redblu.dk

📜 Historical scan 2026-08-26 04:45:51  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redblu.dk is a .dk domain served by 2 nameservers (ns1.fozzy.ru, ns2.fozzy.ru). It was registered on 11 March 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.212.232.164 is hosted by JSC Selectel (AS50340) in Russia. Mail is handled by redblu.dk. 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   179ms
NameserverIP addressesPTRASN / ISP
ns1.fozzy.ru 88.212.247.28 ns1.fozzy.ru AS50340 JSC Selectel
ns2.fozzy.ru 88.212.252.178 — AS50340 JSC Selectel

🌍 A Records#

1 records   162ms
IPTTLPTRASNISP / OrgCIDRCountryCity
88.212.232.164 14400s — AS50340 JSC Selectel 88.212.232.0/23 🇷🇺 Russia Moscow

📧 MX Records#

1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s redblu.dk 88.212.232.164 — AS50340 JSC Selectel

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover88.212.232.164
🔶 Autoconfig88.212.232.164

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   323ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 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 2026-10-07 20:09:26
www CNAMEredblu.dk (all on redblu.dk)
www vs bare domainSame network
redblu.dk: 88.212.232.164 (AS50340)
www.redblu.dk: 88.212.232.164 (AS50340)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.redblu.dk FB08IUG4EQFgbYWe2yZBpyK7a2e-Dz0YnaDDz_4BXtQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2072ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2023092101
Primary NS (MNAME)ns1.fozzy.com
Responsible (RNAME)orders@fozzy.com
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 19:06:37
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2015-03-11
Expires2027-03-31 (165d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
179ms
A
162ms
MX
72ms
AAAA
167ms
TXT
599ms
CAA
74ms
HTTPS
180ms
TLSA
329ms
SOA
0ms
MTA-STS
130ms
DNSSEC
2072ms
SRV
323ms
Total
3796ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 20:09:26 2287ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-03 11:44:54 2116ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-25 07:38:07 3251ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-31 14:30:18 10297ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 04:45:51 shown 3796ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-27 05:58:22 1677ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-25 20:22:47 1248ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-24 16:59:00 2294ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-23 05:29:29 1170ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 00:57:13 2638ms 2 NS 1 A 1 MX 🔓 Insecure
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