btk-tennis.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 15 changes
Scanned AtChanges since previous scan
2026-09-08 02:04:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBfAAgACCYYUXYY9DGLgQ4ZZzQu0EcOBpDvCoM/tOGvmqGcQlUPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBJAAgACCgJsp1PyUgRagXBDtA/AIREEggoQoisT4ZAfNS7dWLBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca
SOA + serial 2414051451 − serial 2413534124
2026-08-31 01:23:03
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBJAAgACCgJsp1PyUgRagXBDtA/AIREEggoQoisT4ZAfNS7dWLBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBPgAgACD0Qno7dxsZ9Kr4EJT0jm8NWZI6R/SbYtGCyMjeUPF+SAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca
SOA + serial 2413534124 − serial 2412795680
2026-08-22 07:34:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBPgAgACD0Qno7dxsZ9Kr4EJT0jm8NWZI6R/SbYtGCyMjeUPF+SAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBB1QAgACAHWfpceOUO3a/nk4upe22w0tvp/W7WeNeFNc6/rY7WNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca
SOA + serial 2412795680 − serial 2412400260
2026-08-18 03:38:59
AAAA + 2606:4700:3031::6815:3d27 − 2606:4700:3037::6815:3d27
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBB1QAgACAHWfpceOUO3a/nk4upe22w0tvp/W7WeNeFNc6/rY7WNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBdAAgACDyZFuC9L8qn5W2jiFPtcvgJsVv24QiiFign+rgLIdMUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27
SOA + serial 2412400260 − serial 2408057801
2026-06-28 04:47:04
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBdAAgACDyZFuC9L8qn5W2jiFPtcvgJsVv24QiiFign+rgLIdMUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27 − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBVwAgACA8N2H3yOU9l7XFucLI5uf9IEWxe477AzcWCe7EoHsDLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27
SOA + serial 2408057801 − serial 2407689969
2026-06-26 01:58:34
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBVwAgACA8N2H3yOU9l7XFucLI5uf9IEWxe477AzcWCe7EoHsDLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27 − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27
SOA + serial 2407689969 − serial 2407453729
2026-06-21 07:12:43
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27 − 1 . alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBB6gAgACBAk7biNGguDhfElDNDlBhA4bndbZdx+H8iOS6FUr6nJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cdca,2606:4700:3037::6815:3d27
SOA + serial 2407453729 − serial 2406960601
2026-06-16 17:38:48 no changes
2026-06-16 17:36:19 no changes
2026-06-16 17:30:08 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 1 HTTPS · serial 2406960601 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 10 scans). Click a timestamp to view that full snapshot.

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