ostergaard-entreprise.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 19 changes
Scanned AtChanges since previous scan
2026-08-07 23:58:34
MX + 10 mx1-dk.centerasecurity.dk + 10 mx2-dk.centerasecurity.dk + 20 mx3-dk.centerasecurity.dk − 0 ostergaardentreprise-dk02e.mail.protection.outlook.com
TXT + centera-verification=97966944a36cff3c1b1c8369c007b8c1d136ac75
TLSA + _25._tcp.mx1-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9 + _25._tcp.mx1-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx2-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx2-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9 + _25._tcp.mx3-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx3-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9
SOA + serial 2026080611 − serial 2026061000
DMARC − v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ost-e.dk;
2026-08-05 23:09:38
NS + ns1.simply.com + ns2.simply.com + ns3.simply.com − nonexistent.punktum.dk
A + 152.115.50.2
MX + 0 ostergaardentreprise-dk02e.mail.protection.outlook.com
TXT + MS=ms11519937 + v=spf1 include:spf.protection.outlook.com include:spf.stom.dk -all
SOA + serial 2026061000
DMARC + v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ost-e.dk;
DNSSEC + secure − indeterminate
2026-08-01 17:03:03
NS + nonexistent.punktum.dk − ns1.simply.com − ns2.simply.com − ns3.simply.com
A − 152.115.50.2
MX − 0 ostergaardentreprise-dk02e.mail.protection.outlook.com
TXT − MS=ms11519937 − v=spf1 include:spf.protection.outlook.com include:spf.stom.dk -all
SOA − serial 2026061000
DMARC − v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ost-e.dk;
DNSSEC + indeterminate − secure
2026-06-17 12:13:08 baseline 3 NS · 1 A · 1 MX · 2 TXT · serial 2026061000 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 4 scans). Click a timestamp to view that full snapshot.

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