mailcore.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 32 changes
Scanned AtChanges since previous scan
2026-08-29 00:22:41
SOA + serial 2026082803 − serial 2026070603
2026-08-25 11:22:27
DNSSEC + insecure − indeterminate
2026-07-09 02:08:52
SOA + serial 2026070603 − serial 2026042203
DNSSEC + indeterminate − insecure
2026-07-02 12:55:52 no changes
2026-06-26 08:59:49
NS + helium.ns.hetzner.de + hydrogen.ns.hetzner.com + oxygen.ns.hetzner.com
A + 78.31.252.23
MX + 10 smtp.mailpro.dk
TXT + v=spf1 a mx ip4:78.31.252.23 -all
SOA + serial 2026042203
DMARC + v=DMARC1; p=quarantine; rua=mailto:postmaster@mailpro.dk
DNSSEC + insecure − indeterminate
2026-06-24 01:05:33
NS − helium.ns.hetzner.de − hydrogen.ns.hetzner.com − oxygen.ns.hetzner.com
A − 78.31.252.23
MX − 10 smtp.mailpro.dk
TXT − v=spf1 a mx ip4:78.31.252.23 -all
SOA − serial 2026042203
DMARC − v=DMARC1; p=quarantine; rua=mailto:postmaster@mailpro.dk
DNSSEC + indeterminate − insecure
2026-06-21 17:05:29
NS + helium.ns.hetzner.de + hydrogen.ns.hetzner.com + oxygen.ns.hetzner.com
A + 78.31.252.23
MX + 10 smtp.mailpro.dk
TXT + v=spf1 a mx ip4:78.31.252.23 -all
SOA + serial 2026042203
DMARC + v=DMARC1; p=quarantine; rua=mailto:postmaster@mailpro.dk
DNSSEC + insecure − indeterminate
2026-06-21 16:06:29
NS − helium.ns.hetzner.de − hydrogen.ns.hetzner.com − oxygen.ns.hetzner.com
A − 78.31.252.23
MX − 10 smtp.mailpro.dk
TXT − v=spf1 a mx ip4:78.31.252.23 -all
SOA − serial 2026042203
DMARC − v=DMARC1; p=quarantine; rua=mailto:postmaster@mailpro.dk
DNSSEC + indeterminate − insecure
2026-06-17 18:19:26 baseline 3 NS · 1 A · 1 MX · 1 TXT · serial 2026042203 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 9 scans). Click a timestamp to view that full snapshot.

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