foerstehjaelpskursus-koebenhavn.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 15 changes
Scanned AtChanges since previous scan
2026-09-03 23:34:57
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBlAAgACA3tZJLxbpnq0I1FEVWWR+QjKFBAX1JNhvL648IBHgSYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBB6AAgACDpnUx7tqw+BbPVVlHpD7WfMUorhCCLsWaF4xb4UbwREAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
SOA + serial 2413670702 − serial 2413540834
2026-08-30 23:36:09
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBB6AAgACDpnUx7tqw+BbPVVlHpD7WfMUorhCCLsWaF4xb4UbwREAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBB3AAgACCjGdSZQoISHFcxnJdF7/qSWC/lNO8x8b69O3XMmzvvbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
SOA + serial 2413540834 − serial 2413502541
2026-08-29 23:00:42
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBB3AAgACCjGdSZQoISHFcxnJdF7/qSWC/lNO8x8b69O3XMmzvvbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
SOA + serial 2413502541 − serial 2408389534
2026-08-28 04:23:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBgQAgACAdjtE1VrAOLbYaSgoF8u1fUPRl2Y872Z+xGzQfRJa6DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
2026-07-05 04:51:55
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBgQAgACAdjtE1VrAOLbYaSgoF8u1fUPRl2Y872Z+xGzQfRJa6DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBKAAgACCwWWR6iTU4ou8pbJAUNmdx8dFgmnRqLDdceXghpiYkQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
SOA + serial 2408389534 − serial 2403977739
2026-07-04 04:51:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBKAAgACCwWWR6iTU4ou8pbJAUNmdx8dFgmnRqLDdceXghpiYkQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBsQAgACDb2SY7hJsmU9G00UGvyVGktf4Ai4xbxNJJsP0I0o7nGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07
SOA + serial 2403977739 − serial 2408389534
2026-07-01 21:27:40
AAAA + 2606:4700:3033::6815:5675 + 2606:4700:3034::ac43:db07 − 2606:4700:3034::6815:5675 − 2606:4700:3035::ac43:db07
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBsQAgACDb2SY7hJsmU9G00UGvyVGktf4Ai4xbxNJJsP0I0o7nGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5675,2606:4700:3034::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBZQAgACBgX06R7VXzTrhlX20RSCwQuRsLtH0eqJzw+edveFSMfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5675,2606:4700:3035::ac43:db07
SOA + serial 2408389534 − serial 2403977739
2026-06-20 10:09:38
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBZQAgACBgX06R7VXzTrhlX20RSCwQuRsLtH0eqJzw+edveFSMfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5675,2606:4700:3035::ac43:db07 − 1 . alpn="h3,h2" ipv4hint=104.21.86.117,172.67.219.7 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5675,2606:4700:3035::ac43:db07
2026-06-17 10:03:29 baseline 2 NS · 2 A · 2 AAAA · 1 TXT · 1 HTTPS · serial 2403977739 · DMARC · 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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