castolin.dk

📜 Historical scan 2026-06-16 19:46:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

castolin.dk is a .dk domain served by 2 nameservers (anton.ns.cloudflare.com, millie.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.41 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
anton.ns.cloudflare.com	—	—	—
millie.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.41	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.25	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5129	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8a19	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.41,172.67.138.25 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5129,2606:4700:3037::ac43:8a19

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 01:29:04

www	104.21.81.41 172.67.138.25 2606:4700:3030::ac43:8a19 2606:4700:3031::6815:5129 (AS13335) (address records, no CNAME)
www vs bare domain	Same network castolin.dk: 104.21.81.41 172.67.138.25 2606:4700:3030::ac43:8a19 2606:4700:3031::6815:5129 (AS13335) www.castolin.dk: 104.21.81.41 172.67.138.25 2606:4700:3030::ac43:8a19 2606:4700:3031::6815:5129 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2406986554
Primary NS (MNAME)	anton.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

40ms

38ms

AAAA

37ms

TXT

138ms

CAA

37ms

HTTPS

34ms

TLSA

69ms

SOA

30ms

MTA-STS

69ms

DNSSEC

114ms

SRV

0ms

Total

420ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 01:29:04	2353ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 17:22:51	625ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 14:40:32	1531ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 10:38:49	10089ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 10:54:32	630ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 23:47:58	2411ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-14 05:50:17	1779ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-20 22:32:35	862ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 06:00:11	1622ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 06:48:59	785ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 19:46:45 shown	420ms	2 NS 2 A 0 MX	🔓 Insecure