bluetail.dk

📜 Historical scan 2026-06-16 15:00:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluetail.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 14 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no 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#

5 records   64ms
NameserverIP addressesPTRASN / ISP
ns1.brandshelter.com — — —
ns2.brandshelter.de — — —
ns3.brandshelter.info — — —
ns4.brandshelter.net — — —
ns5.brandshelter.us — — —

🌍 A Records#

🌍
No A records found

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 11:06:04
wwwNXDOMAIN
www vs bare domainNeither resolves
bluetail.dk: no address
www.bluetail.dk: no address
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

153ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

56ms
FieldValue
Serial2022021400
Primary NS (MNAME)ns1.brandshelter.com
Responsible (RNAME)tech@brandshelter.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-19 12:28:54
FieldValue
RegistrarKey-Systems GmbH
Registered2022-02-14
Expires2027-02-13 (115d)

🔗 Same registrant#

17 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).

DomainRegistrar
barbaras.dkKey-Systems GmbH
carlsberg-brewhouse.dkKey-Systems GmbH
carlsbergbryghus.dkKey-Systems GmbH
carlsbergconferencecentre.dkKey-Systems GmbH
carlsbergexbeerience.dkKey-Systems GmbH
carlsbergexperience.dkKey-Systems GmbH
carlsbergnordic.dkKey-Systems GmbH
carlsolbar.dkKey-Systems GmbH
cdk-offtrade.dkKey-Systems GmbH
copenhagenexbeerience.dkKey-Systems GmbH
craftedby.dkKey-Systems GmbH
drinkthrive.dkKey-Systems GmbH
erdetj-dag.dkKey-Systems GmbH
homeofcarlsberg.dkKey-Systems GmbH
perfectzone.dkKey-Systems GmbH
sqar2.dkKey-Systems GmbH
visitadmin.dkKey-Systems GmbH
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
63ms
MX
55ms
AAAA
64ms
TXT
210ms
CAA
61ms
HTTPS
69ms
TLSA
63ms
SOA
56ms
MTA-STS
57ms
DNSSEC
153ms
SRV
0ms
Total
422ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 11:06:04 520ms 5 NS 0 A 0 MX 🔓 Insecure
2026-09-30 08:46:48 470ms 5 NS 0 A 0 MX 🔓 Insecure
2026-09-19 15:14:31 506ms 5 NS 0 A 0 MX 🔓 Insecure
2026-09-04 07:42:50 9375ms 5 NS 0 A 0 MX 🔓 Insecure
2026-07-01 03:06:07 900ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-27 14:16:40 728ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-19 01:56:22 584ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-16 15:19:10 2116ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-16 15:17:35 1014ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-16 15:06:56 328ms 5 NS 0 A 0 MX 🔓 Insecure
2026-06-16 15:00:46 shown 422ms 5 NS 0 A 0 MX 🔓 Insecure
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