hdbook.dk
📜 DNS record history  ·  ← Current records
📜 Record History7 scans · 14 changes
Scanned AtChanges since previous scan
2026-07-19 11:00:29 no changes
2026-06-26 18:32:13 no changes
2026-06-23 07:20:53
NS + dns1.cscdns.net + dns2.cscdns.net
A + 212.53.89.138
MX + 10 relay1.netnames.net + 20 relay2.netnames.net
TXT + v=spf1 -all
SOA + serial 2018073007
DMARC + v=DMARC1; p=reject; rua=mailto:1559aaadaeb7147@rep.dmarcanalyzer.com; adkim=s; aspf=s;
DNSSEC + insecure − indeterminate
2026-06-21 13:26:03
NS − dns1.cscdns.net − dns2.cscdns.net
A − 212.53.89.138
MX − 10 relay1.netnames.net − 20 relay2.netnames.net
TXT − v=spf1 -all
SOA − serial 2018073007
DMARC − v=DMARC1; p=reject; rua=mailto:1559aaadaeb7147@rep.dmarcanalyzer.com; adkim=s; aspf=s;
DNSSEC + indeterminate − insecure
2026-06-20 21:35:44 no changes
2026-06-19 23:15:43 no changes
2026-06-17 10:50:53 baseline 2 NS · 1 A · 2 MX · 1 TXT · serial 2018073007 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 7 scans). Click a timestamp to view that full snapshot.

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