPS

341ms

TLSA

179ms

SOA

385ms

MTA-STS

447ms

DNSSEC

573ms

SRV

0ms

Total

2042ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 23:33:28	1064ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-27 07:55:08	930ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-18 22:03:24	1180ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-05 18:57:46	2448ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-17 05:30:17	1083ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 21:15:39	898ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 01:54:51	1181ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 10:36:24	849ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:17:01 shown	2042ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:10:45	1402ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:05:51	700ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:01:05	610ms	3 NS 1 A 1 MX	🔓 Insecure