sejlerskab.dk

📜 Historical scan 2026-07-27 15:49:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejlerskab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.142.104.188 is hosted by Microdata Aps (AS204866) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
95.142.104.188	600s	188.160-191.104.142.95.in-addr.arpa web19.oemhost.net	AS204866	Microdata Aps	95.142.104.0/24	🇩🇰 Denmark	—

📧 MX Records#

4 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a07:a80:4:8004::188	600s	web19.oemhost.net	AS34766	atom86 BV	2a07:a80:0:0:0:0:0:0/29	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 140ms

TXT Record
google-site-verification=Jpvwf2q7MzkncRxqg89GPf14yzRqPEUBIu63YfoAbvo
google-site-verification=vfWoAlczFPFDit329lgqV08NPw2llPhOiELmt49eJyA
v=spf1 include:_custspf.one.com include:spf.raymeon.com -all

✉️ SPF#

Policy	Record (sejlerskab.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:spf.raymeon.com -all

📨 DMARC#

Policy	Record (_dmarc.sejlerskab.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-25 00:05:09

www	95.142.104.188 2a07:a80:4:8004::188 (AS34766 AS204866) (address records, no CNAME)
www vs bare domain	Same network sejlerskab.dk: 95.142.104.188 2a07:a80:4:8004::188 (AS34766 AS204866) www.sejlerskab.dk: 95.142.104.188 2a07:a80:4:8004::188 (AS34766 AS204866)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 208ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC#

58ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026072201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-17 09:25:54

Field	Value
Registrar	ONE.COM A/S
Registered	2025-11-05
Expires	2026-11-04 (10d)

🔗 Same registrant#

6 domains

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
convexa.dk	Punktum dk A/S (direct)
gudmundolsson.dk	Punktum dk A/S (direct)
hallengren.dk	Punktum dk A/S (direct)
kairosnav.dk	ONE.COM A/S
klampenborgvej.dk	Punktum dk A/S (direct)
skippermetoden.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

33ms

31ms

AAAA

34ms

TXT

140ms

CAA

33ms

HTTPS

29ms

TLSA

208ms

SOA

24ms

MTA-STS

43ms

DNSSEC

58ms

SRV

35ms

Total

5098ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 00:05:09	739ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-03 00:54:19	580ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-23 14:43:06	4768ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-14 12:32:56	2395ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-08 21:26:56	1094ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-22 05:15:57	5460ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-27 15:49:02 shown	5098ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-23 13:22:19	1253ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-15 06:01:57	1314ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 04:33:23	1668ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 11:36:07	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 04:48:17	1349ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 07:57:46	849ms	2 NS 1 A 4 MX	🔒 Secure