ysys.dk

📜 Historical scan 2026-10-02 17:16:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ysys.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 17 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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#

2 records 1434ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 1470ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.17	3600s	splash.dandomain.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.17
🔶 Autoconfig	212.237.249.17

🔷 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 2026-10-08 05:30:23

www	212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ysys.dk: 212.237.249.17 (AS48854) www.ysys.dk: 212.237.249.17 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1910ms

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

🏷️ SOA#

259ms

Field	Value
Serial	2025091704
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 00:38:28

Field	Value
Registrar	DANDOMAIN A/S
Registered	2025-09-17
Expires	2027-09-16 (333d)

📋 WHOIS#

⏱️ Lookup Timing#

1434ms

1470ms

1770ms

AAAA

78ms

TXT

2012ms

CAA

834ms

HTTPS

624ms

TLSA

157ms

SOA

259ms

MTA-STS

709ms

DNSSEC

1910ms

SRV

949ms

Total

3462ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:30:23	368ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-02 17:16:58 shown	3462ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-29 17:03:50	326ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 00:49:50	408ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-25 20:51:17	445ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-26 10:22:32	449ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-23 23:30:53	991ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 20:52:58	579ms	2 NS 1 A 0 MX	🔒 Secure