opensystems.dk

📜 Historical scan 2026-07-03 12:46:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opensystems.dk is a .dk domain served by 3 nameservers (ns1.dnsatconviator.com, ns2.dnsatconviator.com, ns3.dnsatconviator.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.37.114.45 is hosted by OVH SAS (AS16276) in France. Mail is handled by mail.opensystems.dk. The zone is not DNSSEC-signed, publishes a 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 283ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsatconviator.com	185.106.119.62	ns1.dnsatconviator.com	AS201926 VK DATA ApS
ns2.dnsatconviator.com	185.106.119.63	ns2.dnsatconviator.com	AS201926 VK DATA ApS
ns3.dnsatconviator.com	185.106.119.64	ns3.dnsatconviator.com	AS201926 VK DATA ApS

🌍 A Records#

1 records 334ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.37.114.45	3600s	web01.conviator.com	AS16276	OVH SAS	54.36.0.0/14	🇫🇷 France	—

📧 MX Records#

1 records 187ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.opensystems.dk	54.37.114.45	web01.conviator.com	AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 798ms

TXT Record
v=spf1 +a +mx +ip4:54.37.114.45 ~all

✉️ SPF#

Policy	Record (opensystems.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:54.37.114.45 ~all

📨 DMARC#

Policy	Record (_dmarc.opensystems.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 10:28:22

www CNAME	opensystems.dk (all on opensystems.dk) → 54.37.114.45 (AS16276)
www vs bare domain	Same network opensystems.dk: 54.37.114.45 (AS16276) www.opensystems.dk: 54.37.114.45 (AS16276)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

457ms

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	2026070301
Primary NS (MNAME)	ns1.dnsatconviator.com
Responsible (RNAME)	hostmaster@vkdata.dk
Refresh	3600s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

283ms

334ms

187ms

AAAA

270ms

TXT

798ms

CAA

292ms

HTTPS

382ms

TLSA

234ms

SOA

0ms

MTA-STS

409ms

DNSSEC

457ms

SRV

410ms

Total

2952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 01:42:22	868ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 22:50:34	9544ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 01:33:48	1230ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-03 17:38:35	1470ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-03 12:46:10 shown	2952ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 21:43:05	2532ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 00:01:29	1185ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:25:26	2133ms	3 NS 1 A 1 MX	🔓 Insecure