bluereef.dk

📜 Historical scan 2026-10-07 13:16:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluereef.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 15 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.153.154.38 is hosted by Statens IT (AS58282) in Denmark. 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#

2 records 144ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

1 records 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.153.154.38	3600s	datalogger-test.bygstenergi.dk datalogger.bygstenergi.dk datalogger.xkn.dk demensprisen.dk klagonline.forbrug.dk mitfiskeri.dk parked.sitnet.dk	AS58282	Statens IT	185.153.152.0/22	🇩🇰 Denmark	Copenhagen

📧 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#

1 records 605ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (bluereef.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.bluereef.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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 2026-10-16 01:42:12

www CNAME	bluereef.dk (all on bluereef.dk) → 185.153.154.38 (AS58282)
www vs bare domain	Same network bluereef.dk: 185.153.154.38 (AS58282) www.bluereef.dk: 185.153.154.38 (AS58282)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 12-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

227ms

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

🏷️ SOA#

103ms

Field	Value
Serial	7190
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 06:48:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-10-15
Expires	2027-10-31 (379d)

📋 WHOIS#

⏱️ Lookup Timing#

144ms

120ms

124ms

AAAA

148ms

TXT

605ms

CAA

107ms

HTTPS

123ms

TLSA

140ms

SOA

103ms

MTA-STS

203ms

DNSSEC

227ms

SRV

223ms

Total

17802ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:42:12	2518ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-14 21:47:18	5243ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-13 21:17:37	5087ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-12 18:07:45	17559ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-11 16:48:23	1080ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-10 16:09:54	17853ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-09 14:37:22	1573ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-08 13:55:26	2627ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-07 13:16:40 shown	17802ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-06 07:04:56	1431ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-05 06:47:36	3091ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-04 06:22:29	3323ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-03 06:21:42	5274ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-02 06:20:07	1241ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 06:11:29	17458ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 06:06:41	17398ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-29 05:51:05	17300ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-28 05:30:32	17219ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-27 05:02:51	9434ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 04:42:26	1432ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 04:19:24	9324ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 03:28:56	17281ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-17 11:06:37	17426ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-13 03:40:24	17550ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-08 21:58:57	1335ms	2 NS 1 A 0 MX	🔒 Secure