sejlerskole.dk

📜 Historical scan 2026-06-23 20:14:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejlerskole.dk is a .dk domain with no delegation in this scan. It was registered on 12 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

🖥️

No NS records found

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-24 23:02:07

www	77.111.241.107 2a02:2350:5:104:805e:7043:f575:cf51 (AS51468) (address records, no CNAME)
www vs bare domain	Same network sejlerskole.dk: 77.111.241.107 2a02:2350:5:104:805e:7043:f575:cf51 (AS51468) www.sejlerskole.dk: 77.111.241.107 2a02:2350:5:104:805e:7043:f575:cf51 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

455ms

Check	Result
Validation Status	Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown).
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-20 19:26:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-03-12
Expires	2027-03-31 (156d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
sailingschool.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

159ms

152ms

AAAA

218ms

TXT

492ms

CAA

181ms

HTTPS

162ms

TLSA

19ms

SOA

189ms

MTA-STS

173ms

DNSSEC

455ms

SRV

265ms

Total

1159ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 23:02:07	653ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-20 19:09:58	496ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-30 18:49:57	669ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-27 17:54:31	789ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-21 08:23:13	1822ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-07 06:57:22	5110ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-03 00:23:25	775ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-26 18:17:30	1734ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-26 07:36:19	927ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 05:45:05	1145ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-23 20:14:13 shown	1159ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:34:59	1082ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 08:13:43	3086ms	2 NS 1 A 4 MX	🔒 Secure