crussis.dk

📜 Historical scan 2026-08-12 08:40:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crussis.dk is a .dk domain served by 2 nameservers (ns2.blueboard.cz, shinzon.blueboard.cz). It was registered on 14 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.11.249.139 is hosted by CASABLANCA INT a.s. (AS15685) in Czechia. Mail is handled by mx.blueboard.cz. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   253ms
NameserverIP addressesPTRASN / ISP
ns2.blueboard.cz 195.201.57.122
2a01:4f8:13b:8d4::2		 ns2.blueboard.cz
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
shinzon.blueboard.cz 178.251.187.7
2a00:1ed0:45::b		 shinzon.blueboard.cz
shinzon.blueboard.cz		 AS43541 VSHosting s.r.o.
AS43541 VSHosting s.r.o.

🌍 A Records#

1 records   223ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.11.249.139 38400s krios.blueboard.cz AS15685 CASABLANCA INT a.s. 217.11.248.0/23 🇨🇿 Czechia Prague

📧 MX Records#

1 records   227ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.blueboard.cz 2001:1528:240::ca
81.0.209.130		 mx.blueboard.cz
mx.blueboard.cz		 AS15685 CASABLANCA INT a.s.
AS15685 CASABLANCA INT a.s.

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover217.11.249.139
🔶 Autoconfig217.11.249.139

🔷 AAAA Records (IPv6)#

1 records   242ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:1528:240::15 38400s krios.blueboard.cz AS15685 CASABLANCA INT a.s. 2001:1528:0:0:0:0:0:0/32 🇨🇿 Czechia —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   1409ms
TXT Record
v=spf1 a mx include:spf.blueboard.cz -all

✉️ SPF#

PolicyRecord (crussis.dk)
-all (hard fail) v=spf1 a mx include:spf.blueboard.cz -all

📨 DMARC#

PolicyRecord (_dmarc.crussis.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 2026-10-22 12:38:36
www217.11.249.139 2001:1528:240::15 (AS15685) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

424ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2023121565
Primary NS (MNAME)shinzon.blueboard.cz
Responsible (RNAME)hostmaster@blueboard.cz
Refresh10800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-19 08:09:30
FieldValue
RegistrarGransy s.r.o.
Registered2024-03-14
Expires2027-03-13 (141d)

🔗 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
253ms
A
223ms
MX
227ms
AAAA
242ms
TXT
1409ms
CAA
243ms
HTTPS
262ms
TLSA
760ms
SOA
0ms
MTA-STS
316ms
DNSSEC
424ms
SRV
336ms
Total
5047ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 12:38:36 1027ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-20 21:25:31 1051ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-19 07:56:09 903ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-16 05:46:37 9471ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-15 01:57:50 2756ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-14 00:31:43 5326ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-11 20:49:11 7308ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-10 19:11:33 3321ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-07 15:24:51 1818ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-06 21:15:36 8329ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-05 20:29:03 2964ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-04 20:18:06 1761ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-02 20:07:38 986ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-01 20:06:34 4104ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-30 20:01:23 2739ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-28 06:43:30 2430ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-27 06:25:35 4727ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-25 05:49:43 3831ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-24 05:24:21 2581ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-23 02:22:15 5762ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-19 05:35:26 1342ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-10 19:27:15 1976ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-03 17:19:06 11998ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-30 22:49:37 7980ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-29 17:08:33 3846ms 2 NS 1 A 1 MX 🔓 Insecure
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