cassidy.dk

Records from scan: 2026-09-29 21:31:05 · 569ms total · last checked 2026-10-18 00:41 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.105.228.104	3600s	—	AS8075	Microsoft Corporation	51.104.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	172.253.130.26 172.253.152.26 172.253.152.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c22::1a 2a00:1450:4010:c22::1b 64.233.164.27 64.233.165.26	yulppbn-in-f26.1e100.net yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lg-in-x1b.1e100.net lg-in-f27.1e100.net yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 136ms

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#

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#

87ms

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

🏷️ SOA#

0ms

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 (529d)

📋 WHOIS#

⏱️ Lookup Timing#

75ms

38ms

34ms

AAAA

42ms

TXT

136ms

CAA

56ms

HTTPS

59ms

TLSA

129ms

SOA

0ms

MTA-STS

41ms

DNSSEC

87ms

SRV

76ms

Total

569ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 21:31:05 shown	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	478ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:40:55	585ms	2 NS 1 A 1 MX	🔒 Secure