21bit.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 13 changes
Scanned AtChanges since previous scan
2026-09-04 00:50:31
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBLwAgACDlmVUwD8Cq+WE29nBlLYRha2RDsR2VrAziDRdPTa9jUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBXgAgACAshcnie6caPfd9tQHpYT4sMqSar/j2aacuO/xYdyRSBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6
2026-08-23 02:54:54
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBXgAgACAshcnie6caPfd9tQHpYT4sMqSar/j2aacuO/xYdyRSBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBrAAgACAvQe/2yNFntQmFqE9JRpDNmK4ItovIcqJ9LM87j5hiDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6
SOA + serial 2412862248 − serial 2412758291
2026-08-22 02:37:46
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBrAAgACAvQe/2yNFntQmFqE9JRpDNmK4ItovIcqJ9LM87j5hiDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBxgAgACC1mdpQ9JuKE4+VvpfwvVjfdQh8I/nh6vy8KAhtdm0vEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6
SOA + serial 2412758291 − serial 2408880044
2026-07-08 19:16:08
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBxgAgACC1mdpQ9JuKE4+VvpfwvVjfdQh8I/nh6vy8KAhtdm0vEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBNgAgACDMNyW8cD01HRJ4axeQroiQj+WzudABgt2+ORmO0cb8MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6
SOA + serial 2408880044 − serial 2403783262
2026-07-02 18:02:06
AAAA + 2606:4700:3031::ac43:b640 + 2606:4700:3033::6815:3bb6 − 2606:4700:3031::6815:3bb6 − 2606:4700:3037::ac43:b640
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBNgAgACDMNyW8cD01HRJ4axeQroiQj+WzudABgt2+ORmO0cb8MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b640,2606:4700:3033::6815:3bb6 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBKgAgACDIjZZ8c5lFDU5IzMo0uf5xMkpIjtshrETGixZHNSoUaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3bb6,2606:4700:3037::ac43:b640
DNSSEC + insecure − bogus
2026-06-20 02:28:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBKgAgACDIjZZ8c5lFDU5IzMo0uf5xMkpIjtshrETGixZHNSoUaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3bb6,2606:4700:3037::ac43:b640 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBB4wAgACAHb0StlrwaX+Qy7seG9FWNodxpxCt6cP5+1Gl67RejRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3bb6,2606:4700:3037::ac43:b640
DNSSEC + bogus − insecure
2026-06-19 16:12:55
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBB4wAgACAHb0StlrwaX+Qy7seG9FWNodxpxCt6cP5+1Gl67RejRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3bb6,2606:4700:3037::ac43:b640 − 1 . alpn="h3,h2" ipv4hint=104.21.59.182,172.67.182.64 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3bb6,2606:4700:3037::ac43:b640
2026-06-16 12:40:34 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2403783262 · 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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