cassidy.dk

📜 Historical scan 2026-06-16 19:43:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cassidy.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 19 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.105.228.104 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	—	—	—
ns2.dandomain.dk	—	—	—

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.105.228.104	—	—	AS8075	Microsoft Corporation	51.104.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 64.233.164.27	lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 156ms

TXT Record
d43nyztl0qsrvx8g9m775262dy1jz3wc
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

Policy	Record (cassidy.dk)
?all (neutral)	v=spf1 include:spf.dandomain.dk ?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 2026-10-09 01:26:06

www CNAME	yellow-meadow-05b862303.4.azurestaticapps.net (all on azurestaticapps.net) → 51.105.228.104 (AS8075)
www vs bare domain	Same network cassidy.dk: 51.105.228.104 (AS8075) www.cassidy.dk: 51.105.228.104 (AS8075)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2024013105
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 09:13:45

Field	Value
Registrar	DANDOMAIN A/S
Registered	2003-03-19
Expires	2028-03-31 (528d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

43ms

82ms

AAAA

46ms

TXT

156ms

CAA

43ms

HTTPS

36ms

TLSA

79ms

SOA

35ms

MTA-STS

38ms

DNSSEC

56ms

SRV

0ms

Total

478ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 21:31:05	569ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 18:15:10	585ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 06:31:45	490ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:23:46	805ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 10:22:21	861ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:06:53	1159ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 17:17:12	848ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 19:43:12 shown	478ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:40:55	585ms	2 NS 1 A 1 MX	🔒 Secure