sailextreme.dk

📜 Historical scan 2026-06-17 22:03:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sailextreme.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 21 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

3 records 2042ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 2046ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 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 2026-10-17 04:21:55

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sailextreme.dk: 94.231.103.100 (AS48854) www.sailextreme.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2081ms

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

🏷️ SOA#

2065ms

Field	Value
Serial	2025121401
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-25 00:55:13

Field	Value
Registrar	Simply.com A/S
Registered	2018-02-21
Expires	2027-02-28 (123d)

🔗 Same registrant#

5 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
fynrundt.dk	Simply.com A/S
kerteminde-sejlerskole.dk	Punktum dk A/S (direct)
kerteminde-sejlklub.dk	Simply.com A/S
ks-f.dk	Simply.com A/S
sailx.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

2042ms

2046ms

2067ms

AAAA

2056ms

TXT

2219ms

CAA

2049ms

HTTPS

2058ms

TLSA

66ms

SOA

2065ms

MTA-STS

41ms

DNSSEC

2081ms

SRV

2072ms

Total

2580ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 12:35:27	387ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-30 12:27:32	560ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-30 00:41:12	585ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-27 03:40:28	9348ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-20 11:28:05	405ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-27 09:27:49	613ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-20 15:35:22	777ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 22:03:33 shown	2580ms	3 NS 1 A 0 MX	🔓 Insecure