castolin.dk

📜 Historical scan 2026-09-19 14:40:32 · ← 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 113ms

Nameserver	IP addresses	PTR	ASN / ISP
anton.ns.cloudflare.com	108.162.195.175 162.159.44.175 172.64.35.175 2606:4700:58::a29f:2caf 2803:f800:50::6ca2:c3af 2a06:98c1:50::ac40:23af	anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
millie.ns.cloudflare.com	108.162.194.181 162.159.38.181 172.64.34.181 2606:4700:50::a29f:26b5 2803:f800:50::6ca2:c2b5 2a06:98c1:50::ac40:22b5	millie.ns.cloudflare.com millie.ns.cloudflare.com millie.ns.cloudflare.com millie.ns.cloudflare.com millie.ns.cloudflare.com millie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 146ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.41	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.25	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 159ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8a19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:5129	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 104ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.41,172.67.138.25 ech=AEX+DQBB0QAgACCOc/xRH/NTFhuF0DEnLXqIhqpicx2hEG2PH+1sm1RAdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8a19,2606:4700:3031::6815:5129

📝 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.castolin.dk	6q9kz_03fmkk8b4zdKfSP74BH4NepLHYqXat9bWo7mQ
TXT	_acme-challenge.castolin.dk	Mwu60bCWTE7_Uw-MG2irugpHSIQVAs0r8d546kf2E0U

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415293583
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#

113ms

146ms

104ms

AAAA

159ms

TXT

252ms

CAA

138ms

HTTPS

104ms

TLSA

825ms

SOA

0ms

MTA-STS

129ms

DNSSEC

180ms

SRV

145ms

Total

1531ms

🕐 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 shown	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	420ms	2 NS 2 A 0 MX	🔓 Insecure