course24.dk
📜 DNS record history  ·  ← Current records
📜 Record History13 scans · 20 changes
Scanned AtChanges since previous scan
2026-09-03 15:13:06
SOA + serial 2026090301 − serial 2026082701
2026-08-27 19:26:19
SOA + serial 2026082701 − serial 2026082001
2026-08-20 04:25:01
SOA + serial 2026082001 − serial 2026081301
2026-08-13 05:41:25
SOA + serial 2026081301 − serial 2026080601
2026-08-06 16:23:49
SOA + serial 2026080601 − serial 2026073001
2026-08-03 01:26:47
SOA + serial 2026073001 − serial 2026072301
2026-07-23 09:23:31
SOA + serial 2026072301 − serial 2026071601
2026-07-16 20:30:21
SOA + serial 2026071601 − serial 2026070901
2026-07-09 05:59:13
SOA + serial 2026070901 − serial 2026070201
2026-07-03 11:20:27
SOA + serial 2026070201 − serial 2026062501
2026-06-25 23:32:46
NS + ns03.2is.nl + ns04.2is.be + ns05.2is.nl
TXT + v=spf1 include:spf.spamservice.nl mx a ~all
SOA + serial 2026062501
DMARC + v=DMARC1; p=none;
DNSSEC + insecure − indeterminate
2026-06-24 01:54:16
NS − ns03.2is.nl − ns04.2is.be − ns05.2is.nl
TXT − v=spf1 include:spf.spamservice.nl mx a ~all
SOA − serial 2026061101
DMARC − v=DMARC1; p=none;
DNSSEC + indeterminate − insecure
2026-06-16 22:36:29 baseline 3 NS · 1 TXT · serial 2026061101 · DMARC · DNSSEC insecure

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