opensystems.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 15 changes
Scanned AtChanges since previous scan
2026-07-03 12:46:10
SOA + serial 2026070301 − serial 2026053004
2026-06-23 21:43:05
NS + ns1.dnsatconviator.com + ns2.dnsatconviator.com + ns3.dnsatconviator.com
A + 54.37.114.45
MX + 0 mail.opensystems.dk
TXT + v=spf1 +a +mx +ip4:54.37.114.45 ~all
SOA + serial 2026053004
DMARC + v=DMARC1; p=none;
DNSSEC + insecure − indeterminate
2026-06-22 00:01:29
NS − ns1.dnsatconviator.com − ns2.dnsatconviator.com − ns3.dnsatconviator.com
A − 54.37.114.45
MX − 0 mail.opensystems.dk
TXT − v=spf1 +a +mx +ip4:54.37.114.45 ~all
SOA − serial 2026053004
DMARC − v=DMARC1; p=none;
DNSSEC + indeterminate − insecure
2026-06-17 14:25:26 baseline 3 NS · 1 A · 1 MX · 1 TXT · serial 2026053004 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 4 scans). Click a timestamp to view that full snapshot.

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