crussis.dk

📜 Historical scan 2026-09-30 20:01:23 · ← 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 81ms

Nameserver	IP addresses	PTR	ASN / 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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.11.249.139	38400s	krios.blueboard.cz	AS15685	CASABLANCA INT a.s.	217.11.248.0/23	🇨🇿 Czechia	Prague

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

Service	CNAME / IP
🔷 Autodiscover	217.11.249.139
🔶 Autoconfig	217.11.249.139

🔷 AAAA Records (IPv6)#

1 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 345ms

TXT Record
v=spf1 a mx include:spf.blueboard.cz -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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 2026-10-16 05:46:37

www	217.11.249.139 2001:1528:240::15 (AS15685) (address records, no CNAME)
www vs bare domain	Same network crussis.dk: 217.11.249.139 2001:1528:240::15 (AS15685) www.crussis.dk: 217.11.249.139 2001:1528:240::15 (AS15685)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: 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#

102ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

117ms

Field	Value
Serial	2023121604
Primary NS (MNAME)	shinzon.blueboard.cz
Responsible (RNAME)	hostmaster@blueboard.cz
Refresh	10800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-04 20:36:51

Field	Value
Registrar	Gransy s.r.o.
Registered	2024-03-14
Expires	2027-03-13 (147d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

55ms

47ms

AAAA

49ms

TXT

345ms

CAA

82ms

HTTPS

65ms

TLSA

975ms

SOA

117ms

MTA-STS

106ms

DNSSEC

102ms

SRV

130ms

Total

2739ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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
2026-08-27 14:41:38	3330ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 14:01:42	3208ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-23 13:28:27	10390ms	2 NS 1 A 1 MX	🔓 Insecure