sejlhuset.dk

📜 Historical scan 2026-08-13 15:39:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejlhuset.dk is a .dk domain served by 2 nameservers (diana.ns.cloudflare.com, venkat.ns.cloudflare.com). It was registered on 4 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.63 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
diana.ns.cloudflare.com	108.162.194.23 162.159.38.23 172.64.34.23 2606:4700:50::a29f:2617 2803:f800:50::6ca2:c217 2a06:98c1:50::ac40:2217	diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venkat.ns.cloudflare.com	108.162.195.254 162.159.44.254 172.64.35.254 2606:4700:58::a29f:2cfe 2803:f800:50::6ca2:c3fe 2a06:98c1:50::ac40:23fe	venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.63	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:b3d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:303f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.63,172.67.179.214 ech=AEX+DQBB8gAgACBFq1z6chqcGwKJpC7zw+n4Rw0KTfibm5SJWwRORvPHHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b3d6,2606:4700:3037::6815:303f

📝 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 2026-10-11 16:26:50

www	104.21.48.63 172.67.179.214 2606:4700:3035::ac43:b3d6 2606:4700:3037::6815:303f (AS13335) (address records, no CNAME)
www vs bare domain	Same network sejlhuset.dk: 104.21.48.63 172.67.179.214 2606:4700:3035::ac43:b3d6 2606:4700:3037::6815:303f (AS13335) www.sejlhuset.dk: 104.21.48.63 172.67.179.214 2606:4700:3035::ac43:b3d6 2606:4700:3037::6815:303f (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

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	2412041244
Primary NS (MNAME)	diana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 08:32:54

Field	Value
Registrar	101domain GRS Limited
Registered	2026-06-04
Expires	2027-06-03 (221d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

50ms

44ms

AAAA

45ms

TXT

209ms

CAA

50ms

HTTPS

50ms

TLSA

245ms

SOA

0ms

MTA-STS

54ms

DNSSEC

127ms

SRV

140ms

Total

1010ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 16:26:50	2909ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-09 03:03:38	2247ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 00:51:06	2362ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 20:14:36	641ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 08:17:26	729ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-13 15:39:00 shown	1010ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 00:21:01	1087ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-23 22:08:41	1316ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-29 08:22:53	769ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 22:18:55	1440ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 08:24:24	848ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 12:57:32	2603ms	2 NS 2 A 0 MX	🔓 Insecure