syc.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 15 changes
Scanned AtChanges since previous scan
2026-09-01 01:36:30
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBvAAgACDbcRsueUOUzqLL6O4KsNVVhOdqEDJ1qmUwE57t8WDkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce
2026-08-28 00:55:38
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBhgAgACD3kTKr4mmhdmqt93xaex5UtQANHHI70Pr93iCzaPMBDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce
2026-08-26 04:21:58
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBhgAgACD3kTKr4mmhdmqt93xaex5UtQANHHI70Pr93iCzaPMBDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBzQAgACDfXeqy9qjZ902etlEUoA9mosJwByrwfCUZaJ0n/9+ZXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce
SOA + serial 2413165578 − serial 2411770534
2026-08-09 23:22:13
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBzQAgACDfXeqy9qjZ902etlEUoA9mosJwByrwfCUZaJ0n/9+ZXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBFgAgACAHLebld4IUA+gNDxH8mXA4AAKUnLTf/3QyY04Sn3LacAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce
SOA + serial 2411770534 − serial 2408062712
2026-06-27 22:17:41
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBFgAgACAHLebld4IUA+gNDxH8mXA4AAKUnLTf/3QyY04Sn3LacAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBeQAgACBsqb0CQwEsRQBs2VcbiVLeik+/crp3XgJk0BFBCmqXGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce
SOA + serial 2408062712 − serial 2407621991
2026-06-27 02:08:03
A + 104.21.91.131 + 172.67.219.206 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3032::6815:5b83 + 2606:4700:3037::ac43:dbce − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBeQAgACBsqb0CQwEsRQBs2VcbiVLeik+/crp3XgJk0BFBCmqXGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB4wAgACAHb0StlrwaX+Qy7seG9FWNodxpxCt6cP5+1Gl67RejRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2407621991 − serial 2406668481
2026-06-19 15:33:12
A + 188.114.96.1 + 188.114.97.1 − 104.21.91.131 − 172.67.219.206
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3035::6815:5b83 − 2606:4700:3037::ac43:dbce
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB4wAgACAHb0StlrwaX+Qy7seG9FWNodxpxCt6cP5+1Gl67RejRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBB+gAgACDXo7/7SbY1FdAaP7bfge0cVMs2IPJyyK+rgWhh7CQ0awAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5b83,2606:4700:3037::ac43:dbce
2026-06-17 23:53:23 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406668481 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 8 scans). Click a timestamp to view that full snapshot.

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