arp-nielsen.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 5 changes
Scanned AtChanges since previous scan
2026-07-23 15:45:35
SOA + serial 2026072203 − serial 2026072202
DMARC + v=DMARC1; p=quarantine; rua=mailto:dmarc@simson-it.dk; ruf=mailto:dmarc@simson-it.dk; fo=1
2026-07-22 13:45:16
SOA + serial 2026072202 − serial 2025042300
2026-06-30 22:01:47
TLSA + _25._tcp.eu-esec-01.heimdalsecurity.com 311 2E8933DD6DB99304A5A9D5C4ECDE7B8E8302E23C9F79B0292C58EBC31F3F8B67
2026-06-25 08:43:22
TLSA − _25._tcp.eu-esec-01.heimdalsecurity.com 311 2E8933DD6DB99304A5A9D5C4ECDE7B8E8302E23C9F79B0292C58EBC31F3F8B67
2026-06-20 18:24:20 no changes
2026-06-16 13:41:27 baseline 4 NS · 1 A · 2 MX · 2 TXT · 2 TLSA · serial 2025042300 · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 6 scans). Click a timestamp to view that full snapshot.

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