cesr.dk
📜 DNS record history  ·  ← Current records
📜 Record History15 scans · 9 changes
Scanned AtChanges since previous scan
2026-07-21 22:31:06 no changes
2026-07-20 15:23:59 no changes
2026-07-19 07:20:30 no changes
2026-07-18 05:08:54 no changes
2026-07-17 04:18:44 no changes
2026-07-13 21:11:41 no changes
2026-07-11 19:21:56 no changes
2026-07-08 17:20:59 no changes
2026-07-06 23:31:47 no changes
2026-07-04 19:02:11 no changes
2026-07-02 23:57:53
NS + nonexistent.punktum.dk
2026-06-24 10:12:10 no changes
2026-06-23 07:29:36
NS − ns1.simply.com − ns2.simply.com − ns3.simply.com
A − 93.191.156.230
MX − 10 mx.simply.com
TXT − v=spf1 include:spf.simply.com -all
TLSA − _25._tcp.mx.simply.com 311 97A3BA009F39C761BFFB6574340E813854914EF3B179330823A6980AFAFB533B − _25._tcp.mx.simply.com 311 A9D603AF4D7ED6B9246B4B68500CD6F232B7E8472ED0006626952106C370DD7F
SOA − serial 2025042300
DMARC − v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
DNSSEC + indeterminate − secure
2026-06-18 21:20:22 no changes
2026-06-16 20:11:07 baseline 3 NS · 1 A · 1 MX · 1 TXT · 2 TLSA · serial 2025042300 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 15 scans). Click a timestamp to view that full snapshot.

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