marchforscience.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 18 changes
Scanned AtChanges since previous scan
2026-08-27 14:40:48
HTTPS + 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ccb,2606:4700:3037::ac43:9390 − 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBBbQAgACBvOx6kwSqzCH+bvZvf7IAbE+b9C7ZXZbaoOdXAfP02YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ccb,2606:4700:3037::ac43:9390
2026-08-16 02:02:24
HTTPS + 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBBbQAgACBvOx6kwSqzCH+bvZvf7IAbE+b9C7ZXZbaoOdXAfP02YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ccb,2606:4700:3037::ac43:9390 − 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBB1QAgACB8h8fO5tUPCR1AdpUqIWdMrFuij3PKggjw1C3A4JaJFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ccb,2606:4700:3037::ac43:9390
SOA + serial 2412311804 − serial 2411094615
2026-08-02 21:43:08
AAAA + 2606:4700:3035::6815:1ccb + 2606:4700:3037::ac43:9390 − 2606:4700:3031::6815:1ccb − 2606:4700:3034::ac43:9390
HTTPS + 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBB1QAgACB8h8fO5tUPCR1AdpUqIWdMrFuij3PKggjw1C3A4JaJFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ccb,2606:4700:3037::ac43:9390 − 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBByAAgACDC2aT/WRvnJ7DyBzOPio0cO7jeBfJoyBX3GMA+Ns0fHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1ccb,2606:4700:3034::ac43:9390
SOA + serial 2411094615 − serial 2406696661
2026-06-22 20:39:23
NS + blakely.ns.cloudflare.com + lennox.ns.cloudflare.com
A + 104.21.28.203 + 172.67.147.144
AAAA + 2606:4700:3031::6815:1ccb + 2606:4700:3034::ac43:9390
HTTPS + 1 . alpn="h2" ipv4hint=104.21.28.203,172.67.147.144 ech=AEX+DQBByAAgACDC2aT/WRvnJ7DyBzOPio0cO7jeBfJoyBX3GMA+Ns0fHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1ccb,2606:4700:3034::ac43:9390
SOA + serial 2406696661
DNSSEC + insecure − indeterminate
2026-06-22 02:09:46
NS − blakely.ns.cloudflare.com − lennox.ns.cloudflare.com
A − 104.21.28.203 − 172.67.147.144
AAAA − 2606:4700:3031::6815:1ccb − 2606:4700:3034::ac43:9390
HTTPS − 1 . alpn="h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBXgAgACBYdqEg9t+ceUEOewqh+wmq9pQHyffrmdwg5FCZq2THbwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA − serial 2406696661
DNSSEC + indeterminate − insecure
2026-06-18 07:55:10 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406696661 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 6 scans). Click a timestamp to view that full snapshot.

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