preotec.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 27 changes
Scanned AtChanges since previous scan
2026-08-24 16:44:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBRAAgACDYnv9+PL+keWv1TnVKLsI702zL/ow2lTFJ+sEJmsd5OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBUAAgACD3l8ovAxtIO0TppJC+uNrMm/B5cB+5DcYe1jTmXy6mZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2413014959 − serial 2412904283
2026-08-23 11:36:38
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBUAAgACD3l8ovAxtIO0TppJC+uNrMm/B5cB+5DcYe1jTmXy6mZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBB3gAgACBI87mN4RkXSwFtz8PNciwKuj5yrWbaTHlWMCRivntVSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2412904283 − serial 2412155449
2026-08-15 00:37:09
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBB3gAgACBI87mN4RkXSwFtz8PNciwKuj5yrWbaTHlWMCRivntVSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBJwAgACCRob0QTMzoV14Ku+8kQza6//bW0KwRvtMXby5Cf60LXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2412155449 − serial 2408130628
2026-06-29 00:37:19
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBJwAgACCRob0QTMzoV14Ku+8kQza6//bW0KwRvtMXby5Cf60LXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBlQAgACDnSgxnRW6czUhZEVI7ZNY8PKX12iSlZ0zAgdKaepP+JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2408130628 − serial 2407791834
2026-06-25 04:44:17
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBlQAgACDnSgxnRW6czUhZEVI7ZNY8PKX12iSlZ0zAgdKaepP+JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBfQAgACDyE0q9sCdfoHtdaJIQ+/TpbBEr4803v8+L2EgfJ2aucwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2407791834 − serial 2407481500
2026-06-23 13:42:03
NS + martin.ns.cloudflare.com + rosalyn.ns.cloudflare.com
A + 104.21.17.49 + 172.67.222.79
AAAA + 2606:4700:3034::6815:1131 + 2606:4700:3034::ac43:de4f
TXT + v=spf1 mx -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBfQAgACDyE0q9sCdfoHtdaJIQ+/TpbBEr4803v8+L2EgfJ2aucwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA + serial 2407481500
DNSSEC + insecure − indeterminate
2026-06-21 09:44:48
NS − martin.ns.cloudflare.com − rosalyn.ns.cloudflare.com
A − 104.21.17.49 − 172.67.222.79
AAAA − 2606:4700:3034::6815:1131 − 2606:4700:3034::ac43:de4f
TXT − v=spf1 mx -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBNAAgACC2yOXvsCkQB1Y08Gj2Er1uGtIF9CAPSKnqtvK206xtagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f
SOA − serial 2407313704
DNSSEC + indeterminate − insecure
2026-06-19 04:47:53
AAAA + 2606:4700:3034::6815:1131 − 2606:4700:3037::6815:1131
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBNAAgACC2yOXvsCkQB1Y08Gj2Er1uGtIF9CAPSKnqtvK206xtagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f − 1 . alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBEQAgACDI4xqwwmAc0aVdhaScxMRTfCZo1/vM6WMg5h+quY5QUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:de4f,2606:4700:3037::6815:1131
SOA + serial 2407313704 − serial 2407137947
2026-06-17 12:55:04 baseline 2 NS · 2 A · 2 AAAA · 1 TXT · 1 HTTPS · serial 2407137947 · 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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