bluu.dk

Records from scan: 2026-10-13 14:43:09  ·  843ms total  ·  last checked 2026-10-20 04:19 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 2 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   102ms

🌍 A Records#

🌍
No A records found

📧 MX Records#

2 records   137ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx01.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx01.mail.icloud.com
mx02.mail.icloud.com
mx3.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
ic4-privaterelay.appleid.com
smtp1.ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
10 3600s mx02.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx3.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
smtp1.ic4-privaterelay.appleid.com
ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   171ms
TXT Record
apple-domain=re2rujmOgAC9CvOi
v=spf1 include:icloud.com ~all

✉️ SPF#

PolicyRecord (bluu.dk)
~all (soft fail) v=spf1 include:icloud.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#

checked 2026-10-13 14:43:09
wwwNXDOMAIN
www vs bare domainNeither resolves
bluu.dk: no address
www.bluu.dk: no address
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

108ms
FieldValue
Serial2026101200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-03 11:40:50
FieldValue
RegistrarSimply.com A/S
Registered2025-03-02
Expires2027-03-01 (132d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
102ms
A
115ms
MX
137ms
AAAA
119ms
TXT
171ms
CAA
103ms
HTTPS
111ms
TLSA
64ms
SOA
108ms
MTA-STS
120ms
DNSSEC
189ms
SRV
135ms
Total
843ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 14:43:09 shown 843ms 3 NS 0 A 2 MX 🔒 Secure
2026-10-07 23:51:48 393ms 3 NS 0 A 2 MX 🔒 Secure
2026-10-04 11:47:20 584ms 3 NS 0 A 2 MX 🔒 Secure
2026-10-03 11:10:22 495ms 3 NS 0 A 2 MX 🔒 Secure
2026-09-30 11:05:45 571ms 3 NS 0 A 2 MX 🔒 Secure
2026-09-27 04:11:45 624ms 3 NS 0 A 2 MX 🔒 Secure
2026-09-20 11:04:23 581ms 3 NS 0 A 2 MX 🔒 Secure
2026-06-25 16:04:15 692ms 3 NS 0 A 2 MX 🔒 Secure
2026-06-24 01:31:46 1131ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 19:45:49 1151ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 15:05:22 839ms 3 NS 0 A 2 MX 🔒 Secure
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