leisystem.dk

📜 Historical scan 2026-08-20 17:46:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

leisystem.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was registered on 18 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.12.31.21 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by zonemx.eu. 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#

4 records 241ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-09.azure-dns.com	13.107.236.9 2603:1061:0:700::9	ns1-09.azure-dns.com ns1-09.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-09.azure-dns.net	150.171.21.9 2620:1ec:8ec:700::9	ns2-09.azure-dns.net ns2-09.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-09.azure-dns.org	204.14.183.9 2a01:111:4000:700::9	ns3-09.azure-dns.org ns3-09.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-09.azure-dns.info	208.84.5.9 2620:1ec:bda:700::9	ns4-09.azure-dns.info ns4-09.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

2 records 295ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.12.31.21	3600s	—	AS8075	Microsoft Corporation	51.12.0.0/15	🇸🇪 Sweden	—
51.12.74.2	3600s	—	AS8075	Microsoft Corporation	51.12.0.0/15	🇸🇪 Sweden	—

📧 MX Records#

1 records 230ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	zonemx.eu	85.234.244.107 85.234.244.108 85.234.244.76 85.234.244.77	mx-244-107.tll07.zoneas.eu mx-244-108.tll07.zoneas.eu mx-244-76.tll01.zoneas.eu mx-244-77.tll01.zoneas.eu	AS49604 Zone Media OU AS49604 Zone Media OU AS49604 Zone Media OU AS49604 Zone Media OU

🔷 AAAA Records (IPv6)#

1 records 279ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:1020:1004:3::10b	3600s	—	AS8075	Microsoft Corporation	2603:1000:0:0:0:0:0:0/26	🇸🇪 Sweden	—

🔐 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 2026-10-07 18:29:04

www CNAME	leisystem.dk (all on leisystem.dk) → 51.12.31.21 51.12.74.2 2603:1020:1004:3::10b (AS8075)
www vs bare domain	Same network leisystem.dk: 51.12.31.21 51.12.74.2 2603:1020:1004:3::10b (AS8075) www.leisystem.dk: 51.12.31.21 51.12.74.2 2603:1020:1004:3::10b (AS8075)
Wildcard	No

🔗 TLSA / DANE#

1 records 748ms

Service / Owner	Type	Cert association
SMTP _25._tcp.zonemx.eu	DANE-EE · SPKI · SHA-256	C13528A18B9616337DC2AB825E7B030F…

🔐 DNSSEC#

567ms

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	1
Primary NS (MNAME)	ns1-09.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 16:43:01

Field	Value
Registrar	Dynadot LLC
Registered	2024-12-18
Expires	2026-12-17 (60d)

📋 WHOIS#

⏱️ Lookup Timing#

241ms

295ms

230ms

AAAA

279ms

TXT

745ms

CAA

306ms

HTTPS

299ms

TLSA

748ms

SOA

0ms

MTA-STS

353ms

DNSSEC

567ms

SRV

333ms

Total

6614ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 18:29:04	658ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-27 20:03:03	9867ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-20 17:46:58 shown	6614ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-21 05:44:48	819ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 01:03:06	3623ms	3 NS 1 A 1 MX	⚠️ Bogus