blue-systems.dk

📜 Historical scan 2026-10-01 04:18:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blue-systems.dk is a .dk domain served by 2 nameservers (fred.ns.cloudflare.com, jill.ns.cloudflare.com). It was registered on 2 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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#

2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
fred.ns.cloudflare.com	108.162.193.113 172.64.33.113 173.245.59.113 2606:4700:58::adf5:3b71 2803:f800:50::6ca2:c171 2a06:98c1:50::ac40:2171	fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jill.ns.cloudflare.com	108.162.192.122 172.64.32.122 173.245.58.122 2606:4700:50::adf5:3a7a 2803:f800:50::6ca2:c07a 2a06:98c1:50::ac40:207a	jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 64.233.161.26	lk-in-x1a.1e100.net lk-in-f26.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 176ms

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

✉️ SPF#

Policy	Record (blue-systems.dk)
~all (soft fail)	v=spf1 include:_spf.google.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#

latest probe, not this scan · checked 2026-10-09 09:48:17

www	NXDOMAIN
www vs bare domain	Neither resolves blue-systems.dk: no address www.blue-systems.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

36ms

Field	Value
Serial	2413694039
Primary NS (MNAME)	fred.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 18:26:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-06-02
Expires	2030-06-30 (1352d)

📋 WHOIS#

⏱️ Lookup Timing#

23ms

31ms

30ms

AAAA

29ms

TXT

176ms

CAA

30ms

HTTPS

41ms

TLSA

84ms

SOA

36ms

MTA-STS

47ms

DNSSEC

93ms

SRV

77ms

Total

622ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:48:17	2590ms	2 NS 0 A 7 MX	🔓 Insecure
2026-10-01 04:18:28 shown	622ms	2 NS 0 A 7 MX	🔓 Insecure
2026-09-03 15:44:34	689ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-28 06:46:46	3048ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-26 00:01:05	963ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-25 11:27:05	2236ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-23 08:49:45	1874ms	2 NS 0 A 7 MX	🔓 Insecure
2026-07-04 16:31:07	5235ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-26 14:58:53	2188ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-16 15:07:44	443ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-16 15:02:16	2126ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-16 15:00:30	4644ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-16 15:00:14	737ms	2 NS 0 A 7 MX	🔓 Insecure