cashu.dk

📜 Historical scan 2026-08-08 17:31:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cashu.dk is a .dk domain served by 3 nameservers (ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu). It was registered on 13 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.213 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mx10.active24.cz, mx20.active24.cz. The zone is DNSSEC-signed and validates, has no 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#

3 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.websupport.cz	2a10:bbc0::11 45.10.97.11	ns1.websupport.eu ns1.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns2.websupport.cz	185.71.159.12 2a02:250:3::12	ns2.websupport.eu ns2.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns3.websupport.eu	2a10:bbc0::13 45.10.97.13	ns3.websupport.eu ns3.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.9.175.213	600s	ing.r4.websupport.cz	AS51013	WebSupport s.r.o.	37.9.168.0/21	🇸🇰 Slovakia	—

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx10.active24.cz	2a00:4b40:aaaa:2101:45:13:137:85 45.13.137.85	— mx10.active24.cz	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.
100	600s	mx20.active24.cz	2a00:4b40:aaaa:2101:45:13:137:86 45.13.137.86	— mx20.active24.cz	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	web.prod.bts.websupport.sk → 37.9.169.173
🔶 Autoconfig	web.prod.bts.websupport.sk → 37.9.169.172

🔷 AAAA Records (IPv6)#

1 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4b40:aaaa:2011::6	600s	—	AS51013	WebSupport s.r.o.	2a00:4b40:0:0:0:0:0:0/32	🇸🇰 Slovakia	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 113ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	web.prod.bts.websupport.sk

📝 TXT Records#

1 records 321ms

TXT Record
v=spf1 a mx include:_spf.websupport.cz -all

✉️ SPF#

Policy	Record (cashu.dk)
-all (hard fail)	v=spf1 a mx include:_spf.websupport.cz -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#

latest probe, not this scan · checked 2026-10-10 03:29:14

www	37.9.175.213 2a00:4b40:aaaa:2011::6 (AS51013) (address records, no CNAME)
www vs bare domain	Same network cashu.dk: 37.9.175.213 2a00:4b40:aaaa:2011::6 (AS51013) www.cashu.dk: 37.9.175.213 2a00:4b40:aaaa:2011::6 (AS51013)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	1752165996
Primary NS (MNAME)	ns1.websupport.cz
Responsible (RNAME)	admin@websupport.cz
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-14 23:10:22

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2025-07-13
Expires	2027-07-12 (261d)

🔗 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#

49ms

48ms

AAAA

60ms

TXT

321ms

CAA

66ms

HTTPS

53ms

TLSA

634ms

SOA

0ms

MTA-STS

79ms

DNSSEC

84ms

SRV

113ms

Total

2244ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 14:44:43	1042ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-30 14:36:11	2649ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-26 13:48:00	2728ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-11 12:47:33	2076ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-04 05:12:52	2193ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-27 19:44:31	3001ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-10 07:21:06	1641ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-08 17:31:11 shown	2244ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-26 16:52:34	17889ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-14 13:15:35	17846ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-12 09:06:40	1591ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-25 03:34:29	2819ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-20 21:27:33	598ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-16 19:36:24	841ms	3 NS 1 A 2 MX	🔒 Secure