cashtec.dk DNS records

🖥️ Nameservers2 records 37ms

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 Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.11.249.139	3600s	krios.blueboard.cz	AS15685	CASABLANCA INT a.s.	217.11.248.0/23	🇨🇿 Czechia	Prague

📧 MX Records1 records 40ms

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 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1528:240::15	3600s	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 Records1 records 312ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cashtec.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

🔗 TLSA / DANE

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

🔐 DNSSEC117ms

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

🏷️ SOA0ms

Field	Value
Serial	2024011636
Primary NS (MNAME)	shinzon.blueboard.cz
Responsible (RNAME)	hostmaster@blueboard.cz
Refresh	10800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

42ms

MX

40ms

AAAA

37ms

TXT

312ms

CAA

50ms

HTTPS

42ms

TLSA

1528ms

SOA

0ms

MTA-STS

67ms

DNSSEC

117ms

SRV

105ms

Total

3495ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:21:37	3495ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 19:49:57	5260ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 03:37:33	3286ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 03:07:13	3920ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 00:01:18	6992ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 23:20:10	9285ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 21:35:21	2298ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 02:56:42	11544ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 08:33:27	5070ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 07:03:42	10465ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 13:47:00	2082ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-30 22:24:53	1095ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 03:45:23	2413ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 02:43:38	3374ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 23:38:43	2266ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 08:11:48	8516ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 03:26:53	3261ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 07:50:34	16725ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 00:48:41	3188ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 06:31:46	1601ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 21:57:07	1922ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 17:37:04	1185ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 14:11:29	2501ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 11:52:48	1965ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 09:37:44	2061ms	2 NS 1 A 1 MX	🔓 Insecure	View