bluelinerp.dk

📜 Historical scan 2026-06-16 15:07:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluelinerp.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 23 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by server7175.serverpark.dk. The zone is DNSSEC-signed and validates, 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#

3 records 133ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	—	—	—
ns5.dns-123.net	—	—	—
ns6.dns-123.net	—	—	—

🌍 A Records#

1 records 137ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.175	—	server7175.serverpark.dk	AS44869	—	—	—	Frederiksberg

📧 MX Records#

1 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	server7175.serverpark.dk	5.186.164.175	server7175.serverpark.dk	AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 405ms

TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all

✉️ SPF#

Policy	Record (bluelinerp.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all

📨 DMARC#

Policy	Record (_dmarc.bluelinerp.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-15 19:43:04

www	5.186.164.175 (AS44869) (address records, no CNAME)
www vs bare domain	Same network bluelinerp.dk: 5.186.164.175 (AS44869) www.bluelinerp.dk: 5.186.164.175 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

297ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

157ms

Field	Value
Serial	2025121901
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 22:26:50

Field	Value
Registrar	INTERNET 123 ApS
Registered	2025-12-23
Expires	2026-12-22 (63d)

📋 WHOIS#

⏱️ Lookup Timing#

133ms

137ms

130ms

AAAA

134ms

TXT

405ms

CAA

162ms

HTTPS

153ms

TLSA

143ms

SOA

157ms

MTA-STS

195ms

DNSSEC

297ms

SRV

0ms

Total

1412ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-02 13:39:31	2512ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:21:37	569ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 08:16:21	1024ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 23:51:21	1161ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:48:31	1136ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:07:03 shown	1412ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:07:01	2313ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:01:12	588ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:04	512ms	3 NS 1 A 1 MX	🔒 Secure