trecon.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 12 changes
Scanned AtChanges since previous scan
2026-08-26 09:34:48 no changes
2026-06-23 18:10:34
NS + ns1.onwelcom.dk + ns2.onwelcom.dk
A + 185.51.79.250
MX + 10 mailfilter.onwelcom.dk + 20 mx2.onwelcom.dk
TXT + v=spf1 a mx ip4:185.51.79.241 mx:mail.onwelcom.dk -all
SOA + serial 2016021201
DNSSEC + insecure − indeterminate
2026-06-22 01:16:13
NS − ns1.onwelcom.dk − ns2.onwelcom.dk
A − 185.51.79.250
MX − 10 mailfilter.onwelcom.dk − 20 mx2.onwelcom.dk
TXT − v=spf1 a mx ip4:185.51.79.241 mx:mail.onwelcom.dk -all
SOA − serial 2016021201
DNSSEC + indeterminate − insecure
2026-06-17 15:31:45 baseline 2 NS · 1 A · 2 MX · 1 TXT · serial 2016021201 · 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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